Current Conditions
Grayslake, Illinois
Wind
SW 4 mph7 km/h
Humidity
72%
Cloud Cover
96%
As of Friday, July 24, 2026 at 3:06 AM CDT
Today's Outlook
Day
Mostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Breezy from the S at 5 to 7 mph8 to 11 km/h.
Night
Mostly cloudy, with a low around 65°F18°C. Breezy from the S at 6 to 7 mph10 to 12 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| FridayJul 24 | Partly Cloudy | High 78°F26°C | Low 65°F18°C | Precip 0 in0 mm— | Cloud 64% | Wind S 6 mph9 km/h | Friday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Breezy from the S at 5 to 7 mph8 to 11 km/h. Friday Night: Mostly cloudy, with a low around 65°F18°C. Breezy from the S at 6 to 7 mph10 to 12 km/h. |
| SaturdayJul 25 | Drizzle | High 81°F27°CFeels 84°F29°C | Low 66°F19°C | Precip 0.01 in0.2 mm13% | Cloud 51% | Wind SW 7 mph12 km/h | Saturday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 67°F20°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. 13% chance of drizzle. Humid. Saturday Night: Partly cloudy, with a low around 66°F19°C. Breezy from the SW at 7 mph11 km/h. |
| SundayJul 26 | Showers | High 88°F31°CFeels 94°F35°C | Low 73°F23°C | Precip 0.07 in1.7 mm19% | Cloud 60% | Wind SW 7 mph11 km/h | Sunday: Mostly cloudy and hot, with a high of 88°F31°C and morning low of 74°F23°C — feels like 95°F35°C. Breezy from the SW at 6 to 8 mph10 to 12 km/h. 13% chance of drizzle in the afternoon. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 19% chance of showers in the evening. |
| MondayJul 27 | Showers | High 86°F30°CFeels 93°F34°C | Low 75°F24°C | Precip 0.3 in7.5 mm32% | Cloud 47% | Wind SW 7 mph12 km/h | Monday: Partly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C — feels like 93°F34°C. Breezy from the SW at 7 mph12 km/h. 32% chance of showers throughout the day. Heavy, humid air. Monday Night: Partly cloudy, with a low around 76°F24°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 32% chance of showers throughout the night. |
| TuesdayJul 28 | Showers | High 81°F27°CFeels 84°F29°C | Low 73°F23°C | Precip 0.08 in2.1 mm24% | Cloud 32% | Wind NNE 9 mph14 km/h | Tuesday: Partly cloudy and warm, with a high of 81°F27°C and morning low of 73°F23°C. Breezy from the NNE at 9 to 10 mph15 to 16 km/h. 12% chance of drizzle throughout the day. Humid. Tuesday Night: Partly cloudy, with a low around 73°F23°C. Breezy from the NNE at 8 to 9 mph13 to 14 km/h. 24% chance of showers throughout the night. |
| WednesdayJul 29 | Clear | High 81°F27°C | Low 69°F21°C | Precip 0.02 in0.5 mm4% | Cloud 16% | Wind NE 7 mph11 km/h | Wednesday: Mostly clear and warm, with a high of 81°F27°C and morning low of 70°F21°C. Breezy from the NE at 7 to 8 mph12 to 13 km/h. Wednesday Night: Mostly clear, with a low around 69°F21°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. |
| ThursdayJul 30 | Clear | High 85°F29°C | Low 70°F21°C | Precip 0.03 in0.8 mm9% | Cloud 32% | Wind SSE 6 mph10 km/h | Thursday: Partly cloudy and warm, with a high of 85°F29°C and morning low of 71°F22°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h. Thursday Night: Partly cloudy, with a low around 70°F21°C. Light wind from the SSE around 6 mph10 km/h. |
15-Day Forecast
| Day | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Condition | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| FridayJul 24 | 78°F26°C | 65°F18°C | 0 in0 mm· — | 64% | Partly Cloudy | S 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Breezy from the S at 5 to 7 mph8 to 11 km/h. NightMostly cloudy, with a low around 65°F18°C. Breezy from the S at 6 to 7 mph10 to 12 km/h. | |||||||
| SaturdayJul 25 | 81°F27°C Feels 84°F29°C | 66°F19°C | 0.01 in0.2 mm· 13% | 51% | Drizzle | SW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 67°F20°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. 13% chance of drizzle. Humid. NightPartly cloudy, with a low around 66°F19°C. Breezy from the SW at 7 mph11 km/h. | |||||||
| SundayJul 26 | 88°F31°C Feels 94°F35°C | 73°F23°C | 0.07 in1.7 mm· 19% | 60% | Showers | SW 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 74°F23°C — feels like 95°F35°C. Breezy from the SW at 6 to 8 mph10 to 12 km/h. 13% chance of drizzle in the afternoon. Heavy, humid air. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 19% chance of showers in the evening. | |||||||
