🌤️ New York, NY 🌤️ Los Angeles, CA 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 83° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 79°
WeatherLiveIllinoisHamilton

Hamilton, IL Weather (62341)

Current WeatherHamilton · 7:35 PM CDT
83° | 63°
81°F
Feels like 84°
Sunny
WindS 5 mph · Gusts 5 mph
Precip12% · –
Humidity68% · Dew point 69°
UV index7 High
Air Quality38 Good
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:19 AM · 7:59 PM · 13h 40m

Weather map — Hamilton

Full radar →
Now
81°
5%
5 mph
20:00
77°
7%
7 mph
21:00
75°
8%
8 mph
22:00
74°
8%
8 mph
23:00
73°
9%
8 mph
00:00
72°
19%
7 mph
01:00
71°
23%
6 mph
02:00
71°
21%
6 mph
03:00
71°
25%
8 mph
04:00
71°
26%
8 mph
05:00
70°
0.02 in
8 mph
06:00
68°
42%
6 mph
07:00
69°
37%
8 mph
08:00
68°
49%
4 mph
09:00
68°
42%
2 mph
10:00
71°
34%
6 mph
11:00
71°
28%
6 mph
12:00
74°
24%
5 mph
13:00
76°
20%
4 mph
14:00
80°
6%
4 mph
15:00
82°
9%
2 mph
16:00
79°
36%
3 mph
17:00
77°
0.06 in
6 mph
18:00
75°
0.03 in
5 mph

Today · Tue 8/18

High 83°
12% / –

Sunny. Winds SW at 10 mph.

Tonight · Tue 8/18

Low 68°
8% / –

Sunny. Winds SW at 8 mph.

Tomorrow · Wed 8/19

82° | 68°
81% / 0.17 in

Showers. Winds W at 8 mph.

7-day trend

Hamilton · temperature + precipitation

10-day forecast

Updated 7:35 PM

Details & indices

Wind
5 mph S
Gusts 5 mph
Humidity
68%
Dew point 69°
Pressure
29.88 inHg
Falling
UV index
7 — High
High today
Air Quality
Good
AQI 38 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Hamilton

🌿 Conditions right now

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

Sun & moon

Sunrise6:19 AM
Sunset7:59 PM
Length of day13h 40m
Moonrise12:53 PM
Moonset10:42 PM
Next full moonAug 27 Sturgeon Moon
Latitude40.3964°N
Longitude-91.3390°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
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Tuesday, August 18
Where the Hamilton 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: 40.3964°N, -91.3390°.
NBM + global weather models
Updated: 7:35 PM
ZIP codes in Hamilton
📮
62334
Hamilton
📮
62341
Hamilton
📮
62349
Hamilton
📮
62354
Hamilton
📮
62358
Hamilton
Weather in Hamilton
Hamilton's outlook: warmest day near 86° (Friday), coldest night about 51° (Thursday). Roughly 0.42 in of rain falls over the period, with Wednesday the most likely wet day (81%). Hold onto the patio furniture Wednesday: gusts could hit 28 mph. Heads up: a Flood Warning is in effect — check the alerts tab before making plans. Right now Hamilton is running about 16° warmer than Rockford. Longer view: variable mid-latitude weather in every season.
Hamilton, IL · Elev 643 ft · 40.40°N, 91.34°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: 7:35 PM