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Weather Forecast for Grand-Santi (Saint-Laurent-du-Maroni, French Guiana)
View weather forecasts for other places in French Guiana
Forecast Overview
Wed Mar 5 90°F 68°F 32°C 20°C Chance of rain in the morning and in the afternoon.
detailsThu Mar 6 86°F 70°F 30°C 21°C Chance of rain most of the day.
detailsFri Mar 7 84°F 72°F 29°C 22°C Chance of rain at various times of the day.
detailsSat Mar 8 90°F 72°F 32°C 22°C Chance of rain until 6 pm.
detailsSun Mar 9 90°F 70°F 32°C 21°C Chance of rain in the morning and in the afternoon.
detailsMon Mar 10 79°F 70°F 26°C 21°C Chance of rain all day.
detailsTue Mar 11 75°F 68°F 24°C 20°C Chance of rain all day.
detailsWed Mar 12 77°F 68°F 25°C 20°C Chance of rain at various times.
detailsThu Mar 13 79°F 70°F 26°C 21°C Chance of rain until 3 pm.
details
Detailed Forecast
Tuesday, March 4 | sunrise: 06:48 sunset: 18:50 |
![]() | Chance of light rain in the morning (between 9 am and 12 pm). Estimated precipitation: 0.02 in (0.4375 mm). More sun than clouds. Wind: 3 mph (4 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
18:00 21:00 | ![]() | Partly cloudy. Precipitation: 0.02 in (0.4375 mm). | 72°F (22°C) | 3 mph (4 km/h) | 97% | 0.28% |
21:00 00:00 | ![]() | Times of clear skies and clouds. | 70°F (21°C) | 3 mph (4 km/h) | 99% | 0.28% |

Wednesday, March 5 | sunrise: 06:47 sunset: 18:50 |
![]() | Low around 69°F (20°C), high around 90°F (32°C). Chance of rain in the morning and early afternoon (between 9 am and 3 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.29 in (7.4375 mm). Considerable cloudiness. Wind: 4 mph (7 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Partly cloudy. | 69°F (21°C) | 2 mph (4 km/h) | 100% | 0.281% |
03:00 06:00 | ![]() | Partly cloudy. | 69°F (20°C) | 2 mph (3 km/h) | 100% | 0.281% |
06:00 09:00 | ![]() | More clouds than sun. | 75°F (24°C) | 4 mph (6 km/h) | 87% | 0.281% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.02 in (0.4375 mm). | 85°F (29°C) | 4 mph (7 km/h) | 60% | 0.278% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.04 in (1.0625 mm). | 80°F (27°C) | 4 mph (6 km/h) | 80% | 0.277% |
15:00 18:00 | ![]() | Sunny. Precipitation: 0.1 in (2.625 mm). | 78°F (25°C) | 4 mph (6 km/h) | 90% | 0.287% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.13 in (3.25 mm). | 72°F (22°C) | 3 mph (4 km/h) | 99% | 0.316% |
21:00 00:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 71°F (22°C) | 2 mph (4 km/h) | 99% | 0.316% |

Thursday, March 6 | sunrise: 06:47 sunset: 18:50 |
![]() | Low around 71°F (21°C), high around 87°F (30°C). Chance of rain during the morning (between 6 am and 12 pm) and again during late afternoon and evening (between 3 pm and 9 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.64 in (16.1875 mm). Overcast skies. Wind: 3 mph (5 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 71°F (22°C) | 2 mph (3 km/h) | 99% | 0.316% |
03:00 06:00 | ![]() | Overcast. | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.316% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 72°F (22°C) | 2 mph (3 km/h) | 98% | 0.315% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 79°F (26°C) | 0 mph (1 km/h) | 82% | 0.314% |
12:00 15:00 | ![]() | Overcast. Precipitation: 0.13 in (3.3125 mm). | 80°F (27°C) | 2 mph (4 km/h) | 87% | 0.32% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.24 in (6 mm). | 76°F (24°C) | 2 mph (4 km/h) | 96% | 0.35% |
18:00 21:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.21 in (5.375 mm). | 73°F (23°C) | 3 mph (5 km/h) | 98% | 0.377% |
21:00 00:00 | ![]() | Overcast. Precipitation: 0.04 in (1 mm). | 72°F (22°C) | 3 mph (5 km/h) | 99% | 0.366% |

