See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
6°
Clear
Feels Like: 12°
Min: 5°
Max: 20°
The next few hours will be clear, with today reaching 20°C and dropping to 7°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:21
Sunrise
19:39
Sunset
Moon
Waxing Crescent
12:41
Moonrise
20:55
Moonset
Daily Forecast
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Wednesday
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Friday
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Thursday
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Weather in Missoula today, September 15, 2026
Expect a muted, overcast feel in Missoula on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 97% by 10:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 20°C and cools toward 5°C. Relative humidity sits between 27% and 93%, reaching its peak around 23:00. Winds stay light, near 2.7 km/h by 16:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 100% near 14:00. The grey theme continues rather than clearing out. Visibility stays near 16.1 km. The sun rises at 07:21 and sets at 19:39, for a total of 12 hours 18 minutes of sunlight today.
Taken together, overcast skies in Missoula on September 15, 2026 favour indoor or covered options, with temperatures near 20°C.
Frequently asked questions about weather in Missoula
How warm does it get in Missoula?
The warmest month in Missoula is July, with average high temperatures of 31°C. The average temperature during this period is around 22°C.
How cold does it get in Missoula?
The coldest month in Missoula is February, with average low temperatures of -8°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Missoula?
The wettest month in Missoula is February, with an average of 66mm of precipitation.
What is the driest time of year in Missoula?
The driest month in Missoula is July, with an average of 13mm of precipitation.
