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As of 06:37 CDT

Weather in Grayslake, IL

63°Current weather

Grayslake, Sunday, 9 August, 06:37

Mostly clear. Feels like 63°. High 79°, low 62°.

Pressure30.00 inHg
Wind3.6 mph SW
Humidity94%
Visibility6.2 mi
Dew point61°

10-day forecast for Grayslake, IL: 57° to 87°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

82°
Best day: Wednesday, August 12
79° · 0.91 in
Worst day: Sunday, August 9

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1087° / 69°0.41Rain
MorningOvercast74°feels 75°
AfternoonOvercast87°feels 94°
EveningLight rain71°feels 72°
OvernightRain75°feels 76°
87 °Rain

Grayslake, Monday, 10 August

Rain. High 87°, low 69°.

Pressure29.88 inHg
Wind4 mph NE
Humidity70%
Visibility6.2 mi
Dew point72°
Tue, 1183° / 67°0.54Heavy rain
MorningOvercast72°feels 73°
AfternoonOvercast79°feels 80°
EveningClear75°feels 76°
OvernightClear68°feels 69°
83 °Heavy rain

Grayslake, Tuesday, 11 August

Heavy rain. High 83°, low 67°.

Pressure29.83 inHg
Wind10.9 mph E
Humidity99%
Visibility6.1 mi
Dew point67°
Wed, 1282° / 67°0.02Light rain
MorningClear72°feels 73°
AfternoonMostly clear84°feels 86°
EveningClear71°feels 72°
OvernightClear68°feels 69°
82 °Light rain

Grayslake, Wednesday, 12 August

Light rain. High 82°, low 67°.

Pressure29.83 inHg
Wind7.1 mph NW
Humidity66%
Visibility6.2 mi
Dew point70°
Thu, 1373° / 62°0Overcast
MorningOvercast66°feels 66°
AfternoonOvercast72°feels 72°
EveningOvercast64°feels 64°
OvernightOvercast64°feels 64°
73 °Overcast

Grayslake, Thursday, 13 August

Overcast. High 73°, low 62°.

Pressure30.03 inHg
Wind7.8 mph NE
Humidity57%
Visibility—
Dew point56°
Fri, 1473° / 57°0Partly cloudy
MorningPartly cloudy62°feels 61°
AfternoonPartly cloudy71°feels 71°
EveningPartly cloudy64°feels 63°
OvernightPartly cloudy59°feels 58°
73 °Partly cloudy

Grayslake, Friday, 14 August

Partly cloudy. High 73°, low 57°.

Pressure30.18 inHg
Wind9.6 mph E
Humidity52%
Visibility—
Dew point52°
Sat, 1577° / 58°0Overcast
MorningOvercast65°feels 65°
AfternoonOvercast76°feels 76°
EveningOvercast70°feels 70°
OvernightOvercast66°feels 66°
77 °Overcast

Grayslake, Saturday, 15 August

Overcast. High 77°, low 58°.

Pressure30.21 inHg
Wind9.1 mph E
Humidity46%
Visibility—
Dew point53°
Sun, 1672° / 64°0.04Light rain
MorningLight rain66°feels 66°
AfternoonLight rain71°feels 71°
EveningLight rain71°feels 72°
OvernightLight rain68°feels 69°
72 °Light rain

Grayslake, Sunday, 16 August

Light rain. High 72°, low 64°.

Pressure30.09 inHg
Wind5 mph SE
Humidity69%
Visibility—
Dew point59°
Mon, 1779° / 64°0.04Light rain
MorningLight rain69°feels 69°
AfternoonLight rain78°feels 78°
EveningLight rain70°feels 70°
OvernightLight rain65°feels 65°
79 °Light rain

Grayslake, Monday, 17 August

Light rain. High 79°, low 64°.

Pressure30.06 inHg
Wind10.7 mph NE
Humidity64%
Visibility—
Dew point64°
Tue, 1878° / 61°0Overcast
MorningOvercast65°feels 65°
AfternoonOvercast72°feels 72°
EveningOvercast72°feels 73°
OvernightOvercast66°feels 66°
78 °Overcast

Grayslake, Tuesday, 18 August

Overcast. High 78°, low 61°.

Pressure30.03 inHg
Wind5.8 mph SE
Humidity71%
Visibility—
Dew point60°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Grayslake, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.