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      Elev 505 ft, 40.994 °N 75.202 °W

      Arlington Heights, PA

      Arlington Heights Station70°
      Updated: 9:51 PM EDT on September 10, 2026 (GMT -4)
      6 minutes ago
      86°
      67°
      70
      Feels Like 70
      Partly Cloudy
      N
      2
      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
        Thu 09/10
        Low 63°f
         31% Precip. / 0 in
        Showers early, then cloudy overnight. Low 63F. Winds light and variable. Chance of rain 30%.
        Tomorrow
        Fri 09/11
        High 79°f
         3% Precip. / 0 in
        Partly cloudy skies. High 79F. Winds NNW at 5 to 10 mph.
        Tomorrow night
        Fri 09/11
        Low 52°f
         8% Precip. / 0 in
        A few clouds. Low 52F. Winds light and variable.
        Hourly Forecast
        Now
        70°
        10PM
        70°
        11PM
        69°
        12AM
        68°
        1AM
        68°
        2AM
        68°
        3AM
        67°
        4AM
        66°
        5AM
        65°
        6AM
        64°
        6:37AM
        Sunrise
        7AM
        64°
        8AM
        65°
        9AM
        67°
        10AM
        70°
        11AM
        72°
        12PM
        74°
        1PM
        76°
        2PM
        77°
        3PM
        77°
        4PM
        77°
        5PM
        76°
        6PM
        74°
        7PM
        69°
        7:16PM
        Sunset
        8PM
        66°
        9PM
        63°
        Precipitation
        13%
        Rain possible around 10:15 PM
        Pollen
        None
        Air Quality
        38
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point65°F
        5. Humidity 85%
        6. Rainfall 0.11 in
        7. Snow Depth 0 in
         KMPO Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 77°F 99°F 1983
        4. Low 67°F 54°F 30°F 1917
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 76°F 97°F
        4. Low 67°F 54°F 31°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:37 AM 7:16 PM
        3. Civil Twilight 6:09 AM 7:44 PM
        4. Nautical Twilight 5:36 AM 8:16PM
        5. Astronomical Twilight 5:03 AM 8:50 PM
        1. Length of Visible Light 13h 34m
        2. Length of Day 12h 39m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 7:06 AM 7:23 PM
        2. Waxing Crescent0% 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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