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      Elev 1165 ft, 40.974 °N 75.438 °W

      Chestnuthill Township, PA

      Mt effort Station76°
      Updated: 11:02 AM EDT on September 9, 2026 (GMT -4)
      5 minutes ago
      80°
      56°
      76
      Feels Like 77
      Partly Cloudy
      N
      6
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Wed 09/09
        High 80°f
         56% Precip. / 0.01 in
        Showers early with some clearing for the afternoon. High near 80F. Winds SSW at 5 to 10 mph. Chance of rain 60%.
        Tonight
        Wed 09/09
        Low 66°f
         53% Precip. / 0.09 in
        Partly cloudy this evening followed by increasing clouds with showers developing after midnight. Low 66F. Winds SW at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Thu 09/10
        High 82°f58°f
         14% Precip. / 0 in
        Partly cloudy skies. Warm. High 82F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        73°
        12PM
        55%
        76°
        1PM
        30%
        78°
        2PM
        78°
        3PM
        77°
        4PM
        78°
        5PM
        78°
        6PM
        77°
        7PM
        75°
        7:21PM
        Sunset
        8PM
        73°
        9PM
        71°
        10PM
        71°
        11PM
        70°
        12AM
        70°
        1AM
        70°
        2AM
        70°
        3AM
        43%
        69°
        4AM
        54%
        69°
        5AM
        53%
        68°
        6AM
        68°
        6:37AM
        Sunrise
        7AM
        67°
        8AM
        69°
        9AM
        72°
        10AM
        74°
        11AM
        76°
        Precipitation
        55%
        Rain likely around 12:15 PM
        Pollen
        Grass Pollen
        Low
        Air Quality
        52
        Moderate
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point64°F
        5. Humidity 71%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMPO Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 72°F 88°F 1964
        4. Low 56°F 50°F 31°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0.1 in - in -
        7. Snow 0 in - in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 71°F 89°F
        4. Low 56°F 49°F 31°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 7:20 PM
        3. Civil Twilight 6:08 AM 7:48 PM
        4. Nautical Twilight 5:35 AM 8:21PM
        5. Astronomical Twilight 5:01 AM 8:55 PM
        1. Length of Visible Light 13h 39m
        2. Length of Day 12h 44m
        3. Tomorrow will be 2 minutes 39 seconds shorter
        1. Moon 4:42 AM 6:37 PM
        2. Waning Crescent4% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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