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      Elev 367 ft, 40.168 °N 75.156 °W

      Horsham, PA

      Horsham Station65°
      Updated: 8:30 PM EDT on September 21, 2026 (GMT -4)
      9 minutes ago
      73°
      61°
      65
      Feels Like 65
      Cloudy
      N
      5
      Lower temperature is expected tomorrow
      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
        Tonight
        Mon 09/21
        Low 56°f
         82% Precip. / 0.09 in
        Cloudy with rain developing after midnight. Low 56F. Winds ENE at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Tue 09/22
        High 61°f
         86% Precip. / 0.2 in
        Rain early...then remaining cloudy with showers in the afternoon. High 61F. Winds NE at 10 to 15 mph. Chance of rain 90%. Rainfall around a quarter of an inch.
        Tomorrow night
        Tue 09/22
        Low 53°f
         12% Precip. / 0 in
        Overcast. Low 53F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        65°
        9PM
        87%
        64°
        10PM
        64°
        11PM
        63°
        12AM
        62°
        1AM
        53%
        61°
        2AM
        49%
        60°
        3AM
        37%
        60°
        4AM
        48%
        60°
        5AM
        73%
        59°
        6AM
        83%
        58°
        6:48AM
        Sunrise
        7AM
        86%
        57°
        8AM
        78%
        57°
        9AM
        79%
        57°
        10AM
        65%
        58°
        11AM
        54%
        58°
        12PM
        53%
        59°
        1PM
        57%
        59°
        2PM
        50%
        60°
        3PM
        38%
        61°
        4PM
        61°
        5PM
        61°
        6PM
        61°
        6:57PM
        Sunset
        7PM
        61°
        8PM
        60°
        Precipitation
        87%
        Rain expected around 9:00 PM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        29
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.11 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point58°F
        5. Humidity 77%
        6. Rainfall 0.91 in
        7. Snow Depth 0 in
         KLOM Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 78°F 94°F 1970
        4. Low 61°F 55°F 39°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 77°F 95°F
        4. Low 61°F 55°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:48 AM 6:57 PM
        3. Civil Twilight 6:21 AM 7:24 PM
        4. Nautical Twilight 5:49 AM 7:56PM
        5. Astronomical Twilight 5:17 AM 8:28 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 5:05 PM 2:19 AM
        2. Waxing Gibbous84% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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