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      Elev 180 ft, 40.099 °N 75.264 °W

      Plymouth Meeting, PA

      Lafayette Hill Station67°
      Updated: 6:28 PM EDT on September 21, 2026 (GMT -4)
      19 seconds ago
      73°
      61°
      67
      Feels Like 67
      Cloudy
      N
      6
      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
         85% Precip. / 0.12 in
        Rain showers early will evolve into a more steady rain overnight. Low 56F. Winds ENE at 5 to 10 mph. Chance of rain 90%.
        Tomorrow
        Tue 09/22
        High 61°f
         86% Precip. / 0.24 in
        Occasional rain. High 61F. Winds NE at 10 to 15 mph. Chance of rain 90%. Rainfall near a quarter of an inch.
        Tomorrow night
        Tue 09/22
        Low 53°f
         12% Precip. / 0 in
        Cloudy. Low 53F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        6:59PM
        Sunset
        7PM
        67°
        8PM
        66°
        9PM
        65°
        10PM
        65°
        11PM
        64°
        12AM
        55%
        63°
        1AM
        46%
        62°
        2AM
        61°
        3AM
        33%
        60°
        4AM
        60%
        60°
        5AM
        82%
        59°
        6AM
        85%
        58°
        6:48AM
        Sunrise
        7AM
        86%
        57°
        8AM
        80%
        57°
        9AM
        77%
        57°
        10AM
        60%
        58°
        11AM
        51%
        58°
        12PM
        57%
        58°
        1PM
        61%
        59°
        2PM
        51%
        59°
        3PM
        60°
        4PM
        60°
        5PM
        61°
        6PM
        61°
        Precipitation
        86%
        Rain possible after 12 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        26
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point58°F
        5. Humidity 70%
        6. Rainfall 1.19 in
        7. Snow Depth 0 in
         KLOM Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 78°F 95°F 1983
        4. Low 61°F 56°F 37°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0.12 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 78°F 94°F
        4. Low 61°F 55°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 6:59 PM
        3. Civil Twilight 6:20 AM 7:26 PM
        4. Nautical Twilight 5:48 AM 7:58PM
        5. Astronomical Twilight 5:16 AM 8:30 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 4:37 PM 1:16 AM
        2. Waxing Gibbous77% 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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