| MondayJul 27 | 86°F30°C Feels 93°F34°C | 75°F24°C | 0.3 in7.5 mm· 32% | 47% | Showers | SW 7 mph12 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C — feels like 93°F34°C. Breezy from the SW at 7 mph12 km/h. 32% chance of showers throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 76°F24°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 32% chance of showers throughout the night. | |||||||
| TuesdayJul 28 | 81°F27°C Feels 84°F29°C | 73°F23°C | 0.08 in2.1 mm· 24% | 32% | Showers | NNE 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 73°F23°C. Breezy from the NNE at 9 to 10 mph15 to 16 km/h. 12% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 73°F23°C. Breezy from the NNE at 8 to 9 mph13 to 14 km/h. 24% chance of showers throughout the night. | |||||||
| WednesdayJul 29 | 81°F27°C | 69°F21°C | 0.02 in0.5 mm· 4% | 16% | Clear | NE 7 mph11 km/h | |
DayMostly clear and warm, with a high of 81°F27°C and morning low of 70°F21°C. Breezy from the NE at 7 to 8 mph12 to 13 km/h. NightMostly clear, with a low around 69°F21°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. | |||||||
| ThursdayJul 30 | 85°F29°C | 70°F21°C | 0.03 in0.8 mm· 9% | 32% | Clear | SSE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 71°F22°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h. NightPartly cloudy, with a low around 70°F21°C. Light wind from the SSE around 6 mph10 km/h. | |||||||
| FridayJul 31 | 85°F29°C | 73°F23°C | 0.11 in2.8 mm· 27% | 55% | Showers | SW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 73°F23°C. Breezy from the SW at 7 mph11 km/h. 22% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 27% chance of showers throughout the night. | |||||||
| SaturdayAug 1 | 83°F28°C | 72°F22°C | 0.13 in3.2 mm· 26% | 46% | Showers | NNW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the NNW at 7 mph11 km/h. 22% chance of showers throughout the day. Humid. NightPartly cloudy, with a low around 72°F22°C. Breezy from the NW at 7 mph11 km/h. 26% chance of showers throughout the night. | |||||||
| SundayAug 2 | 81°F27°C | 70°F21°C | 0.07 in1.7 mm· 12% | 36% | Drizzle | NNE 7 mph12 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 70°F21°C. Breezy from the NNE at 8 mph13 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the NNE at 7 mph11 km/h. 12% chance of drizzle throughout the night. | |||||||
| MondayAug 3 | 82°F28°C | 69°F21°C | 0.05 in1.2 mm· 12% | 44% | Drizzle | S 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 69°F21°C. Breezy from the S at 8 to 9 mph12 to 14 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the S at 8 mph12 km/h. 11% chance of drizzle throughout the night. | |||||||
| TuesdayAug 4 | 83°F28°C | 71°F22°C | 0.09 in2.4 mm· 18% | 50% | Drizzle | SSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 71°F22°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 71°F22°C. Breezy from the SSW at 9 mph14 km/h. 18% chance of drizzle throughout the night. | |||||||
| WednesdayAug 5 | 82°F28°C | 70°F21°C | 0.08 in2 mm· 15% | 43% | Drizzle | WSW 8 mph13 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 70°F21°C. Breezy from the WSW at 8 mph13 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 13% chance of drizzle throughout the night. | |||||||
| ThursdayAug 6 | 82°F28°C | 69°F21°C | 0.07 in1.9 mm· 18% | 43% | Drizzle | SSW 8 mph13 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 69°F21°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the SSW at 8 mph13 km/h. 18% chance of drizzle throughout the night. | |||||||
| FridayAug 7 | 82°F28°C | 69°F21°C | 0.07 in1.7 mm· 13% | 41% | Drizzle | SSW 8 mph13 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 69°F21°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 13% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the SSW at 8 mph13 km/h. 10% chance of drizzle throughout the night. | |||||||
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About This Forecast
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Coordinates: 42.3445°N, 88.0417°W·Elevation: 239m·Timezone: America/Chicago·Population: 20,915