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      Elev 282 ft, 40.002 °N 75.359 °W

      Bryn Mawr, PA

      Updated: 3:37 AM EDT on September 10, 2026 (GMT -4)
      28 seconds ago
      87°
      72°
      73
      Feels Like 73
      Partly Cloudy
      N
      8
      Gusts 18 mph
      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
        Thu 09/10
        High 87°f
        58% Precip. / 0.01 in
        Rain showers this morning with some sunshine during the afternoon hours. Warm. High 87F. Winds W at 5 to 10 mph. Chance of rain 60%.
        Tonight
        Thu 09/10
        Low 68°f
        42% Precip. / 0.04 in
        Partly cloudy this evening followed by increasing clouds with showers developing after midnight. Low 68F. Winds light and variable. Chance of rain 40%.
        Tomorrow
        Fri 09/11
        High 81°f61°f
        35% Precip. / 0.02 in
        Rain showers early with some sunshine later in the day. High 81F. Winds NNW at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        73°
        4AM
        74°
        5AM
        39%
        73°
        6AM
        73°
        6:37AM
        Sunrise
        7AM
        74°
        8AM
        75°
        9AM
        76°
        10AM
        79°
        11AM
        81°
        12PM
        83°
        1PM
        85°
        2PM
        86°
        3PM
        86°
        4PM
        86°
        5PM
        86°
        6PM
        85°
        7PM
        82°
        7:18PM
        Sunset
        8PM
        80°
        9PM
        78°
        10PM
        77°
        11PM
        76°
        12AM
        76°
        1AM
        75°
        2AM
        74°
        3AM
        33%
        73°
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point66°F
        5. Humidity 77%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KLOM Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 82°F 97°F 2015
        4. Low 72°F 60°F 44°F 1956
        5. Rain/Snow Depth
        6. Precipitation 0.05 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 82°F 99°F
        4. Low 72°F 60°F 47°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:37 AM 7:18 PM
        3. Civil Twilight 6:10 AM 7:45 PM
        4. Nautical Twilight 5:38 AM 8:17PM
        5. Astronomical Twilight 5:04 AM 8:51 PM
        1. Length of Visible Light 13h 35m
        2. Length of Day 12h 40m
        3. Tomorrow will be 2 minutes 35 seconds shorter
        1. Moon 5:57 AM 7:00 PM
        2. New0% 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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        Weather Alerts
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