Friday, March 7 | sunrise: 06:47 sunset: 18:50 |
![]() | Low around 71°F (22°C), high around 85°F (29°C). Chance of rain early in the morning (between 6 am and 9 am) and late in the afternoon (between 3 pm and 9 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.37 in (9.3125 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (3 km/h) | 100% | 0.358% |
03:00 06:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 71°F (22°C) | 2 mph (3 km/h) | 100% | 0.354% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 75°F (24°C) | 3 mph (5 km/h) | 94% | 0.35% |
09:00 12:00 | ![]() | Considerable cloudiness. Precipitation: 0.03 in (0.875 mm). | 82°F (28°C) | 5 mph (8 km/h) | 70% | 0.348% |
12:00 15:00 | ![]() | Overcast. | 81°F (27°C) | 4 mph (7 km/h) | 69% | 0.339% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.12 in (2.9375 mm). | 74°F (24°C) | 3 mph (4 km/h) | 98% | 0.355% |
18:00 21:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.16 in (3.9375 mm). | 73°F (23°C) | 3 mph (4 km/h) | 98% | 0.382% |
21:00 00:00 | ![]() | Mostly cloudy. Precipitation: 0.05 in (1.3125 mm). | 72°F (22°C) | 2 mph (4 km/h) | 100% | 0.378% |

Saturday, March 8 | sunrise: 06:46 sunset: 18:50 |
![]() | Low around 71°F (22°C), high around 89°F (32°C). Chance of rain until 6 pm. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.35 in (8.8125 mm). Mostly cloudy skies. Wind: 4 mph (7 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 72°F (22°C) | 2 mph (3 km/h) | 100% | 0.369% |
03:00 06:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 71°F (22°C) | 2 mph (3 km/h) | 100% | 0.365% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 74°F (23°C) | 4 mph (6 km/h) | 97% | 0.361% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 85°F (29°C) | 4 mph (7 km/h) | 61% | 0.354% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.05 in (1.25 mm). | 80°F (27°C) | 4 mph (6 km/h) | 86% | 0.348% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.12 in (3.0625 mm). | 78°F (26°C) | 2 mph (3 km/h) | 94% | 0.36% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.15 in (3.6875 mm). | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.38% |
21:00 00:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.372% |

Sunday, March 9 | sunrise: 06:46 sunset: 18:50 |
![]() | Low around 70°F (21°C), high around 90°F (32°C). Chance of rain in the morning (between 9 am and 12 pm) and late in the afternoon (between 3 pm and 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.13 in (3.25 mm). Mostly cloudy skies. Wind: 7 mph (11 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 71°F (21°C) | 2 mph (3 km/h) | 100% | 0.366% |
03:00 06:00 | ![]() | Mostly cloudy. | 70°F (21°C) | 2 mph (3 km/h) | 100% | 0.363% |
06:00 09:00 | ![]() | Partly cloudy. | 75°F (24°C) | 3 mph (5 km/h) | 93% | 0.36% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 87°F (31°C) | 4 mph (6 km/h) | 54% | 0.353% |
12:00 15:00 | ![]() | Overcast. Precipitation: 0.02 in (0.5625 mm). | 84°F (29°C) | 7 mph (11 km/h) | 70% | 0.343% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.06 in (1.625 mm). | 77°F (25°C) | 4 mph (6 km/h) | 94% | 0.344% |
18:00 21:00 | ![]() | Mostly cloudy. Precipitation: 0.03 in (0.8125 mm). | 72°F (22°C) | 3 mph (4 km/h) | 99% | 0.349% |
21:00 00:00 | ![]() | Overcast. | 71°F (22°C) | 2 mph (3 km/h) | 99% | 0.349% |

Monday, March 10 | sunrise: 06:46 sunset: 18:50 |
![]() | Low around 70°F (21°C), high around 79°F (26°C). Chance of rain most of the day (from 6 am to 9 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.7 in (17.8125 mm). Overcast skies. Wind: 3 mph (5 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 70°F (21°C) | 1 mph (2 km/h) | 100% | 0.349% |
03:00 06:00 | ![]() | Overcast. | 70°F (21°C) | 1 mph (2 km/h) | 100% | 0.349% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 75°F (24°C) | 2 mph (4 km/h) | 94% | 0.348% |
09:00 12:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.11 in (2.6875 mm). | 78°F (26°C) | 3 mph (4 km/h) | 90% | 0.353% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.2 in (5.0625 mm). | 79°F (26°C) | 3 mph (5 km/h) | 92% | 0.37% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.22 in (5.625 mm). | 76°F (24°C) | 3 mph (4 km/h) | 97% | 0.391% |
18:00 21:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.15 in (3.875 mm). | 72°F (22°C) | 3 mph (5 km/h) | 98% | 0.393% |
21:00 00:00 | ![]() | Overcast. Precipitation: 0.01 in (0.375 mm). | 72°F (22°C) | 3 mph (4 km/h) | 99% | 0.38% |

