Miles City, MT Monthly Weather

Custer County9:11 AM MDT46.41°N, 105.84°WElevation 2,369 ft
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October 2026

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Mon
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164°/48°Avg 68°/41°
275°/48°Avg 67°/40°
370°/46°<0.01 inAvg 66°/40°
477°/39°Avg 66°/39°
585°/48°Avg 65°/39°
678°/41°Avg 65°/38°
772°/40°Avg 64°/38°
878°/41°Avg 63°/38°
986°/43°Avg 63°/37°
1067°/46°0.02 inAvg 62°/37°
1147°/41°0.58 inAvg 62°/36°
1243°/37°0.04 inAvg 61°/36°
1355°/33°Avg 60°/35°
1461°/31°Avg 60°/35°
1549°/28°Avg 59°/34°
1666°/25°Avg 59°/34°
1777°/35°Avg 58°/33°
1864°/36°Avg 58°/33°
1971°/40°Avg 57°/32°
20 Sunny 69°/39°Avg 57°/32°
21 Mostly Sunny 71°/46°Avg 56°/31°
22 Sunny 75°/51°Avg 56°/31°
23 Partly Sunny then Chance Rain Showers 72°/38°Avg 55°/30°
24 Mostly Sunny 52°/31°Avg 54°/30°
25 Sunny 55°/31°Avg 54°/30°
26 Mostly Sunny 53°/31°Avg 54°/29°
27 Sunny 53°/35°Avg 53°/29°
28 Mostly sunny 47°/26°Avg 52°/28°
29 Mostly sunny 43°/26°Avg 52°/28°
30Avg 52°/27°
31Avg 51°/27°
Average high68° (normal 62°)
Average low39° (normal 37°)
Warmest / coldest86° / 25°
Precipitation0.64 in (normal 0.68 in to date)
Record high today82° (2003)
Record low today13° (1987)

Observed: Miles City Airport, 4 km away, records since 1937. 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.