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    Weather Forecast for Mercersburg (Pennsylvania)

    View weather forecasts for other places in Pennsylvania

    Forecast Overview

    • Wed Dec 4 
      37°F 23°F
      3°C -5°C
      Sunny skies.

      details
    • Thu Dec 5 
      43°F 21°F
      6°C -6°C
      Chance of light snow in the afternoon.

      details
    • Fri Dec 6 
      43°F 23°F
      6°C -5°C
      More sun than clouds.

      details
    • Sat Dec 7 
      34°F 21°F
      1°C -6°C
      A few passing clouds.

      details
    • Sun Dec 8 
      36°F 21°F
      2°C -6°C
      A few passing clouds.

      details
    • Mon Dec 9 
      54°F 25°F
      12°C -4°C
      Mostly cloudy skies.

      details
    • Tue Dec 10 
      52°F 37°F
      11°C 3°C
      Chance of rain in the morning.

      details
    • Wed Dec 11 
      59°F 46°F
      15°C 8°C
      Chance of light rain at various times.

      details
    • Thu Dec 12 
      72°F 46°F
      22°C 8°C
      Chance of light rain in the morning.

      details

    Detailed Forecast

    Wednesday, December 4sunrise: 07:16 sunset: 16:46

       Low around 22°F  (-5°C), high around 37°F  (3°C).
    Sunny skies.
    Wind: 14 mph (22 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Clear.23°F
    (-5°C)
    6 mph
    (9 km/h)
    75%0.228%
    04:00
    07:00
    Clear.24°F
    (-5°C)
    7 mph
    (11 km/h)
    76%0.228%
    07:00
    10:00
    Sunny.32°F
    (-0°C)
    12 mph
    (20 km/h)
    55%0.228%
    10:00
    13:00
    Sunny.37°F
    (3°C)
    14 mph
    (22 km/h)
    40%0.227%
    13:00
    16:00
    Sunny.34°F
    (1°C)
    11 mph
    (18 km/h)
    47%0.226%
    16:00
    19:00
    Clear.26°F
    (-3°C)
    6 mph
    (9 km/h)
    66%0.225%
    19:00
    22:00
    Clear.24°F
    (-5°C)
    4 mph
    (6 km/h)
    74%0.225%
    22:00
    01:00
    Clear.22°F
    (-5°C)
    3 mph
    (5 km/h)
    80%0.225%

    Thursday, December 5sunrise: 07:17 sunset: 16:46

       Low around 21°F  (-6°C), high around 43°F  (6°C).
    Chance of light snow late in the afternoon (between 4 pm and 7 pm). Estimated precipitation: 0.01 in (0.3125 mm).
    Overcast skies.
    Wind: 14 mph (22 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Partly cloudy.21°F
    (-6°C)
    4 mph
    (7 km/h)
    80%0.226%
    04:00
    07:00
    Overcast.24°F
    (-4°C)
    4 mph
    (6 km/h)
    70%0.227%
    07:00
    10:00
    Sunny.31°F
    (-0°C)
    8 mph
    (13 km/h)
    45%0.227%
    10:00
    13:00
    Overcast.40°F
    (4°C)
    11 mph
    (17 km/h)
    29%0.225%
    13:00
    16:00
    Overcast.41°F
    (5°C)
    13 mph
    (21 km/h)
    36%0.224%
    16:00
    19:00
    Chance of light snow. Precipitation: 0.01 in
    (0.1875 mm).
    39°F
    (4°C)
    11 mph
    (18 km/h)
    44%0.222%
    19:00
    22:00
    Overcast. Precipitation: 0 in
    (0.125 mm).
    38°F
    (3°C)
    8 mph
    (12 km/h)
    64%0.221%
    22:00
    01:00
    Considerable cloudiness.42°F
    (6°C)
    14 mph
    (22 km/h)
    66%0.22%

    Friday, December 6sunrise: 07:18 sunset: 16:46

       Low around 23°F  (-5°C), high around 43°F  (6°C).
    Estimated precipitation: 0.05 in (1.3125 mm).
    More sun than clouds.
    Wind: 20 mph (32 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Partly cloudy.42°F
    (5°C)
    16 mph
    (25 km/h)
    69%0.22%
    04:00
    07:00
    Mostly cloudy. Precipitation: 0.05 in
    (1.3125 mm).
    27°F
    (-3°C)
    16 mph
    (26 km/h)
    77%0.226%
    07:00
    10:00
    Sunny.26°F
    (-3°C)
    19 mph
    (31 km/h)
    52%0.225%
    10:00
    13:00
    Sunny.29°F
    (-1°C)
    20 mph
    (32 km/h)
    45%0.223%
    13:00
    16:00
    Mostly cloudy.28°F
    (-2°C)
    16 mph
    (25 km/h)
    51%0.222%
    16:00
    19:00
    Clear.26°F
    (-3°C)
    15 mph
    (24 km/h)
    59%0.221%
    19:00
    22:00
    Mostly cloudy.27°F
    (-3°C)
    13 mph
    (22 km/h)
    64%0.221%
    22:00
    01:00
    Mostly cloudy.27°F
    (-3°C)
    13 mph
    (20 km/h)
    67%0.22%

