Weather in Garrison, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59731
Smoky haze
No government weather alerts were returned for this location at the latest update.
Next hours
65°0% rain
69°0% rain73°0% rain77°0% rain80°1% rain83°1% rain84°1% rain85°1% rain84°1% rain83°1% rain81°1% rain75°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 60°F with winds near 2 mph.
69°F, 0% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 65°F, wind 2 mph, rain chance up to 1%.
UV index is 1.
Garrison weather today
Smoky haze and 65°F in Garrison, MT. Today's high is 85°F with a 1% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 24%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Garrison
Sunrise is at 06:24 AM and sunset is at 08:48 PM. Tomorrow's forecast calls for Sunny with a high near 79°F and a low near 54°F. The maximum rain chance is 36%.