AQAMT The Air Quality Alert for Broadwater, Sweet Grass and Yellowstone Counties has been cancelled. For more information visit the Montana Department of Environmental Quality at www.todaysair.mt.gov
Weather in Jefferson City, MT
Updated 2026-08-11 11:45 local time · ZIP codes 59638

Sunny
Active alerts
Next hours
72°0% rain
84°0% rain
85°1% rain
86°0% rain
87°1% rain
87°1% rain
85°1% rain
83°1% rain
71°1% rain
63°1% rain
60°1% rain
59°1% 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 72°F with winds near 3 mph.
71°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 72°F, wind 3 mph, rain chance up to 1%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Jefferson City weather today
Sunny and 72°F in Jefferson City, MT. Today's high is 87°F with a 0% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 26%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Jefferson City
Sunrise is at 06:21 AM and sunset is at 08:44 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 50°F. The maximum rain chance is 36%.