Weather in Hamilton, IL
Updated 2026-08-11 12:00 local time · ZIP codes 62341

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
88°2% rain
100°1% rain
100°1% rain
100°1% rain
99°1% rain
97°1% rain
95°1% rain
91°1% rain
87°3% rain
84°4% rain
83°4% rain
81°5% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 93°F with winds near 13 mph.
87°F, 3% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 23 mph.
Current temperature is 88°F, wind 13 mph, rain chance up to 5%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Hamilton weather today
Sunny and 88°F in Hamilton, IL. Today's high is 100°F with a 4% rain chance. Winds are around 13 mph with gusts near 17 mph. Relative humidity is 66%, pressure is 29.89 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Hamilton
Sunrise is at 06:12 AM and sunset is at 08:08 PM. Tomorrow's forecast calls for Sunny with a high near 87°F and a low near 72°F. The maximum rain chance is 57%.