    Saturday, December 7sunrise: 07:19 sunset: 16:46

       Low around 22°F  (-6°C), high around 34°F  (1°C).
    A few passing clouds.
    Wind: 13 mph (21 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Mostly clear.26°F
    (-3°C)
    13 mph
    (21 km/h)
    67%0.22%
    04:00
    07:00
    Clear.25°F
    (-4°C)
    11 mph
    (19 km/h)
    66%0.22%
    07:00
    10:00
    Overcast.30°F
    (-1°C)
    13 mph
    (21 km/h)
    55%0.22%
    10:00
    13:00
    Overcast.33°F
    (0°C)
    12 mph
    (20 km/h)
    46%0.22%
    13:00
    16:00
    Sunny.32°F
    (-0°C)
    10 mph
    (16 km/h)
    46%0.219%
    16:00
    19:00
    Clear.24°F
    (-5°C)
    4 mph
    (7 km/h)
    68%0.219%
    19:00
    22:00
    Mostly clear.22°F
    (-5°C)
    4 mph
    (6 km/h)
    74%0.219%
    22:00
    01:00
    Clear.22°F
    (-6°C)
    5 mph
    (8 km/h)
    79%0.22%

    Sunday, December 8sunrise: 07:20 sunset: 16:46

       Low around 20°F  (-6°C), high around 36°F  (2°C).
    A few passing clouds.
    Wind: 9 mph (15 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Clear.22°F
    (-6°C)
    5 mph
    (8 km/h)
    74%0.22%
    04:00
    07:00
    Clear.21°F
    (-6°C)
    4 mph
    (6 km/h)
    67%0.221%
    07:00
    10:00
    Sunny.30°F
    (-1°C)
    9 mph
    (15 km/h)
    42%0.221%
    10:00
    13:00
    Sunny.35°F
    (2°C)
    9 mph
    (15 km/h)
    38%0.221%
    13:00
    16:00
    Sunny.34°F
    (1°C)
    7 mph
    (11 km/h)
    51%0.22%
    16:00
    19:00
    Mostly clear, with a few passing clouds.27°F
    (-3°C)
    2 mph
    (3 km/h)
    72%0.219%
    19:00
    22:00
    Clear.25°F
    (-4°C)
    3 mph
    (5 km/h)
    80%0.22%
    22:00
    01:00
    Overcast.24°F
    (-4°C)
    4 mph
    (6 km/h)
    80%0.22%

    Monday, December 9sunrise: 07:20 sunset: 16:46

       Low around 24°F  (-4°C), high around 54°F  (12°C).
    Mostly cloudy skies.
    Wind: 9 mph (15 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Overcast.25°F
    (-4°C)
    3 mph
    (4 km/h)
    81%0.221%
    04:00
    07:00
    Overcast.28°F
    (-2°C)
    4 mph
    (7 km/h)
    73%0.221%
    07:00
    10:00
    A few passing clouds.39°F
    (4°C)
    4 mph
    (6 km/h)
    52%0.221%
    10:00
    13:00
    Sunny.52°F
    (11°C)
    9 mph
    (15 km/h)
    39%0.22%
    13:00
    16:00
    Sunny.48°F
    (9°C)
    6 mph
    (9 km/h)
    56%0.217%
    16:00
    19:00
    Overcast.39°F
    (4°C)
    3 mph
    (4 km/h)
    74%0.216%
    19:00
    22:00
    Overcast.38°F
    (4°C)
    2 mph
    (3 km/h)
    77%0.216%
    22:00
    01:00
    Overcast.38°F
    (4°C)
    3 mph
    (5 km/h)
    80%0.216%

    Tuesday, December 10sunrise: 07:21 sunset: 16:46

       Low around 38°F  (3°C), high around 52°F  (11°C).
    Chance of rain early in the morning, between 4 am and 10 am. Estimated precipitation: 0.31 in (7.75 mm).
    Overcast skies.
    Wind: 4 mph (6 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Overcast.38°F
    (3°C)
    2 mph
    (3 km/h)
    84%0.215%
    04:00
    07:00
    Chance of rain. Precipitation: 0.08 in
    (2.125 mm).
    40°F
    (5°C)
    3 mph
    (5 km/h)
    95%0.229%
    07:00
    10:00
    Chance of rain. Precipitation: 0.17 in
    (4.4375 mm).
    42°F
    (5°C)
    4 mph
    (6 km/h)
    99%0.267%
    10:00
    13:00
    Overcast. Precipitation: 0.04 in
    (1.125 mm).
    48°F
    (9°C)
    2 mph
    (4 km/h)
    94%0.266%
    13:00
    16:00
    Overcast. Precipitation: 0 in
    (0.0625 mm).
    51°F
    (10°C)
    3 mph
    (5 km/h)
    95%0.259%
    16:00
    19:00
    Overcast.48°F
    (9°C)
    2 mph
    (4 km/h)
    96%0.255%
    19:00
    22:00
    Overcast.46°F
    (8°C)
    3 mph
    (4 km/h)
    96%0.251%
    22:00
    01:00
    Overcast.48°F
    (9°C)
    2 mph
    (3 km/h)
    95%0.249%

