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      Elev 764 ft, 42.359 °N 88.284 °W

      McHenry, IL

      McHenry Station68°
      Updated: 3:51 PM CDT on October 4, 2026 (GMT -5)
      9 minutes ago
      70°
      47°
      68
      Feels Like 68
      Sunny
      N
      11
      Gusts 17 mph
      Lower temperature is expected tomorrow
      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
        Tonight
        Sun 10/04
        Low 42°f
         5% Precip. / 0 in
        A clear sky. Low 42F. Winds NW at 10 to 15 mph.
        Tomorrow
        Mon 10/05
        High 68°f
         5% Precip. / 0 in
        Sunny. High 68F. Winds light and variable.
        Tomorrow night
        Mon 10/05
        Low 45°f
         6% Precip. / 0 in
        Clear skies. Low near 45F. Winds light and variable.
        Hourly Forecast
        Now
        70°
        4PM
        69°
        5PM
        68°
        6PM
        64°
        6:29PM
        Sunset
        7PM
        59°
        8PM
        56°
        9PM
        54°
        10PM
        52°
        11PM
        50°
        12AM
        49°
        1AM
        48°
        2AM
        47°
        3AM
        46°
        4AM
        45°
        5AM
        44°
        6AM
        43°
        6:54AM
        Sunrise
        7AM
        43°
        8AM
        46°
        9AM
        52°
        10AM
        57°
        11AM
        61°
        12PM
        63°
        1PM
        65°
        2PM
        66°
        3PM
        66°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        25
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point39°F
        5. Humidity 33%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KUGN Station History
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 66°F 86°F 1967
        4. Low 47°F 46°F 26°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for October 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 66°F 85°F
        4. Low 42°F 46°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 6:29 PM
        3. Civil Twilight 6:25 AM 6:57 PM
        4. Nautical Twilight 5:53 AM 7:29PM
        5. Astronomical Twilight 5:20 AM 8:02 PM
        1. Length of Visible Light 12h 31m
        2. Length of Day 11h 35m
        3. Tomorrow will be 2 minutes 49 seconds shorter
        1. Moon - 3:34 PM
        2. Waning Crescent42% 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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