Forecast
Arlington Heights, IL
Do I need an umbrella tomorrow

Do I need an umbrella tomorrow in Arlington Heights, IL

Updated September 25 · Live conditions refresh automatically.

Umbrella

No need

No need for an umbrella during the day.

Tomorrow24 hours

MustNeedLikely neededLikely no needNo need

No need

Hourly rain conditions

Loading hourly rain details… Chance is shown in percent; rain amount in inches; wind in mph; humidity and cloud cover in percentages.

Peak 7%Total 0 in

Precip (%)

Rain (in)

Hour	Chance	Clouds	Wind	Temp	Feels	Humidity
Mostly cloudy	0%	82%	1 mph G4	61°	63°	87%
Mostly cloudy	0%	84%	1 mph G4	61°	64°	90%
Cloudy	0%	89%	1 mph G4	62°	65°	86%
Cloudy	0%	91%	1 mph G4	62°	65°	86%
Cloudy	1%	93%	1 mph G4	62°	65°	90%
Cloudy	1%	94%	2 mph G4	62°	64°	90%
Cloudy	2%	95%	2 mph G5	62°	64°	86%
Cloudy	3%	95%	2 mph G5	62°	64°	90%
Cloudy	4%	93%	2 mph G6	62°	66°	90%
Cloudy	4%	89%	3 mph G6	63°	70°	84%
Mostly cloudy	4%	87%	3 mph G7	64°	72°	80%
Mostly cloudy	3%	82%	4 mph G8	65°	74°	78%
Mostly cloudy	2%	79%	5 mph G8	67°	75°	70%
Mostly cloudy	2%	74%	5 mph G9	67°	76°	68%
Mostly cloudy	2%	72%	5 mph G9	68°	77°	63%
Mostly cloudy	4%	68%	6 mph G9	67°	75°	63%
Mostly cloudy	7%	63%	6 mph G9	67°	74°	61%
Partly sunny	6%	52%	6 mph G9	66°	71°	63%
Partly sunny	4%	40%	4 mph G8	64°	65°	70%
Mostly clear	2%	30%	3 mph G7	61°	60°	72%
Mostly clear	0%	18%	4 mph G8	59°	57°	74%
Mostly clear	0%	12%	4 mph G7	57°	56°	78%
Clear	0%	4%	3 mph G7	57°	55°	82%
Clear	0%	4%	3 mph G7	56°	54°	85%

Mostly cloudy

Chance 0%Clouds 82%

Rain0 in

Wind1 mph G4

Temp61°

Feels63°

Humidity87%

Mostly cloudy

Chance 0%Clouds 84%

Rain0 in

Wind1 mph G4

Temp61°

Feels64°

Humidity90%

Cloudy

Chance 0%Clouds 89%

Rain0 in

Wind1 mph G4

Temp62°

Feels65°

Humidity86%

Cloudy

Chance 0%Clouds 91%

Rain0 in

Wind1 mph G4

Temp62°

Feels65°

Humidity86%

Cloudy

Chance 1%Clouds 93%

Rain0 in

Wind1 mph G4

Temp62°

Feels65°

Humidity90%

Cloudy

Chance 1%Clouds 94%

Rain0 in

Wind2 mph G4

Temp62°

Feels64°

Humidity90%

Cloudy

Chance 2%Clouds 95%

Rain0 in

Wind2 mph G5

Temp62°

Feels64°

Humidity86%

Cloudy

Chance 3%Clouds 95%

Rain0 in

Wind2 mph G5

Temp62°

Feels64°

Humidity90%

Cloudy

Chance 4%Clouds 93%

Rain0 in

Wind2 mph G6

Temp62°

Feels66°

Humidity90%

Cloudy

Chance 4%Clouds 89%

Rain0 in

Wind3 mph G6

Temp63°

Feels70°

Humidity84%

Mostly cloudy

Chance 4%Clouds 87%

Rain0 in

Wind3 mph G7

Temp64°

Feels72°

Humidity80%

Mostly cloudy

Chance 3%Clouds 82%

Rain0 in

Wind4 mph G8

Temp65°

Feels74°

Humidity78%

Mostly cloudy

Chance 2%Clouds 79%

Rain0 in

Wind5 mph G8

Temp67°

Feels75°

Humidity70%

Mostly cloudy

Chance 2%Clouds 74%

Rain0 in

Wind5 mph G9

Temp67°

Feels76°

Humidity68%

Mostly cloudy

Chance 2%Clouds 72%

Rain0 in

Wind5 mph G9

Temp68°

Feels77°

Humidity63%

Mostly cloudy

Chance 4%Clouds 68%

Rain0 in

Wind6 mph G9

Temp67°

Feels75°

Humidity63%

Mostly cloudy

Chance 7%Clouds 63%

Rain0 in

Wind6 mph G9

Temp67°

Feels74°

Humidity61%

Partly sunny

Chance 6%Clouds 52%

Rain0 in

Wind6 mph G9

Temp66°

Feels71°

Humidity63%

Partly sunny

Chance 4%Clouds 40%

Rain0 in

Wind4 mph G8

Temp64°

Feels65°

Humidity70%

Mostly clear

Chance 2%Clouds 30%

Rain0 in

Wind3 mph G7

Temp61°

Feels60°

Humidity72%

Mostly clear

Chance 0%Clouds 18%

Rain0 in

Wind4 mph G8

Temp59°

Feels57°

Humidity74%

Mostly clear

Chance 0%Clouds 12%

Rain0 in

Wind4 mph G7

Temp57°

Feels56°

Humidity78%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind3 mph G7

Temp57°

Feels55°

Humidity82%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind3 mph G7

Temp56°

Feels54°

Humidity85%

Quick answer — Arlington Heights, IL

No need — Arlington Heights, IL

Do I need an umbrella tomorrow in Arlington Heights, IL: No need. No need for an umbrella during the day.

Verdict: No need
High / Low: 68° / 52°
Details: No need for an umbrella during the day.

Updated 9/25/2026 · Live conditions refresh automatically.