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Westby Weather Forecast
Westby, MT Weather Forecast Date: 336 AM MDT Mon Sep 21 2026
Weather forecast for Westby, MT
Today Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Today... Mostly sunny. Highs in the upper 60s. South wind 10 to 15 mph. |
Tue Hi: 70°FHi: 21°C Lo: 50°F Lo: 10°C |
Tuesday... Partly sunny. Highs around 70. Southeast wind 15 to 20 mph. |
| Wed Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. South wind 10 to 15 mph. |
| Thu Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Mostly clear. Lows around 50. Highs in the lower 80s. |
| Fri Hi: 79°FHi: 26°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny and breezy. Highs in the upper 70s. |
Sat Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Saturday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. |
| Sun Hi: 61°FHi: 16°C |
Sunday... Mostly sunny. Highs in the lower 60s. |
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