Hamilton, MT Monthly Weather

Ravalli County5:06 AM MDT46.25°N, 114.16°WElevation 3,570 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
159°/39°
264°/41°
368°/37°
472°/42°
570°/45°
665°/39°
768°/39°
867°/40°
964°/36°
1039°/28°0.30 in
1128°/24°0.30 in
1231°/24°
1339°/25°
1442°/27°
1551°/28°0.10 in
1661°/32°
17
18
19
20
21
22 Mostly Sunny then Slight Chance Showers And Thunderstorms 68°/40°
23 Light Rain 48°/29°
24 Mostly Sunny 52°/29°
25 Mostly Sunny 54°/28°
26 Slight Chance Light Snow 53°/28°
27 Slight Chance Rain And Snow then Mostly Sunny 53°/28°
28 Partly cloudy 50°/37°
29 Partly cloudy 54°/36°
30 Cloudy 59°/35°
31
Average high56°
Average low34°
Warmest / coldest72° / 24°
Precipitation0.70 in (normal 2.26 in to date)
Record high today74° (2003)
Record low today10° (1984)

Observed: Twin Lakes, 29 km away, records since 1983. 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.