Fort Benton, MT Monthly Weather

Chouteau County11:07 PM MDT47.82°N, 110.67°WElevation 2,621 ft
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October 2026

Sun
Mon
Tue
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Sat
164°/37°0.09 inAvg 68°/37°
264°/39°Avg 67°/36°
379°/39°Avg 67°/36°
470°/35°Avg 66°/36°
579°/35°Avg 66°/35°
687°/42°Avg 65°/35°
784°/42°Avg 64°/34°
876°/37°Avg 64°/34°
980°/37°Avg 64°/33°
1085°/45°<0.01 inAvg 63°/33°
1149°/33°1.19 in0.5 in snowAvg 62°/32°
1237°/32°0.31 in0.5 in snowAvg 62°/32°
1340°/24°0.26 in1.1 in snowAvg 61°/32°
1455°/24°Avg 61°/31°
1560°/27°Avg 60°/31°
1655°/25°Avg 60°/30°
1774°/25°Avg 59°/30°
1877°/36°Avg 59°/30°
1965°/30°Avg 58°/29°
20Avg 58°/29°
21Avg 57°/28°
22Avg 57°/28°
23Avg 56°/28°
24 Mostly Sunny 49°/27°Avg 56°/27°
25 Slight Chance Light Snow 45°/25°Avg 55°/27°
26 Slight Chance Light Snow then Partly Sunny 45°/25°Avg 55°/26°
27 Partly cloudy 48°/28°Avg 54°/26°
28 Sunny 47°/28°Avg 54°/26°
29 Partly cloudy 44°/27°Avg 53°/25°
30Avg 53°/25°
31Avg 52°/25°
Average high67° (normal 63°)
Average low34° (normal 33°)
Warmest / coldest87° / 24°
Precipitation1.85 in (normal 0.59 in to date)

Observed: Fort Benton, 1 km away, records since 1894. 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 4Search index and reflects what the press published. Terms of use.