Current Conditions

Arlington Heights, Illinois

66°F19°C

Partly Cloudy

Wind

S 5 mph8 km/h

Humidity

67%

Cloud Cover

96%

As of Thursday, July 23, 2026 at 11:54 PM CDT

Today's Outlook

Night

Mostly cloudy, with a low around 64°F18°C. Light wind from the S around 5 mph9 km/h.

7-Day Forecast

Day	Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
FridayJul 24	Partly Cloudy	High 79°F26°C	Low 64°F18°C	Precip 0 in0 mm—	Cloud 64%	Wind S 5 mph8 km/h	Friday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 65°F19°C. Light wind from the SSE around 5 mph7 km/h. Friday Night: Mostly cloudy, with a low around 64°F18°C. Light wind from the S around 5 mph9 km/h.
SaturdayJul 25	Partly Cloudy	High 81°F27°C	Low 65°F18°C	Precip 0 in0.1 mm1%	Cloud 50%	Wind SSW 7 mph11 km/h	Saturday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Breezy from the SSW at 7 to 8 mph12 to 14 km/h. Saturday Night: Partly cloudy, with a low around 65°F18°C. Light wind from the SW around 6 mph10 km/h.
SundayJul 26	Showers	High 90°F32°CFeels 97°F36°C	Low 73°F23°C	Precip 0.06 in1.6 mm19%	Cloud 66%	Wind SW 6 mph10 km/h	Sunday: Mostly cloudy and hot, with a high of 90°F32°C and morning low of 74°F23°C — feels like 97°F36°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. 13% chance of drizzle in the morning. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 12 km/h. 19% chance of showers in the evening.
MondayJul 27	Showers	High 90°F32°CFeels 98°F36°C	Low 75°F24°C	Precip 0.3 in7.7 mm30%	Cloud 45%	Wind SW 7 mph11 km/h	Monday: Partly cloudy and hot, with a high of 90°F32°C and morning low of 75°F24°C — feels like 97°F36°C. Breezy from the SW at 7 mph11 km/h. 30% chance of showers throughout the day. Heat risk in the afternoon. Monday Night: Mostly cloudy, with a low around 76°F25°C. Breezy from the SW at 7 mph11 km/h. 30% chance of showers throughout the night.
TuesdayJul 28	Showers	High 82°F28°CFeels 85°F29°C	Low 72°F22°C	Precip 0.07 in1.9 mm21%	Cloud 32%	Wind NNE 9 mph14 km/h	Tuesday: Partly cloudy and warm, with a high of 82°F28°C and morning low of 74°F24°C. Breezy from the NNE at 10 mph16 km/h. Humid. Tuesday Night: Partly cloudy, with a low around 72°F22°C. Breezy from the NNE at 8 mph13 km/h. 21% chance of showers throughout the night.
WednesdayJul 29	Clear	High 82°F28°C	Low 69°F20°C	Precip 0.02 in0.6 mm8%	Cloud 18%	Wind NE 7 mph11 km/h	Wednesday: Mostly clear and warm, with a high of 82°F28°C and morning low of 70°F21°C. Breezy from the NE at 7 to 8 mph11 to 12 km/h. Wednesday Night: Mostly clear, with a low around 69°F20°C. Breezy from the NNE at 7 to 8 mph11 to 12 km/h.
ThursdayJul 30	Drizzle	High 86°F30°C	Low 69°F20°C	Precip 0.02 in0.6 mm10%	Cloud 27%	Wind ESE 6 mph9 km/h	Thursday: Partly cloudy and warm, with a high of 86°F30°C and morning low of 70°F21°C. Light wind from the E around 6 mph9 km/h. Thursday Night: Partly cloudy, with a low around 69°F20°C. Light wind from the ESE around 5 mph9 km/h. 10% chance of drizzle in the evening.

