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Weather Forecast for Roundup (Montana)
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Forecast Overview
Fri Sep 20 
72°F 55°F 22°C 13°C More sun than clouds.
detailsSat Sep 21 
75°F 52°F 24°C 11°C Considerable cloudiness.
detailsSun Sep 22 61°F 46°F 16°C 8°C More sun than clouds.
detailsMon Sep 23 73°F 48°F 23°C 9°C More sun than clouds.
detailsTue Sep 24 
66°F 54°F 19°C 12°C Mostly cloudy skies.
detailsWed Sep 25 
75°F 52°F 24°C 11°C Sunny skies.
detailsThu Sep 26 88°F 59°F 31°C 15°C Sunny skies.
detailsFri Sep 27 77°F 57°F 25°C 14°C Sunny skies.
detailsSat Sep 28 75°F 50°F 24°C 10°C Sunny skies.
details
Detailed Forecast
| Friday, September 20 | sunrise: 06:58 sunset: 19:16 |
| Low around 55°F (13°C), high around 72°F (22°C). More sun than clouds. Wind: 19 mph (31 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Partly cloudy. | 58°F (14°C) | 19 mph (31 km/h) | 64% | 0.276% |
| 03:00 06:00 | | A few passing clouds. | 56°F (13°C) | 16 mph (26 km/h) | 66% | 0.271% |
| 06:00 09:00 | | Partly cloudy. | 59°F (15°C) | 13 mph (21 km/h) | 61% | 0.266% |
| 09:00 12:00 | | Sunny. | 68°F (20°C) | 13 mph (21 km/h) | 41% | 0.26% |
| 12:00 15:00 | | Partly cloudy. | 69°F (21°C) | 15 mph (23 km/h) | 36% | 0.253% |
| 15:00 18:00 | | Sunny. | 70°F (21°C) | 8 mph (13 km/h) | 37% | 0.248% |
| 18:00 21:00 | | Partly cloudy. | 62°F (17°C) | 7 mph (11 km/h) | 49% | 0.247% |
| 21:00 00:00 | | Overcast. | 61°F (16°C) | 6 mph (10 km/h) | 46% | 0.246% |
| Saturday, September 21 | sunrise: 06:59 sunset: 19:14 |
| Low around 52°F (11°C), high around 75°F (24°C). Considerable cloudiness. Wind: 20 mph (33 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 59°F (15°C) | 8 mph (14 km/h) | 49% | 0.245% |
| 03:00 06:00 | | Clear. | 57°F (14°C) | 10 mph (16 km/h) | 53% | 0.244% |
| 06:00 09:00 | | Overcast. | 61°F (16°C) | 11 mph (18 km/h) | 48% | 0.242% |
| 09:00 12:00 | | Overcast. | 70°F (21°C) | 14 mph (22 km/h) | 37% | 0.238% |
| 12:00 15:00 | | Times of sun and clouds. | 75°F (24°C) | 20 mph (33 km/h) | 23% | 0.232% |
| 15:00 18:00 | | Overcast. | 63°F (17°C) | 18 mph (28 km/h) | 49% | 0.228% |
| 18:00 21:00 | | Overcast. | 56°F (14°C) | 17 mph (27 km/h) | 59% | 0.227% |
| 21:00 00:00 | | Clear. | 52°F (11°C) | 14 mph (22 km/h) | 63% | 0.226% |
| Sunday, September 22 | sunrise: 07:00 sunset: 19:12 |
| Low around 46°F (8°C), high around 61°F (16°C). More sun than clouds. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Considerable cloudiness. | 48°F (9°C) | 12 mph (19 km/h) | 71% | 0.226% |
| 03:00 06:00 | | Clear. | 47°F (8°C) | 10 mph (17 km/h) | 70% | 0.226% |
| 06:00 09:00 | | Sunny. | 51°F (10°C) | 9 mph (14 km/h) | 62% | 0.225% |
| 09:00 12:00 | | Overcast. | 57°F (14°C) | 2 mph (3 km/h) | 51% | 0.222% |