    Wednesday, December 11sunrise: 07:22 sunset: 16:46

       Low around 47°F  (8°C), high around 59°F  (15°C).
    Chance of light rain before sunrise (between 4 am and 7 am) and during late afternoon and evening (between 4 pm and 10 pm). Estimated precipitation: 0.08 in (2.0625 mm).
    Overcast skies.
    Wind: 12 mph (19 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Overcast.47°F
    (8°C)
    1 mph
    (2 km/h)
    97%0.247%
    04:00
    07:00
    Chance of light rain. Precipitation: 0.04 in
    (0.9375 mm).
    48°F
    (9°C)
    1 mph
    (2 km/h)
    99%0.252%
    07:00
    10:00
    Overcast. Precipitation: 0.01 in
    (0.3125 mm).
    50°F
    (10°C)
    2 mph
    (3 km/h)
    99%0.251%
    10:00
    13:00
    Overcast.54°F
    (12°C)
    2 mph
    (4 km/h)
    95%0.248%
    13:00
    16:00
    Overcast.53°F
    (12°C)
    2 mph
    (4 km/h)
    98%0.246%
    16:00
    19:00
    Chance of light rain. Precipitation: 0 in
    (0.0625 mm).
    54°F
    (12°C)
    3 mph
    (5 km/h)
    99%0.245%
    19:00
    22:00
    Chance of light rain. Precipitation: 0.03 in
    (0.6875 mm).
    58°F
    (14°C)
    8 mph
    (13 km/h)
    98%0.249%
    22:00
    01:00
    Overcast. Precipitation: 0 in
    (0.0625 mm).
    59°F
    (15°C)
    12 mph
    (19 km/h)
    98%0.248%

    Thursday, December 12sunrise: 07:23 sunset: 16:47

       Low around 46°F  (8°C), high around 72°F  (22°C).
    Chance of light rain before sunrise (between 4 am and 7 am) and late in the morning (between 10 am and 1 pm). Estimated precipitation: 0.06 in (1.625 mm).
    Mostly cloudy skies.
    Wind: 16 mph (25 km/h).

    TimeSkiesConditionsTempWindHumiditySoil Moisture
    01:00
    04:00
    Overcast.61°F
    (16°C)
    14 mph
    (22 km/h)
    94%0.246%
    04:00
    07:00
    Chance of light rain. Precipitation: 0.02 in
    (0.5625 mm).
    62°F
    (17°C)
    12 mph
    (19 km/h)
    97%0.251%
    07:00
    10:00
    More sun than clouds. Precipitation: 0.01 in
    (0.25 mm).
    65°F
    (18°C)
    11 mph
    (18 km/h)
    88%0.251%
    10:00
    13:00
    Chance of light rain. Precipitation: 0.02 in
    (0.5 mm).
    72°F
    (22°C)
    16 mph
    (25 km/h)
    69%0.25%
    13:00
    16:00
    Overcast. Precipitation: 0.01 in
    (0.3125 mm).
    59°F
    (15°C)
    13 mph
    (21 km/h)
    71%0.247%
    16:00
    19:00
    Overcast.54°F
    (12°C)
    11 mph
    (18 km/h)
    66%0.245%
    19:00
    22:00
    Overcast.49°F
    (9°C)
    12 mph
    (20 km/h)
    63%0.242%
    22:00
    01:00
    Overcast.46°F
    (8°C)
    12 mph
    (19 km/h)
    62%0.24%


    Mercersburg (latitude 39°50'N, longitude 077°54'W)

    Local Time:

    Mercersburg is in the "America/New_York" timezone.

    The "America/New_York" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 3 November 2024, 01:00 AM local time). During ST, the timezone abbreviation is EST and the offset to Universal Time (UTC, GMT or Zulu) is -5:00 hours.

    Mercersburg will exit standard time (entering DST) on Sunday, 9 March 2025, at 02:00 AM local time, when clocks will be turned forward 1 hour to Sunday, 9 March 2025, 03:00 AM local daylight time. During DST, the timezone abbreviation is EDT and the offset to UTC will be -4:00 hours.


    Forecasts for Other Places in Pennsylvania:

    See also:


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