Polson, MT Monthly Weather

Lake County4:37 PM MDT47.69°N, 114.16°WElevation 2,927 ft
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October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
165°/41°Avg 64°/39°
270°/41°Avg 63°/38°
370°/41°Avg 63°/38°
466°/40°Avg 62°/38°
576°/41°Avg 62°/37°
676°/41°Avg 61°/37°
769°/39°Avg 60°/37°
873°/39°Avg 60°/36°
974°/40°Avg 59°/36°
1070°/46°<0.01 inAvg 58°/36°
1147°/40°<0.01 inAvg 58°/35°
1247°/31°0.15 inAvg 57°/35°
1352°/26°Avg 57°/35°
1458°/36°Avg 56°/34°
1557°/32°Avg 55°/34°
1657°/30°Avg 55°/34°
1772°/31°Avg 54°/33°
1867°/36°Avg 54°/33°
1957°/33°Avg 53°/33°
2057°/35°Avg 52°/32°
21 Sunny 66°/38°Avg 52°/32°
22 Sunny 66°/40°Avg 51°/32°
23 Rain 52°/29°Avg 51°/31°
24 Mostly Sunny 52°/28°Avg 50°/31°
25 Partly Sunny 51°/25°Avg 49°/31°
26 Partly Sunny 52°/26°Avg 49°/30°
27 Chance Light Rain 49°/26°Avg 48°/30°
28 Light rain 43°/35°Avg 48°/30°
29 Sunny 49°/33°Avg 47°/30°
30 Cloudy 53°/37°Avg 47°/29°
31Avg 46°/29°
Average high64° (normal 58°)
Average low37° (normal 36°)
Warmest / coldest76° / 26°
Precipitation0.15 in (normal 0.91 in to date)
Record high today80° (2003)
Record low today19° (1984)

Observed: Skq Dam, 6 km away, records since 1951. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.