15-Day Forecast

	Day	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Condition	Wind (mph)
	FridayJul 24	79°F26°C	64°F18°C	0 in0 mm· —	64%	Partly Cloudy	S 5 mph8 km/h
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 65°F19°C. Light wind from the SSE around 5 mph7 km/h. NightMostly cloudy, with a low around 64°F18°C. Light wind from the S around 5 mph9 km/h.
	SaturdayJul 25	81°F27°C	65°F18°C	0 in0.1 mm· 1%	50%	Partly Cloudy	SSW 7 mph11 km/h
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Breezy from the SSW at 7 to 8 mph12 to 14 km/h. NightPartly cloudy, with a low around 65°F18°C. Light wind from the SW around 6 mph10 km/h.
	SundayJul 26	90°F32°C Feels 97°F36°C	73°F23°C	0.06 in1.6 mm· 19%	66%	Showers	SW 6 mph10 km/h
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 74°F23°C — feels like 97°F36°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. 13% chance of drizzle in the morning. Heat risk in the afternoon. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 12 km/h. 19% chance of showers in the evening.
	MondayJul 27	90°F32°C Feels 98°F36°C	75°F24°C	0.3 in7.7 mm· 30%	45%	Showers	SW 7 mph11 km/h
DayPartly cloudy and hot, with a high of 90°F32°C and morning low of 75°F24°C — feels like 97°F36°C. Breezy from the SW at 7 mph11 km/h. 30% chance of showers throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 76°F25°C. Breezy from the SW at 7 mph11 km/h. 30% chance of showers throughout the night.
	TuesdayJul 28	82°F28°C Feels 85°F29°C	72°F22°C	0.07 in1.9 mm· 21%	32%	Showers	NNE 9 mph14 km/h
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 74°F24°C. Breezy from the NNE at 10 mph16 km/h. Humid. NightPartly cloudy, with a low around 72°F22°C. Breezy from the NNE at 8 mph13 km/h. 21% chance of showers throughout the night.
	WednesdayJul 29	82°F28°C	69°F20°C	0.02 in0.6 mm· 8%	18%	Clear	NE 7 mph11 km/h
DayMostly clear and warm, with a high of 82°F28°C and morning low of 70°F21°C. Breezy from the NE at 7 to 8 mph11 to 12 km/h. NightMostly clear, with a low around 69°F20°C. Breezy from the NNE at 7 to 8 mph11 to 12 km/h.
	ThursdayJul 30	86°F30°C	69°F20°C	0.02 in0.6 mm· 10%	27%	Drizzle	ESE 6 mph9 km/h
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 70°F21°C. Light wind from the E around 6 mph9 km/h. NightPartly cloudy, with a low around 69°F20°C. Light wind from the ESE around 5 mph9 km/h. 10% chance of drizzle in the evening.
	FridayJul 31	88°F31°C	72°F22°C	0.07 in1.8 mm· 21%	46%	Drizzle	SW 6 mph10 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 72°F22°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 21% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 72°F22°C. Light wind from the SW around 6 mph9 km/h. 19% chance of drizzle throughout the night.
	SaturdayAug 1	85°F29°C	72°F22°C	0.09 in2.3 mm· 19%	39%	Drizzle	NNW 7 mph11 km/h
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 72°F22°C. Breezy from the NNW at 7 to 8 mph11 to 12 km/h. 18% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 72°F22°C. Breezy from the NW at 7 mph11 km/h. 19% chance of drizzle throughout the night.
	SundayAug 2	83°F28°C	70°F21°C	0.04 in1 mm· 11%	41%	Drizzle	NE 7 mph11 km/h
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 70°F21°C. Breezy from the NNE at 7 to 8 mph11 to 13 km/h. 11% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 70°F21°C. Breezy from the ENE at 7 mph10 km/h. 11% chance of drizzle throughout the night.
	MondayAug 3	85°F29°C	69°F21°C	0.07 in1.9 mm· 17%	49%	Drizzle	S 8 mph12 km/h
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 70°F21°C. Breezy from the S at 8 to 9 mph13 to 15 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the S at 7 to 8 mph12 to 13 km/h. 17% chance of drizzle throughout the night.
	TuesdayAug 4	84°F29°C	71°F22°C	0.14 in3.5 mm· 24%	52%	Showers	SW 8 mph13 km/h
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 71°F22°C. Breezy from the SW at 9 mph14 km/h. 24% chance of showers throughout the day. NightPartly cloudy, with a low around 71°F22°C. Breezy from the SSW at 8 mph12 km/h. 23% chance of showers throughout the night.
	WednesdayAug 5	83°F28°C	69°F21°C	0.12 in3 mm· 18%	46%	Showers	WSW 7 mph12 km/h
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 69°F21°C. Breezy from the WSW at 7 to 8 mph12 to 13 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the SW at 7 mph12 km/h. 18% chance of showers throughout the night.
	ThursdayAug 6	82°F28°C	69°F20°C	0.09 in2.4 mm· 16%	43%	Drizzle	WSW 8 mph12 km/h
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 69°F20°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the SW at 7 mph11 km/h. 13% chance of drizzle throughout the night.
	FridayAug 7	82°F28°C	68°F20°C	0.06 in1.6 mm· 16%	40%	Drizzle	SW 7 mph12 km/h
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 68°F20°C. Breezy from the SW at 8 mph12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the SW at 7 mph11 km/h. 13% chance of drizzle throughout the night.

Nearby Cities

Rolling Meadows2 mi3 km Prospect Heights2 mi4 km Mount Prospect3 mi4 km Palatine3 mi5 km Wheeling4 mi7 km Buffalo Grove4 mi7 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 42.0884°N, 87.9806°W·Elevation: 214m·Timezone: America/Chicago·Population: 75,926