Hamilton, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, IL in one place.
Sunny, with a high near 92.
Local Weather Overview
This forecast page for Hamilton, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 12, 2026 6:19 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Hamilton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 6:19 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Wednesday looks like the warmest upcoming period in Hamilton at 94 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 12, 2026 6:19 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 72.
Sunny, with a high near 94.
Clear, with a low around 73.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Sunny, with a high near 94.
Mostly clear, with a low around 75.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 5 mph
N
|
|
Tuesday Night
Jul 14
|
Clear
|
72°F |
0 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
0 to 5 mph
N
|
|
Wednesday Night
Jul 15
|
Clear
|
73°F |
0 to 5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
74°F |
5 mph
S
|
|
Friday
Jul 17
|
Sunny
|
94°F |
5 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
75°F |
10 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.