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Grayslake, IL Weather Forecast

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Grayslake, IL Weather Forecast

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Grayslake IL weather - Clear - 51°F
Clear
51°F
Updated 1:42 am
Feels Like 45°F
Humidity 60%
Wind W 8 mph
Barometer  29.96 in
Dew Point 38°F
Grayslake IL weather - Clear - 11°C
Clear
11°C
Updated 1:42 am
Feels Like 7°C
Humidity 60%
Wind W 13 km/h
Barometer  101.5 kPa
Dew Point 3°C
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Grayslake Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Grayslake, IL Weather - Rest Of Tonight Clear Grayslake, IL Weather - Tuesday Sunny Grayslake, IL Weather - Tuesday Night Partly Cloudy Grayslake, IL Weather - Veterans Day Chance Of Showers Grayslake, IL Weather - Wednesday Night Chance Of Showers Grayslake, IL Weather - Thursday Chance Of Showers Grayslake, IL Weather - Thursday Night Partly Cloudy Grayslake, IL Weather - Friday Partly Cloudy Grayslake, IL Weather - Friday Night Clearing Grayslake, IL Weather - Saturday Mostly Sunny Grayslake, IL Weather - Saturday Night Mostly Clear Grayslake, IL Weather - Sunday Mostly Sunny
Clear Sunny Partly Cloudy Chance of Showers Chance of Showers Chance of Showers Partly Cloudy Partly Cloudy Clearing Mostly Sunny Mostly Clear Mostly Sunny
Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
 Lo: 39°FLo: 4°C Hi: 51°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 45°FHi: 7°C
 Lo: 29°FLo: -2°C Hi: 45°FHi: 7°C
 Lo: 29°FLo: -2°C Hi: 45°FHi: 7°C
 Lo: 31°FLo: -1°C Hi: 49°FHi: 9°C
POP: 50% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1211 AM CST Tue Nov 10 2026 Grayslake, IL Weather - WeatherWorld.com

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Issued: 1106 PM CST Mon Nov 9 2026

Key Messages

  • Dry conditions and warmer temperatures continue through Tuesday.
  • Precipitation chances and cooler temperatures return mid to late week, including periods of lake effect showers.

Discussion

... Issued at 251 PM CST Mon Nov 9 2026

A weak cold front moving through tonight will shift winds to the northwest on Tuesday. Despite the frontal passage, minimal low- level air mass contrast will keep temperatures mild, with highs similar to today, ranging from around 60 degrees north of I-80 to the...