New York, NY 74° Los Angeles, CA 81° 🌤️ Chicago, IL Houston, TX 89° 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA Denver, CO 73° Toronto, ON 67° 🌤️ Vancouver, BC
WeatherLive › Illinois › Summit

Summit, IL Weather (60501)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSummit · 10:26 PM CDT
73° | 46°
48°F
Feels like 42°
Mostly cloudy
WindNW 18 mph · Gusts 24 mph
Precip74% · 0.15 in
Humidity83% · Dew point 44°
UV index8 High
Air Quality38 Good
Pressure30.33 inHg
Visibility6 mi
Sunrise / Sunset6:00 AM · 7:50 PM · 13h 50m

Weather map — Summit

Full radar →
Now
48°
26%
18 mph
23:00
49°
26%
19 mph
00:00
49°
26%
21 mph
01:00
49°
26%
22 mph
02:00
49°
27%
23 mph
03:00
49°
27%
25 mph
04:00
49°
26%
26 mph
05:00
49°
26%
27 mph
06:00
50°
27%
27 mph
07:00
50°
27%
27 mph
08:00
50°
27%
28 mph
09:00
50°
27%
29 mph
10:00
50°
26%
28 mph
11:00
51°
25%
29 mph
12:00
51°
26%
30 mph
13:00
51°
27%
31 mph
14:00
51°
24%
31 mph
15:00
51°
28%
30 mph
16:00
51°
28%
31 mph
17:00
51°
27%
31 mph
18:00
51°
29%
30 mph
19:00
51°
29%
31 mph
20:00
51°
29%
30 mph
21:00
51°
30%
30 mph

Today · Sun 8/16

High 73°
74% / 0.15 in

Sunny. Winds NW at 19 mph.

Tonight · Sun 8/16

Low 49°
26% / –

Mostly cloudy. Winds NW at 19 mph.

Tomorrow · Mon 8/17

52° | 49°
28% / –

Mostly cloudy. Winds NW at 31 mph.

7-day trend

Summit · temperature + precipitation

10-day forecast

Updated 10:26 PM

Details & indices

Wind
18 mph NW
Gusts 24 mph
Humidity
83%
Dew point 44°
Pressure
30.33 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 38 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Summit

🌿 Conditions right now

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

Sun & moon

Sunrise6:00 AM
Sunset7:50 PM
Length of day13h 50m
Moonrise10:28 AM
Moonset9:33 PM
Moon phase🌒 Waxing Crescent · 22%
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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Chicago
—
— 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Sunday, August 16
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: 10:26 PM
Weather in Summit
Over the next 10 days Summit tops out around 73° (Sunday) and dips to 46° on the coolest night (Tuesday). About 1.2 in of precipitation is expected in total; the most likely wet day is Tuesday (92% chance). Expect a blustery spell — gusts near 50 mph on Tuesday. No active NWS alerts at the moment — quiet on the hazards front. Right now Summit is about 30° cooler than nearby Indianapolis. 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: 10:26 PM