Tuesday, March 11 | sunrise: 06:45 sunset: 18:50 |
![]() | Low around 68°F (20°C), high around 76°F (24°C). Chance of rain all day. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.73 in (18.4375 mm). Overcast skies. Wind: 3 mph (4 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.05 in (1.25 mm). | 71°F (22°C) | 2 mph (3 km/h) | 100% | 0.384% |
03:00 06:00 | ![]() | Overcast. Precipitation: 0.06 in (1.4375 mm). | 71°F (22°C) | 2 mph (3 km/h) | 99% | 0.381% |
06:00 09:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.05 in (1.375 mm). | 74°F (23°C) | 2 mph (3 km/h) | 97% | 0.384% |
09:00 12:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.15 in (3.75 mm). | 75°F (24°C) | 1 mph (2 km/h) | 96% | 0.39% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.15 in (3.75 mm). | 73°F (23°C) | 3 mph (4 km/h) | 98% | 0.398% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.04 in (1.125 mm). | 71°F (22°C) | 2 mph (4 km/h) | 99% | 0.392% |
18:00 21:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 69°F (21°C) | 2 mph (3 km/h) | 99% | 0.385% |
21:00 00:00 | ![]() | Chance of rain. Precipitation: 0.22 in (5.5 mm). | 68°F (20°C) | 1 mph (2 km/h) | 100% | 0.408% |

Wednesday, March 12 | sunrise: 06:45 sunset: 18:49 |
![]() | Low around 67°F (20°C), high around 76°F (25°C). Chance of rain between midnight and 3 am and again in the evening and during the night (after 6 pm). Estimated precipitation: 0.1 in (2.625 mm). Overcast skies. Wind: 2 mph (4 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of rain. Precipitation: 0.07 in (1.75 mm). | 68°F (20°C) | 1 mph (2 km/h) | 100% | 0.398% |
03:00 06:00 | ![]() | Overcast. Precipitation: 0.01 in (0.1875 mm). | 67°F (20°C) | 1 mph (1 km/h) | 100% | 0.39% |
06:00 09:00 | ![]() | Overcast. | 68°F (20°C) | 0 mph (1 km/h) | 99% | 0.385% |
09:00 12:00 | ![]() | Overcast. | 73°F (23°C) | 1 mph (2 km/h) | 91% | 0.381% |
12:00 15:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 75°F (24°C) | 2 mph (3 km/h) | 82% | 0.377% |
15:00 18:00 | ![]() | Overcast. | 73°F (23°C) | 1 mph (2 km/h) | 91% | 0.374% |
18:00 21:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 71°F (22°C) | 2 mph (4 km/h) | 99% | 0.373% |
21:00 00:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 69°F (21°C) | 2 mph (3 km/h) | 100% | 0.374% |

Thursday, March 13 | sunrise: 06:45 sunset: 18:49 |
![]() | Low around 69°F (21°C), high around 80°F (26°C). Chance of rain until late afternoon (3 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.17 in (4.375 mm). Mostly cloudy skies. Wind: 4 mph (7 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 70°F (21°C) | 1 mph (2 km/h) | 100% | 0.373% |
03:00 06:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 70°F (21°C) | 1 mph (2 km/h) | 100% | 0.372% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 72°F (22°C) | 2 mph (4 km/h) | 98% | 0.37% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 75°F (24°C) | 2 mph (3 km/h) | 92% | 0.368% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.06 in (1.625 mm). | 78°F (26°C) | 4 mph (7 km/h) | 87% | 0.368% |
15:00 18:00 | ![]() | Overcast. Precipitation: 0.08 in (1.9375 mm). | 75°F (24°C) | 4 mph (7 km/h) | 95% | 0.374% |
18:00 21:00 | ![]() | Overcast. | 70°F (21°C) | 2 mph (3 km/h) | 99% | 0.371% |
21:00 00:00 | ![]() | Mostly cloudy. | 70°F (21°C) | 2 mph (3 km/h) | 99% | 0.369% |

Grand-Santi (latitude 04°15'N, longitude 054°23'W)
Local Time:
Grand-Santi is in the "America/Cayenne" timezone.
The "America/Cayenne" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 1 October 1967, 01:00 AM local time). During ST, the offset to Universal Time (UTC, GMT or Zulu) is -3:00 hours.
Grand-Santi will exit standard time (entering DST) on Tuesday, 19 January 2038, at 00:14 AM local time, when clocks will be turned forward 0 hour to Tuesday, 19 January 2038, 00:14 AM local daylight time. During DST, the offset to UTC will be -3:00 hours.
Forecasts for Other Places in French Guiana:
See also:
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