Weather in Westby, MT
Updated 2026-08-11 11:00 local time · ZIP codes 59275
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
69°1% rain75°1% rain78°1% rain80°1% rain80°1% rain80°1% rain80°1% rain79°1% rain78°1% rain73°1% rain
68°1% rain65°2% 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 2%).
It feels like 69°F with winds near 5 mph.
69°F, 1% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 24 mph.
Current temperature is 69°F, wind 5 mph, rain chance up to 2%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Westby weather today
Sunny and 69°F in Westby, MT. Today's high is 80°F with a 3% rain chance. Winds are around 5 mph with gusts near 6 mph. Relative humidity is 53%, pressure is 30.01 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Westby
Sunrise is at 05:44 AM and sunset is at 08:20 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 59°F. The maximum rain chance is 17%.