Fort Harrison, MT 7-Day Weather Forecast

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Fort Harrison, MT 7-Day Weather Forecast

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Fort Harrison MT weather  - Clear - 55°F
Clear
55°F
Updated 1:54 am
Feels Like 42°F
Humidity 56%
Wind N 0 mph
Barometer  30.32 in
Dew Point 40°F
Fort Harrison MT weather  - Clear - 13°C
Clear
13°C
Updated 1:54 am
Feels Like 6°C
Humidity 56%
Wind N 0 km/h
Barometer  102.6 kPa
Dew Point 4°C
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Fort Harrison Weather Forecast

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Fort Harrison, MT Weather Forecast Date: 1232 AM MDT Wed Sep 09 2026

Weather forecast for Fort Harrison, MT


Tonight
Fort Harrison MT Weather for Tonight - Partly Cloudy
Lo: 49°F
Lo: 9°C
Tonight... Breezy. Partly cloudy. Highs in the lower 70s. Lows 43 to 53. Southwest winds 5 to 25 mph with gusts to around 65 mph.
Thu
Fort Harrison MT Weather for Thursday - Mostly Cloudy
Hi: 75°FHi: 24°C
Lo: 45°F
Lo: 7°C
Thursday... Breezy. Mostly cloudy. Highs in the mid 70s. Southwest winds 10 to 25 mph. Gusts up to 60 mph Decreasing to 40 mph in the afternoon.
Fri
Fort Harrison MT Weather for Friday - Showers Likely
Hi: 59°FHi: 15°C
Lo: 41°F
Lo: 5°C
Friday... Cooler. Mostly cloudy. Rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the upper 50s. North winds up to 10 mph. Chance of showers 70%.
Sat
Fort Harrison MT Weather for Saturday - Chance Of Rain
Hi: 51°FHi: 11°C
Lo: 39°F
Lo: 4°C
Saturday... Mostly cloudy. Rain likely in the morning, then chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 70%.
Sun
Fort Harrison MT Weather for Sunday - Snow Showers
Hi: 49°FHi: 9°C
Lo: 39°F
Lo: 4°C
Sunday... Rain showers and snow showers in the morning, then rain showers likely in the afternoon. Highs in the upper 40s. Chance of precipitation 80%.
Mon
Fort Harrison MT Weather for Monday - Partly Cloudy
Hi: 59°FHi: 15°C
Lo: 39°F
Lo: 4°C
Monday... Warmer. Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.
Tue
Fort Harrison MT Weather for Tuesday - Rain Showers
Hi: 59°FHi: 15°C
Lo: 39°F
Lo: 4°C
Tuesday... Mostly sunny with a 20% chance of rain showers. Highs in the upper 50s.

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