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      Elev 830 ft, 40.498 °N 88.536 °W

      Saybrook, IL

      Saybrook Station72°
      Updated: 1:38 AM CDT on September 20, 2026 (GMT -5)
      just now
      80°
      67°
      72
      Feels Like 74
      Showers in Vicinity
      N
      8
      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 67°f
         37% Precip. / 0 in
        Scattered thunderstorms. Storms may contain strong gusty winds. Low 67F. Winds E at 5 to 10 mph. Chance of rain 40%.
        Tomorrow
        Sun 09/20
        High 75°f
         55% Precip. / 0.24 in
        Scattered thunderstorms. Storms may contain strong gusty winds. High near 75F. Winds NNE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Sun 09/20
        Low 58°f
         24% Precip. / 0 in
        Cloudy skies. Low 58F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        72°
        2AM
        32%
        72°
        3AM
        71°
        4AM
        71°
        5AM
        70°
        6AM
        69°
        6:40AM
        Sunrise
        7AM
        68°
        8AM
        70°
        9AM
        71°
        10AM
        72°
        11AM
        34%
        74°
        12PM
        44%
        74°
        1PM
        56%
        75°
        2PM
        37%
        75°
        3PM
        34%
        74°
        4PM
        32%
        73°
        5PM
        71°
        6PM
        31%
        69°
        6:54PM
        Sunset
        7PM
        67°
        8PM
        65°
        9PM
        64°
        10PM
        64°
        11PM
        63°
        12AM
        63°
        1AM
        62°
        Precipitation
        56%
        Storms likely to end around 2:15 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        59
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 7 miles
        3. Clouds Mostly Cloudy
        4. Dew Point71°F
        5. Humidity 99%
        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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