Hamilton, IL Weather Forecast

Local 7-day forecast

82°
F

Slight Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, IL in one place.

Saturday, May 30, 2026
Wind: 5 to 10 mph E
Saturday

A slight chance of rain showers before 1pm. Mostly cloudy, with a high near 82.

Local 7-day forecast

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: May 28, 2026 4:39 PM CDT.

The active forecast window currently covers May 30 to Jun 3, 2026 for Hamilton, IL.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 3, 2026
Latest sync
May 28, 2026 4:39 PM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
82°F
Saturday
Next Low
61°F
Saturday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
May 30
Slight Chance Rain Showers
82 °F
/ 61°F
Wind 5 to 10 mph
Sun
May 31
Slight Chance Rain Showers then Partly Sunny
84 °F
/ 61°F
Wind 10 mph
Mon
Jun 1
Chance Showers And Thunderstorms
88 °F
/ 61°F
Wind 5 mph
Tue
Jun 2
Slight Chance Rain Showers then Mostly Sunny
86 °F
/ 59°F
Wind 5 to 10 mph
Wed
Jun 3
Sunny
85 °F
/ 60°F
Wind 5 to 10 mph

This Week in Hamilton

Monday looks like the warmest upcoming period in Hamilton at 88 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph E.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
May 28, 2026 4:39 PM 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 source

Extended Forecast

Saturday Night
May 30
61°F
Mostly Cloudy then Slight Chance Rain Showers
10 mph E

A slight chance of rain showers after 1am. Mostly cloudy, with a low around 61.

Sunday
May 31
84°F
Slight Chance Rain Showers then Partly Sunny
10 mph SE

A slight chance of rain showers before 7am. Partly sunny, with a high near 84.

Sunday Night
May 31
61°F
Partly Cloudy then Chance Showers And Thunderstorms
5 to 10 mph SE

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Monday
Jun 1
88°F
Chance Showers And Thunderstorms
5 mph E

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Monday Night
Jun 1
61°F
Slight Chance Showers And Thunderstorms
5 mph E

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Tuesday
Jun 2
86°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph E

A slight chance of rain showers before 7am. Mostly sunny, with a high near 86.

Tuesday Night
Jun 2
59°F
Mostly Clear
5 mph E

Mostly clear, with a low around 59.

Wednesday
Jun 3
85°F
Sunny
5 to 10 mph SE

Sunny, with a high near 85.

Wednesday Night
Jun 3
60°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 60.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Slight Chance Rain Showers
82°F
5 to 10 mph
E
Saturday Night
May 30
Mostly Cloudy then Slight Chance Rain Showers
61°F
10 mph
E
Sunday
May 31
Slight Chance Rain Showers then Partly Sunny
84°F
10 mph
SE
Sunday Night
May 31
Partly Cloudy then Chance Showers And Thunderstorms
61°F
5 to 10 mph
SE
Monday
Jun 1
Chance Showers And Thunderstorms
88°F
5 mph
E
Monday Night
Jun 1
Slight Chance Showers And Thunderstorms
61°F
5 mph
E
Tuesday
Jun 2
Slight Chance Rain Showers then Mostly Sunny
86°F
5 to 10 mph
E
Tuesday Night
Jun 2
Mostly Clear
59°F
5 mph
E
Wednesday
Jun 3
Sunny
85°F
5 to 10 mph
SE
Wednesday Night
Jun 3
Mostly Clear
60°F
5 mph
SE
Broadway Street in Hamilton  Illinois
Broadway Street in Hamilton Illinois image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.