| 12:00 15:00 | | Partly cloudy. | 60°F (16°C) | 4 mph (6 km/h) | 42% | 0.219% |
| 15:00 18:00 | | Sunny. | 60°F (15°C) | 9 mph (14 km/h) | 43% | 0.217% |
| 18:00 21:00 | | Mostly cloudy. | 54°F (12°C) | 7 mph (12 km/h) | 54% | 0.217% |
| 21:00 00:00 | | Clear. | 52°F (11°C) | 5 mph (8 km/h) | 56% | 0.217% |
| Monday, September 23 | sunrise: 07:02 sunset: 19:10 |
| Low around 48°F (9°C), high around 73°F (23°C). More sun than clouds. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear, with a few passing clouds. | 49°F (10°C) | 4 mph (6 km/h) | 60% | 0.217% |
| 03:00 06:00 | | Overcast. | 48°F (9°C) | 2 mph (3 km/h) | 62% | 0.217% |
| 06:00 09:00 | | Overcast. | 53°F (12°C) | 4 mph (7 km/h) | 52% | 0.216% |
| 09:00 12:00 | | Mostly sunny, with a few passing clouds. | 62°F (17°C) | 11 mph (18 km/h) | 42% | 0.214% |
| 12:00 15:00 | | Sunny. | 70°F (21°C) | 12 mph (19 km/h) | 33% | 0.21% |
| 15:00 18:00 | | Sunny. | 70°F (21°C) | 8 mph (14 km/h) | 36% | 0.208% |
| 18:00 21:00 | | A few passing clouds. | 61°F (16°C) | 6 mph (10 km/h) | 51% | 0.207% |
| 21:00 00:00 | | Clear. | 58°F (14°C) | 6 mph (10 km/h) | 55% | 0.207% |
| Tuesday, September 24 | sunrise: 07:03 sunset: 19:08 |
| Low around 54°F (12°C), high around 67°F (19°C). Mostly cloudy skies. Wind: 10 mph (16 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear. | 56°F (13°C) | 3 mph (5 km/h) | 55% | 0.207% |
| 03:00 06:00 | | Overcast. | 54°F (12°C) | 2 mph (4 km/h) | 54% | 0.208% |
| 06:00 09:00 | | Overcast. | 59°F (15°C) | 10 mph (16 km/h) | 57% | 0.207% |
| 09:00 12:00 | | Sunny. | 65°F (18°C) | 8 mph (14 km/h) | 43% | 0.205% |
| 12:00 15:00 | | Overcast. | 66°F (19°C) | 9 mph (14 km/h) | 40% | 0.203% |
| 15:00 18:00 | | Overcast. | 65°F (19°C) | 7 mph (12 km/h) | 42% | 0.202% |
| 18:00 21:00 | | Overcast. | 58°F (14°C) | 4 mph (6 km/h) | 57% | 0.202% |
| 21:00 00:00 | | Mostly cloudy. | 56°F (14°C) | 2 mph (3 km/h) | 58% | 0.202% |
| Wednesday, September 25 | sunrise: 07:04 sunset: 19:06 |
| Low around 52°F (11°C), high around 75°F (24°C). Sunny skies. Wind: 10 mph (16 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 54°F (12°C) | 3 mph (5 km/h) | 61% | 0.202% |
| 03:00 06:00 | | Clear. | 53°F (12°C) | 7 mph (12 km/h) | 62% | 0.203% |
| 06:00 09:00 | | Sunny. | 58°F (14°C) | 10 mph (16 km/h) | 49% | 0.202% |
| 09:00 12:00 | | Sunny. | 68°F (20°C) | 8 mph (14 km/h) | 34% | 0.2% |
| 12:00 15:00 | | Sunny. | 74°F (23°C) | 9 mph (15 km/h) | 27% | 0.196% |
| 15:00 18:00 | | Sunny. | 74°F (23°C) | 4 mph (7 km/h) | 33% | 0.194% |
| 18:00 21:00 | | Clear. | 66°F (19°C) | 8 mph (13 km/h) | 35% | 0.194% |
| 21:00 00:00 | | Clear. | 63°F (17°C) | 7 mph (12 km/h) | 40% | 0.194% |
| Thursday, September 26 | sunrise: 07:05 sunset: 19:04 |
