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      Elev 928 ft, 42.252 °N 88.339 °W

      Crystal Lake, IL

      Crystal Lake Station68°
      Updated: 11:42 AM CDT on October 8, 2026 (GMT -5)
      5 minutes ago
      71°
      48°
      68
      Feels Like 68
      Fair
      N
      8
      Lower temperature is expected today
      Wundermap

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       Wundermap
      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
        Thu 10/08
        High 71°f
         0% Precip. / 0 in
        Sunny. High 71F. Winds WNW at 5 to 10 mph.
        Tonight
        Thu 10/08
        Low 46°f
         4% Precip. / 0 in
        Partly cloudy skies. Low 46F. Winds light and variable.
        Tomorrow
        Fri 10/09
        High 72°f56°f
         52% Precip. / 0.07 in
        Partly cloudy early followed by increasing clouds with showers developing later in the day. High 72F. Winds SE at 5 to 10 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        67°
        12PM
        68°
        1PM
        70°
        2PM
        70°
        3PM
        69°
        4PM
        69°
        5PM
        67°
        6PM
        63°
        6:22PM
        Sunset
        7PM
        59°
        8PM
        56°
        9PM
        53°
        10PM
        51°
        11PM
        50°
        12AM
        49°
        1AM
        49°
        2AM
        48°
        3AM
        48°
        4AM
        47°
        5AM
        47°
        6AM
        47°
        6:59AM
        Sunrise
        7AM
        48°
        8AM
        52°
        9AM
        56°
        10AM
        60°
        11AM
        64°
        Precipitation
        18%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        21
        Good
        UV Index
        4
        Moderate
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point40°F
        5. Humidity 37%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         K06C Station History
        Almanac for October 8, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 67°F 88°F 2007
        4. Low 48°F 44°F 27°F 2001
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for October 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 66°F 86°F
        4. Low 46°F 43°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:58 AM 6:22 PM
        3. Civil Twilight 6:30 AM 6:50 PM
        4. Nautical Twilight 5:57 AM 7:23PM
        5. Astronomical Twilight 5:25 AM 7:55 PM
        1. Length of Visible Light 12h 20m
        2. Length of Day 11h 24m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 4:44 AM 5:19 PM
        2. Waning Crescent5% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
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