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WeatherLive › Illinois › Arlington Heights

Arlington Heights, IL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherArlington Heights · 5:15 PM CDT
28° | 18°
26°C
Feels like 29°
Partly cloudy
WindSE 2 mph · Gusts 3 mph
Precip76% · 0.21 in
Humidity82% · Dew point 22°
UV index4 Moderate
Air Quality78 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset5:57 AM · 7:55 PM · 13h 58m

Weather map — Arlington Heights

Full radar →
Now
23°
58%
5 mph
18:00
23°
37%
2 mph
19:00
23°
0.04 in
4 mph
20:00
21°
0.02 in
4 mph
21:00
21°
0.10 in
5 mph
22:00
21°
30%
5 mph
23:00
20°
33%
4 mph
00:00
21°
15%
4 mph
01:00
21°
30%
3 mph
02:00
21°
26%
3 mph
03:00
21°
37%
4 mph
04:00
21°
59%
6 mph
05:00
21°
55%
4 mph
06:00
20°
0.02 in
3 mph
07:00
21°
0.03 in
2 mph
08:00
21°
34%
8 mph
09:00
21°
18%
8 mph
10:00
23°
14%
7 mph
11:00
24°
8%
9 mph
12:00
24°
7%
6 mph
13:00
27°
4%
9 mph
14:00
27°
3%
9 mph
15:00
27°
4%
10 mph
16:00
27°
6%
9 mph

Today · Thu 8/13

High 28°
76% / 0.21 in

Sunny. Winds SE at 6 mph.

Tonight · Thu 8/13

Low 20°
80% / 0.10 in

Showers. Winds E at 5 mph.

Tomorrow · Fri 8/14

27° | 20°
63% / 0.09 in

Sunny. Winds E at 10 mph.

7-day trend

Arlington Heights · temperature + precipitation

10-day forecast

Updated 5:15 PM

Details & indices

Wind
2 mph SE
Gusts 3 mph
Humidity
82%
Dew point 22°
Pressure
29.91 inHg
Rising
UV index
4 — Moderate
High today
Air Quality
Moderate
AQI 78 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Reduced
Allergy — Arlington Heights

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
None

Sun & moon

Sunrise5:57 AM
Sunset7:55 PM
Length of day13h 58m
Moonrise6:40 AM
Moonset8:24 PM
Moon phase🌔 New Moon
Latitude42.0884°N
Longitude-87.9806°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 6:00 PM (44 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Showers
25° 🌤️
Aurora
—
—
Rockford
Partly cloudy
27° 🌤️
Joliet
—
—
Naperville
Partly cloudy
26°
Data sources · Thursday, August 13
Where the Arlington Heights forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.0884°N, -87.9806°.
NBM + global weather models
Updated: 5:15 PM
Weather in Arlington Heights
The 10-day span for Arlington Heights runs from a high near 31° on Friday down to 17° overnight on Tuesday. Models drop roughly 1.3 in of precipitation across the stretch — watch Saturday (88%). No watches or warnings are active for the area right now. Right now Arlington Heights is running about 53° warmer than Chicago. Longer view: variable mid-latitude weather in every season.
Arlington Heights, IL · Elev 702 ft · 42.09°N, 87.98°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:15 PM