National Weather Service Forecast for: Polson MT
Issued by: National Weather Service Missoula, MT
Updated: 12:22 am MDT Apr 6, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 38. East northeast wind around 7 mph.
Mostly Cloudy

Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 68. East northeast wind around 5 mph becoming calm  in the morning.
Decreasing
Clouds

Monday
Night
Monday Night: Partly cloudy, with a low around 44. South wind 5 to 9 mph.
Partly Cloudy

Tuesday

Tuesday: A 30 percent chance of rain after noon.  Mostly sunny, with a high near 57. Breezy, with a south wind 11 to 16 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.
Mostly Sunny
then Chance
Rain and
Breezy
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 30. West wind 16 to 21 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 36 mph.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 54.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 32.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 58.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 33.
Mostly Clear

Lo 38 °F Hi 68 °F Lo 44 °F Hi 57 °F Lo 30 °F Hi 54 °F Lo 32 °F Hi 58 °F Lo 33 °F

 

Overnight
 
Mostly cloudy, with a low around 38. East northeast wind around 7 mph.
Monday
 
Mostly cloudy, then gradually becoming sunny, with a high near 68. East northeast wind around 5 mph becoming calm in the morning.
Monday Night
 
Partly cloudy, with a low around 44. South wind 5 to 9 mph.
Tuesday
 
A 30 percent chance of rain after noon. Mostly sunny, with a high near 57. Breezy, with a south wind 11 to 16 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
 
Partly cloudy, with a low around 30. West wind 16 to 21 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
 
Sunny, with a high near 54.
Wednesday Night
 
Mostly clear, with a low around 32.
Thursday
 
Sunny, with a high near 58.
Thursday Night
 
Mostly clear, with a low around 33.
Friday
 
Sunny, with a high near 63.
Friday Night
 
Partly cloudy, with a low around 40.
Saturday
 
A slight chance of rain. Mostly sunny, with a high near 65.
Saturday Night
 
A slight chance of rain. Partly cloudy, with a low around 40.
Sunday
 
A chance of rain. Partly sunny, with a high near 57.

 

Forecast from NOAA-NWS for Polson MT.