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      Elev 2215 ft, 40.122 °N 78.814 °W

      Cairnbrook, PA

      Cairnbrook Station75°
      Updated: 8:52 PM EDT on September 1, 2026 (GMT -4)
      1 minute ago
      86°
      68°
      75
      Feels Like 77
      Clear
      N
      10
      Gusts 20 mph
      Same 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
        Tue 09/01
        Low 68°f
         15% Precip. / 0 in
        Partly cloudy skies early will give way to cloudy skies late. A stray shower or thunderstorm is possible. Low 68F. Winds W at 5 to 10 mph.
        Tomorrow
        Wed 09/02
        High 85°f
         51% Precip. / 0.18 in
        Scattered thunderstorms in the morning. Partly cloudy skies late. A few storms may be severe. High near 85F. Winds W at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Wed 09/02
        Low 68°f
         45% Precip. / 0.06 in
        Partly cloudy in the evening followed by scattered thunderstorms after midnight. A few storms may be severe. Low 68F. Winds WSW at 5 to 10 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        75°
        9PM
        75°
        10PM
        74°
        11PM
        74°
        12AM
        72°
        1AM
        72°
        2AM
        71°
        3AM
        70°
        4AM
        70°
        5AM
        70°
        6AM
        69°
        6:43AM
        Sunrise
        7AM
        69°
        8AM
        51%
        71°
        9AM
        51%
        72°
        10AM
        32%
        75°
        11AM
        77°
        12PM
        79°
        1PM
        82°
        2PM
        83°
        3PM
        84°
        4PM
        84°
        5PM
        83°
        6PM
        81°
        7PM
        79°
        7:45PM
        Sunset
        8PM
        76°
        Precipitation
        51%
        Pollen
        Grass Pollen
        Low
        Air Quality
        66
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.99 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point66°F
        5. Humidity 74%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJST Station History
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 75°F 91°F 1973
        4. Low 68°F 52°F 35°F 1967
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.13 in -
        7. Snow 0 in - in -
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 75°F 88°F
        4. Low 68°F 52°F 38°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:43 AM 7:45 PM
        3. Civil Twilight 6:16 AM 8:12 PM
        4. Nautical Twilight 5:43 AM 8:45PM
        5. Astronomical Twilight 5:08 AM 9:20 PM
        1. Length of Visible Light 13h 56m
        2. Length of Day 13h 1m
        3. Tomorrow will be 2 minutes 33 seconds shorter
        1. Moon 10:22 PM 12:47 PM
        2. Waning Gibbous63% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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