| Low around 59°F (15°C), high around 87°F (31°C). Sunny skies. Wind: 19 mph (30 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 62°F (16°C) | 12 mph (19 km/h) | 39% | 0.194% |
| 03:00 06:00 | | Clear. | 60°F (16°C) | 10 mph (17 km/h) | 46% | 0.193% |
| 06:00 09:00 | | Sunny. | 65°F (19°C) | 13 mph (20 km/h) | 43% | 0.193% |
| 09:00 12:00 | | Sunny. | 79°F (26°C) | 19 mph (30 km/h) | 25% | 0.19% |
| 12:00 15:00 | | Sunny. | 86°F (30°C) | 19 mph (30 km/h) | 17% | 0.185% |
| 15:00 18:00 | | Sunny. | 82°F (28°C) | 10 mph (17 km/h) | 23% | 0.183% |
| 18:00 21:00 | | Clear. | 72°F (22°C) | 6 mph (10 km/h) | 27% | 0.183% |
| 21:00 00:00 | | Clear. | 70°F (21°C) | 9 mph (15 km/h) | 29% | 0.183% |
| Friday, September 27 | sunrise: 07:07 sunset: 19:02 |
| Low around 57°F (14°C), high around 77°F (25°C). Sunny skies. Wind: 16 mph (26 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 67°F (20°C) | 10 mph (16 km/h) | 37% | 0.182% |
| 03:00 06:00 | | Clear. | 65°F (18°C) | 8 mph (13 km/h) | 39% | 0.182% |
| 06:00 09:00 | | Sunny. | 68°F (20°C) | 6 mph (10 km/h) | 42% | 0.182% |
| 09:00 12:00 | | Sunny. | 73°F (23°C) | 8 mph (14 km/h) | 37% | 0.18% |
| 12:00 15:00 | | Sunny. | 77°F (25°C) | 14 mph (23 km/h) | 33% | 0.177% |
| 15:00 18:00 | | Sunny. | 70°F (21°C) | 16 mph (26 km/h) | 22% | 0.175% |
| 18:00 21:00 | | Clear. | 61°F (16°C) | 11 mph (18 km/h) | 28% | 0.175% |
| 21:00 00:00 | | Clear. | 57°F (14°C) | 7 mph (11 km/h) | 34% | 0.174% |
| Saturday, September 28 | sunrise: 07:08 sunset: 19:00 |
| Low around 51°F (10°C), high around 76°F (24°C). Sunny skies. Wind: 13 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 54°F (12°C) | 5 mph (8 km/h) | 36% | 0.174% |
| 03:00 06:00 | | Clear. | 51°F (11°C) | 3 mph (4 km/h) | 39% | 0.174% |
| 06:00 09:00 | | Sunny. | 58°F (15°C) | 5 mph (8 km/h) | 30% | 0.174% |
| 09:00 12:00 | | Sunny. | 68°F (20°C) | 11 mph (18 km/h) | 23% | 0.173% |
| 12:00 15:00 | | Sunny. | 74°F (23°C) | 13 mph (20 km/h) | 23% | 0.17% |
| 15:00 18:00 | | Sunny. | 73°F (23°C) | 6 mph (9 km/h) | 27% | 0.168% |
| 18:00 21:00 | | Clear. | 62°F (16°C) | 2 mph (4 km/h) | 40% | 0.169% |
| 21:00 00:00 | | Clear. | 58°F (15°C) | 5 mph (8 km/h) | 42% | 0.169% |
Roundup (latitude 46°27'N, longitude 108°32'W)
Local Time:
Roundup is in the "America/Denver" timezone.
The "America/Denver" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in DST (since Sunday, 10 March 2024, 03:00 AM local time). During DST, the timezone abbreviation is MDT and the offset to Universal Time (UTC, GMT or Zulu) is -6:00 hours.
Roundup will exit DST (returning to standard time) on Sunday, 3 November 2024, at 02:00 AM local time, when clocks will be turned backward 1 hour to Sunday, 3 November 2024, 01:00 AM local standard time. During ST, the timezone abbreviation is MST and the offset to UTC will be -7:00 hours.