National Weather Service Forecast for: Polson MT
Issued by: National Weather Service Missoula, MT
Updated: 1:01 pm MST Feb 2, 2026
 
Tonight

Tonight: Cloudy, with a low around 35. South wind around 5 mph becoming calm after midnight.
Cloudy
 Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Calm wind.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 34. Calm wind.
Mostly Cloudy
 Wednesday

Wednesday: Partly sunny, with a high near 49. Calm wind.
Partly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 32. Calm wind.
Partly Cloudy
 Thursday

Thursday: Sunny, with a high near 50.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 31.
Mostly Clear
 Friday

Friday: Mostly sunny, with a high near 48.
Mostly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 31.
Partly Cloudy
Lo 35 °F Hi 47 °F Lo 34 °F Hi 49 °F Lo 32 °F Hi 50 °F Lo 31 °F Hi 48 °F Lo 31 °F

 

Tonight
 
 Cloudy, with a low around 35. South wind around 5 mph becoming calm after midnight.
Tuesday
 
 Cloudy, then gradually becoming mostly sunny, with a high near 47. Calm wind.
Tuesday Night
 
 Mostly cloudy, with a low around 34. Calm wind.
Wednesday
 
 Partly sunny, with a high near 49. Calm wind.
Wednesday Night
 
 Partly cloudy, with a low around 32. Calm wind.
Thursday
 
 Sunny, with a high near 50.
Thursday Night
 
 Mostly clear, with a low around 31.
Friday
 
 Mostly sunny, with a high near 48.
Friday Night
 
 Partly cloudy, with a low around 31.
Saturday
 
 Partly sunny, with a high near 48.
Saturday Night
 
 Mostly cloudy, with a low around 34.
Sunday
 
 A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
 
 A chance of rain. Mostly cloudy, with a low around 34.
Monday
 
 A chance of rain. Mostly cloudy, with a high near 45.

 

Forecast from NOAA-NWS for Polson MT.