Hamilton County, IL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Hamilton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny. High near 55, with temperatures falling to around 52 in the afternoon. North northwest wind 7 to 12 mph.
County Weather Overview
This county weather page brings together forecast coverage for Hamilton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Hamilton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 8:37 AM CST
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton County
Monday looks like the warmest upcoming period in Hamilton County at 68 degrees F.
Tonight is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Today at about 7 to 12 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 8:37 AM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread frost after 10pm. Clear, with a low around 30. North northwest wind 1 to 7 mph.
Widespread frost before 9am. Sunny. High near 55, with temperatures falling to around 51 in the afternoon. North northwest wind 1 to 5 mph.
Widespread frost after 10pm. Mostly clear, with a low around 30. Northwest wind around 1 mph.
Widespread frost before 8am. Sunny, with a high near 62. West southwest wind 1 to 7 mph.
Clear, with a low around 35. West wind around 2 mph.
Sunny, with a high near 68. West southwest wind 0 to 6 mph.
Clear, with a low around 41. Southwest wind around 5 mph.
Sunny, with a high near 68. West southwest wind 2 to 6 mph.
Mostly clear, with a low around 41. North northwest wind around 1 mph.
A slight chance of rain showers after noon. Sunny, with a high near 66. Northwest wind 0 to 6 mph.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 42. Northwest wind around 2 mph.
A slight chance of rain showers. Mostly sunny, with a high near 62. North northwest wind 2 to 12 mph.
Mostly clear, with a low around 35. North northwest wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Mostly Sunny
|
55°F |
7 to 12 mph
NNW
|
|
Tonight
Nov 6
|
Widespread Frost
|
30°F |
1 to 7 mph
NNW
|
|
Saturday
Nov 7
|
Widespread Frost then Sunny
|
55°F |
1 to 5 mph
NNW
|
|
Saturday Night
Nov 7
|
Widespread Frost
|
30°F |
1 mph
NW
|
|
Sunday
Nov 8
|
Widespread Frost then Sunny
|
62°F |
1 to 7 mph
WSW
|
|
Sunday Night
Nov 8
|
Clear
|
35°F |
2 mph
W
|
|
Monday
Nov 9
|
Sunny
|
68°F |
0 to 6 mph
WSW
|
|
Monday Night
Nov 9
|
Clear
|
41°F |
5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
68°F |
2 to 6 mph
WSW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
1 mph
NNW
|
|
Veterans Day
Nov 11
|
Sunny then Slight Chance Rain Showers
|
66°F |
0 to 6 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy then Slight Chance Rain Showers
|
42°F |
2 mph
NW
|
|
Thursday
Nov 12
|
Slight Chance Rain Showers
|
62°F |
2 to 12 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
35°F |
2 to 7 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Hamilton County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Hamilton County.
Largest mapped city population in this region: 2,730.
