New York, NY 21° Los Angeles, CA 35° Chicago, IL 28° Houston, TX 32° Miami, FL 29° Phoenix, AZ 49° Seattle, WA 24° Denver, CO 20° Toronto, ON 20° Vancouver, BC 20°
WeatherLive › Illinois › Summit

Summit, IL Weather (60501)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSummit · 9:07 PM CDT
30° | 19°
21°C
Feels like 20°
Sunny
WindNW 9 mph · Gusts 23 mph
Precip8% · –
Humidity71% · Dew point 16°
UV index7 High
Air Quality41 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:06 AM · 7:41 PM · 13h 35m

Weather map — Summit

Full radar →
Now
21°
6%
9 mph
22:00
20°
7%
9 mph
23:00
20°
6%
7 mph
00:00
19°
5%
5 mph
01:00
18°
7%
4 mph
02:00
17°
9%
4 mph
03:00
17°
12%
3 mph
04:00
16°
12%
4 mph
05:00
16°
12%
4 mph
06:00
18°
7%
4 mph
07:00
18°
5%
5 mph
08:00
19°
3%
7 mph
09:00
20°
2%
7 mph
10:00
22°
1%
9 mph
11:00
23°
1%
9 mph
12:00
24°
9%
10 mph
13:00
25°
9%
9 mph
14:00
26°
1%
5 mph
15:00
26°
1%
4 mph
16:00
26°
1%
4 mph
17:00
25°
1%
4 mph
18:00
23°
2%
9 mph
19:00
22°
2%
6 mph
20:00
21°
12%
1 mph

Today · Sat 8/22

High 30°
8% / –

Sunny. Winds NW at 14 mph.

Tonight · Sat 8/22

Low 16°
7% / –

Sunny. Winds NW at 9 mph.

Tomorrow · Sun 8/23

26° | 16°
4% / –

Sunny. Winds N at 10 mph.

7-day trend

Summit · temperature + precipitation

10-day forecast

Updated 9:07 PM

Details & indices

Wind
9 mph NW
Gusts 23 mph
Humidity
71%
Dew point 16°
Pressure
29.94 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 41 · US EPA
Allergy
High
Mugwort
Visibility
6 mi
Clear view
Allergy — Summit

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:06 AM
Sunset7:41 PM
Length of day13h 35m
Moonrise4:42 PM
Moonset12:19 AM
Moon phase🌔 Waxing Gibbous · 77%
Next full moonAug 27 Sturgeon Moon
Latitude41.7881°N
Longitude-87.8103°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
28°
Aurora
Sunny
20° 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Saturday, August 22
Where the Summit 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: 41.7881°N, -87.8103°.
NBM + global weather models
Updated: 9:07 PM
Weather in Summit
Over the next 10 days Summit tops out around 30° (Saturday) and dips to 16° on the coolest night (Sunday). About 0.74 in of precipitation is expected in total; the most likely wet day is Saturday (83% chance). Expect a blustery spell — gusts near 27 mph on Monday. No active NWS alerts at the moment — quiet on the hazards front. Right now Summit is running about 50° warmer than Aurora. Longer view: variable mid-latitude weather in every season.
Summit, IL · Elev 614 ft · 41.79°N, 87.81°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: 9:07 PM