Hamilton, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, IL in one place.
Partly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.
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: Aug 28, 2026 6:50 AM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Hamilton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 6:50 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Monday looks like the warmest upcoming period in Hamilton at 96 degrees F.
Saturday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 6:50 AM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 71.
Mostly sunny, with a high near 94.
Partly cloudy, with a low around 75.
Mostly sunny, with a high near 96.
Mostly clear, with a low around 76.
Sunny, with a high near 95.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.
A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 96.
Mostly clear, with a low around 76.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 95.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny
|
86°F |
5 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
71°F |
10 mph
S
|
|
Sunday
Aug 30
|
Mostly Sunny
|
94°F |
10 to 15 mph
S
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
75°F |
10 to 15 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
96°F |
10 mph
S
|
|
Monday Night
Aug 31
|
Mostly Clear
|
76°F |
5 to 10 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
95°F |
5 to 10 mph
S
|
|
Tuesday Night
Sep 1
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
74°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms
|
96°F |
5 to 10 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
76°F |
5 mph
S
|
|
Thursday
Sep 3
|
Slight Chance Rain Showers
|
95°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.
