Weather in Hamilton, CO
Updated 2026-08-11 09:15 local time · ZIP codes 81638
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
73°1% rain77°1% rain81°1% rain84°1% rain
86°3% rain85°3% rain86°3% rain88°3% rain
87°17% rain85°5% rain82°3% rain67°7% 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 17%).
It feels like 70°F with winds near 2 mph.
73°F, 1% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 73°F, wind 2 mph, rain chance up to 17%.
UV index is 2.
Hamilton weather today
Sunny and 73°F in Hamilton, CO. Today's high is 88°F with a 36% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 30%, pressure is 30.03 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hamilton
Sunrise is at 06:17 AM and sunset is at 08:13 PM. Tomorrow's forecast calls for Sunny with a high near 87°F and a low near 54°F. The maximum rain chance is 57%.