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      Elev 686 ft, 41.926 °N 87.979 °W

      Addison, IL

      Addison Historical District Station70°
      Updated: 9:48 AM CDT on September 18, 2026 (GMT -5)
      4 minutes ago
      71°
      63°
      70
      Feels Like 70
      Partly Cloudy
      N
      12
      Gusts 20 mph
      Lower 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
        Fri 09/18
        High 71°f
         8% Precip. / 0 in
        A mix of clouds and sun during the morning will give way to cloudy skies this afternoon. High 71F. Winds ENE at 10 to 15 mph.
        Tonight
        Fri 09/18
        Low 63°f
         76% Precip. / 0.5 in
        Mostly cloudy this evening with thunderstorms developing after midnight. Severe thunderstorms expected. Low 63F. Winds E at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Sat 09/19
        High 74°f65°f
         84% Precip. / 0.6 in
        Thunderstorms likely. Severe thunderstorms expected. High 74F. Winds SSE at 5 to 10 mph. Chance of rain 80%.
        Hourly Forecast
        Now
        71°
        10AM
        70°
        11AM
        71°
        12PM
        71°
        1PM
        70°
        2PM
        69°
        3PM
        70°
        4PM
        70°
        5PM
        70°
        6PM
        69°
        6:56PM
        Sunset
        7PM
        68°
        8PM
        67°
        9PM
        67°
        10PM
        67°
        11PM
        67°
        12AM
        67°
        1AM
        48%
        67°
        2AM
        54%
        66°
        3AM
        55%
        66°
        4AM
        69%
        65°
        5AM
        77%
        65°
        6AM
        75%
        64°
        6:36AM
        Sunrise
        7AM
        69%
        64°
        8AM
        85%
        65°
        9AM
        72%
        65°
        Precipitation
        85%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        19
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.26 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point57°F
        5. Humidity 62%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KORD Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 75°F 94°F 1955
        4. Low 63°F 56°F 39°F 1959
        5. Rain/Snow Depth
        6. Precipitation 0.5 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 74°F 93°F
        4. Low 63°F 56°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:35 AM 6:56 PM
        3. Civil Twilight 6:07 AM 7:23 PM
        4. Nautical Twilight 5:34 AM 7:56PM
        5. Astronomical Twilight 5:00 AM 8:30 PM
        1. Length of Visible Light 13h 16m
        2. Length of Day 12h 20m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 2:35 PM 11:03 PM
        2. First Quarter49% 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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