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      Elev 797 ft, 42.333 °N 88.268 °W

      McHenry, IL

      McHenry Station57°
      Updated: 7:17 AM CDT on September 23, 2026 (GMT -5)
      3 minutes ago
      66°
      51°
      57
      Feels Like 57
      Mostly Cloudy
      N
      5
      Higher temperature is expected today
      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
        Wed 09/23
        High 66°f
         7% Precip. / 0 in
        Partly cloudy skies this morning will become overcast during the afternoon. High 66F. Winds NE at 10 to 15 mph.
        Tonight
        Wed 09/23
        Low 53°f
         7% Precip. / 0 in
        Cloudy early, becoming mostly clear after midnight. Low 53F. Winds ENE at 5 to 10 mph.
        Tomorrow
        Thu 09/24
        High 69°f55°f
         7% Precip. / 0 in
        Generally sunny despite a few afternoon clouds. High 69F. Winds E at 5 to 10 mph.
        Hourly Forecast
        Now
        58°
        8AM
        60°
        9AM
        62°
        10AM
        63°
        11AM
        63°
        12PM
        63°
        1PM
        65°
        2PM
        65°
        3PM
        65°
        4PM
        65°
        5PM
        64°
        6PM
        63°
        6:48PM
        Sunset
        7PM
        61°
        8PM
        60°
        9PM
        60°
        10PM
        60°
        11PM
        59°
        12AM
        57°
        1AM
        57°
        2AM
        56°
        3AM
        55°
        4AM
        54°
        5AM
        54°
        6AM
        54°
        6:42AM
        Sunrise
        7AM
        54°
        Precipitation
        7%
        Pollen
        None
        Air Quality
        21
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.37 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point53°F
        5. Humidity 83%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KUGN Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 71°F 90°F 1908
        4. Low 51°F 51°F 29°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 71°F 91°F
        4. Low 51°F 51°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:41 AM 6:48 PM
        3. Civil Twilight 6:13 AM 7:16 PM
        4. Nautical Twilight 5:40 AM 7:49PM
        5. Astronomical Twilight 5:07 AM 8:22 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 5:28 PM 3:15 AM
        2. Waxing Gibbous91% 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
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