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      Elev 344 ft, 40.242 °N 75.284 °W

      Lansdale, PA

      Updated: 9:40 AM EDT on September 12, 2026 (GMT -4)
      8 minutes ago
      83°
      54°
      71
      Feels Like 71
      Sunny
      N
      4
      Same 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
        Sat 09/12
        High 83°f
        1% Precip. / 0 in
        A mix of clouds and sun during the morning will give way to cloudy skies this afternoon. High 83F. Winds SE at 5 to 10 mph.
        Tonight
        Sat 09/12
        Low 69°f
        71% Precip. / 0.58 in
        Cloudy skies this evening followed by thunderstorms late. Low 69F. Winds ESE at 5 to 10 mph. Chance of rain 70%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/13
        High 82°f65°f
        76% Precip. / 0.26 in
        Thunderstorms in the morning, then skies turning partly cloudy late. High 82F. Winds light and variable. Chance of rain 80%.
        Hourly Forecast
        Now
        70°
        10AM
        71°
        11AM
        74°
        12PM
        77°
        1PM
        78°
        2PM
        79°
        3PM
        81°
        4PM
        81°
        5PM
        81°
        6PM
        79°
        7PM
        77°
        7:14PM
        Sunset
        8PM
        75°
        9PM
        74°
        10PM
        73°
        11PM
        72°
        12AM
        72°
        1AM
        48%
        71°
        2AM
        62%
        71°
        3AM
        61%
        71°
        4AM
        67%
        70°
        5AM
        71%
        71°
        6AM
        72%
        71°
        6:40AM
        Sunrise
        7AM
        77%
        70°
        8AM
        63%
        70°
        9AM
        52%
        72°
        Additional Conditions
        1. Pressure 30.11 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point59°F
        5. Humidity 68%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KLOM Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 82°F 98°F 1983
        4. Low 54°F 59°F 45°F 1977
        5. Rain/Snow Depth
        6. Precipitation 0.58 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 81°F 95°F
        4. Low 54°F 59°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:39 AM 7:14 PM
        3. Civil Twilight 6:11 AM 7:42 PM
        4. Nautical Twilight 5:39 AM 8:14PM
        5. Astronomical Twilight 5:06 AM 8:47 PM
        1. Length of Visible Light 13h 30m
        2. Length of Day 12h 35m
        3. Tomorrow will be 2 minutes 37 seconds shorter
        1. Moon 8:15 AM 7:46 PM
        2. Waxing Crescent2% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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