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      Elev 659 ft, 41.670 °N 88.354 °W

      Oswego, IL

      Oswego Station63°
      Updated: 10:33 AM CDT on September 22, 2026 (GMT -5)
      2 minutes ago
      64°
      55°
      63
      Feels Like 63
      Mostly Cloudy
      N
      13
      Gusts 21 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
        Tue 09/22
        High 64°f
         15% Precip. / 0 in
        Generally cloudy. Slight chance of a rain shower. High 64F. Winds NE at 10 to 20 mph.
        Tonight
        Tue 09/22
        Low 56°f
         12% Precip. / 0 in
        Mostly cloudy. Low 56F. Winds NE at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 67°f55°f
         11% Precip. / 0 in
        Cloudy skies. High 67F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        61°
        11AM
        62°
        12PM
        62°
        1PM
        62°
        2PM
        62°
        3PM
        62°
        4PM
        62°
        5PM
        62°
        6PM
        61°
        6:50PM
        Sunset
        7PM
        59°
        8PM
        58°
        9PM
        57°
        10PM
        57°
        11PM
        58°
        12AM
        57°
        1AM
        57°
        2AM
        57°
        3AM
        57°
        4AM
        57°
        5AM
        57°
        6AM
        57°
        6:42AM
        Sunrise
        7AM
        57°
        8AM
        58°
        9AM
        60°
        10AM
        62°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        18
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.27 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point49°F
        5. Humidity 64%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KARR Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 74°F 91°F 2024
        4. Low 55°F 53°F 30°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 73°F 93°F
        4. Low 55°F 52°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:40 AM 6:50 PM
        3. Civil Twilight 6:13 AM 7:18 PM
        4. Nautical Twilight 5:40 AM 7:50PM
        5. Astronomical Twilight 5:07 AM 8:23 PM
        1. Length of Visible Light 13h 4m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 5:03 PM 2:10 AM
        2. Waxing Gibbous85% 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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