Weather in Hamilton, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59840
Smoky haze
No government weather alerts were returned for this location at the latest update.
Next hours
60°1% rain
66°1% rain74°0% rain82°0% rain85°0% rain87°0% rain88°0% rain89°0% rain88°0% rain87°0% rain84°0% rain79°0% 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 1%).
It feels like 55°F with winds near 3 mph.
74°F, 0% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 60°F, wind 3 mph, rain chance up to 1%.
UV index is 1.
Hamilton weather today
Smoky haze and 60°F in Hamilton, MT. Today's high is 89°F with a 0% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 38%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hamilton
Sunrise is at 06:31 AM and sunset is at 08:52 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 50°F. The maximum rain chance is 17%.