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McHenry, IL Weather Forecast

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McHenry, IL Weather Forecast

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McHenry IL weather - Hazy - 58°F
Hazy
58°F
Updated 10:04 am
Feels Like 54°F
Humidity 83%
Wind SE 12 mph
Barometer  30.27 in
Dew Point 53°F
McHenry IL weather - Hazy - 14°C
Hazy
14°C
Updated 10:04 am
Feels Like 12°C
Humidity 83%
Wind SE 19 km/h
Barometer  102.5 kPa
Dew Point 12°C
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McHenry Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
McHenry, IL Weather - Today Mostly Cloudy McHenry, IL Weather - Tonight Mostly Cloudy McHenry, IL Weather - Wednesday Partly Cloudy McHenry, IL Weather - Wednesday Night Chance Of T-Storm McHenry, IL Weather - Thursday Chance Of Showers McHenry, IL Weather - Thursday Night Partly Cloudy McHenry, IL Weather - Friday Chance Of Showers McHenry, IL Weather - Friday Night Chance Of T-Storm McHenry, IL Weather - Saturday Chance Of Showers McHenry, IL Weather - Saturday Night Chance Of Showers McHenry, IL Weather - Sunday Chance Of Showers McHenry, IL Weather - Sunday Night Mostly Cloudy
Mostly Cloudy Mostly Cloudy Partly Cloudy Chance of T-Storm Chance of Showers Partly Cloudy Chance of Showers Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers Mostly Cloudy
Hi: 65°FHi: 18°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C
POP: 20% POP: 30% POP: 40% POP: 50% POP: 40% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 841 AM CDT Tue Oct 27 2026 McHenry, IL Weather - WeatherWorld.com

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Issued: 640 AM CDT Tue Oct 27 2026

Key Messages

  • Above to much above average temperatures expected to continue through the upcoming weekend.
  • While not a wash out, there will be some periodic chances for showers and perhaps isolated thunderstorms at times late Wednesday night through the upcoming weekend.

Discussion

... Issued at 155 AM CDT Tue Oct 27 2026

The cold front that shifted across our area yesterday morning has stalled across central Illinois and Indiana. Light winds and low dew point depressions near the front may support a ...