McHenry forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for McHenry, straight from the National Weather Service. Watches and warnings show up first.
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7-Day forecast
What a year in McHenry feels like
McHenry has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 14°, and about 35 inches of snow falls in a normal winter.
Right about normal today. The forecast high is 67°, and a typical Sep 30 in McHenry peaks around 68°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.