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      Elev 830 ft, 40.498 °N 88.536 °W

      Saybrook, IL

      Saybrook Station72°
      Updated: 2:22 AM CDT on September 20, 2026 (GMT -5)
      6 minutes ago
      80°
      67°
      72
      Feels Like 73
      Showers in Vicinity
      N
      7
      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
        Tonight
        Sat 09/19
        Low 68°f
         38% Precip. / 0 in
        Variable clouds with scattered thunderstorms. Storms may contain strong gusty winds. Low 68F. Winds E at 5 to 10 mph. Chance of rain 40%.
        Tomorrow
        Sun 09/20
        High 75°f
         59% Precip. / 0.31 in
        Scattered thunderstorms in the morning becoming more widespread in the afternoon. Storms may contain strong gusty winds. High near 75F. Winds NE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Sun 09/20
        Low 59°f
         20% Precip. / 0 in
        Cloudy. Low 59F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        71°
        3AM
        71°
        4AM
        71°
        5AM
        70°
        6AM
        69°
        6:40AM
        Sunrise
        7AM
        69°
        8AM
        70°
        9AM
        52%
        71°
        10AM
        37%
        72°
        11AM
        51%
        73°
        12PM
        56%
        74°
        1PM
        58%
        74°
        2PM
        47%
        74°
        3PM
        60%
        73°
        4PM
        34%
        72°
        5PM
        71°
        6PM
        34%
        69°
        6:54PM
        Sunset
        7PM
        67°
        8PM
        65°
        9PM
        64°
        10PM
        64°
        11PM
        63°
        12AM
        63°
        1AM
        62°
        2AM
        62°
        Precipitation
        60%
        Storms end by 3 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        60
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 7 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 100%
        6. Rainfall 0.08 in
        7. Snow Depth 0 in
         KBMI Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 77°F 90°F 2005
        4. Low 67°F 51°F 32°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 76°F 90°F
        4. Low 67°F 51°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:39 AM 6:54 PM
        3. Civil Twilight 6:12 AM 7:21 PM
        4. Nautical Twilight 5:40 AM 7:53PM
        5. Astronomical Twilight 5:07 AM 8:26 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 3:58 PM 12:08 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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