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      Elev 761 ft, 40.705 °N 89.416 °W

      Washington, IL

      Washington High School Area, Washington, IL Station72°
      Updated: 11:40 PM CDT on September 19, 2026 (GMT -5)
      8 minutes ago
      81°
      69°
      72
      Feels Like 74
      Rain
      N
      7
      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
        Sat 09/19
        Low 68°f
         89% Precip. / 0.13 in
        Thunderstorms likely this evening. Then a chance of scattered thunderstorms overnight. Storms may contain strong gusty winds. Low 68F. Winds NE at 5 to 10 mph. Chance of rain 90%.
        Tomorrow
        Sun 09/20
        High 73°f
         71% Precip. / 0.17 in
        Thunderstorms likely in the morning. Then a chance of scattered thunderstorms in the afternoon. Storms may contain strong gusty winds. High 73F. Winds NE at 10 to 15 mph. Chance of rain 70%.
        Tomorrow night
        Sun 09/20
        Low 60°f
         24% Precip. / 0 in
        Cloudy. Low near 60F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        72°
        12AM
        85%
        72°
        1AM
        38%
        72°
        2AM
        72°
        3AM
        72°
        4AM
        71°
        5AM
        70°
        6AM
        70°
        6:43AM
        Sunrise
        7AM
        35%
        69°
        8AM
        70°
        9AM
        72%
        71°
        10AM
        53%
        71°
        11AM
        46%
        73°
        12PM
        51%
        73°
        1PM
        38%
        73°
        2PM
        50%
        73°
        3PM
        72°
        4PM
        34%
        71°
        5PM
        70°
        6PM
        69°
        6:58PM
        Sunset
        7PM
        67°
        8PM
        65°
        9PM
        65°
        10PM
        64°
        11PM
        64°
        Precipitation
        85%
        Storms likely to end around 1:15 AM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        55
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point71°F
        5. Humidity 97%
        6. Rainfall 0.11 in
        7. Snow Depth 0 in
         KPIA Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 77°F 96°F 2022
        4. Low 69°F 55°F 32°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.13 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 77°F 93°F
        4. Low 69°F 54°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:43 AM 6:58 PM
        3. Civil Twilight 6:16 AM 7:25 PM
        4. Nautical Twilight 5:43 AM 7:57PM
        5. Astronomical Twilight 5:11 AM 8:30 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 4:03 PM 12:11 AM
        2. Waxing Gibbous68% 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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