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City of Hamilton, MTHamilton, MT 7-Day Weather Forecast
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Hamilton Weather Forecast
Hamilton, MT Weather Forecast Date: 1223 PM MDT Sat Sep 26 2026
Weather forecast for Hamilton, MT
Tonight Lo: 33°F Lo: 1°C |
Tonight... Mostly clear until early morning then becoming mostly cloudy. Lows in the lower to mid 30s. |
Sun Hi: 63°FHi: 17°C Lo: 40°F Lo: 4°C |
Sunday... Mostly cloudy. Highs in the lower to mid 60s. |
Mon Hi: 66°FHi: 19°C Lo: 37°F Lo: 3°C |
Monday... Mostly sunny. Highs in the mid 60s to lower 70s. |
| Tue Hi: 70°FHi: 21°C Lo: 43°F Lo: 6°C |
Tuesday... Mostly sunny. Highs near 70. |
Wed Hi: 67°FHi: 19°C Lo: 40°F Lo: 4°C |
Wednesday... Partly cloudy. A 20% chance of rain in the morning. Highs in the mid to upper 60s. |
| Thu Hi: 70°FHi: 21°C Lo: 43°F Lo: 6°C |
Thursday... Mostly sunny. Highs near 70. |
Fri Hi: 67°FHi: 19°C Lo: 40°F Lo: 4°C |
Friday... Partly cloudy. Highs in the mid to upper 60s. |
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