Basin, WY Monthly Weather

Big Horn County1:19 AM MDT44.38°N, 108.04°WElevation 3,878 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
187°/41°Avg 71°/42°
287°/41°Avg 71°/41°
3Avg 70°/41°
4Avg 70°/40°
587°/40°Avg 69°/40°
690°/40°Avg 68°/40°
790°/39°Avg 68°/39°
890°/34°Avg 67°/39°
990°/37°Avg 67°/38°
10Avg 66°/38°
11Avg 66°/38°
1290°/34°Avg 65°/37°
1390°/34°Avg 64°/37°
1490°/34°Avg 64°/36°
1590°/34°Avg 63°/36°
1690°/27°Avg 63°/36°
17Avg 62°/35°
18Avg 62°/35°
19Avg 61°/34°
20Avg 61°/34°
21Avg 60°/33°
22Avg 60°/33°
23Avg 59°/32°
24 Mostly Sunny 53°/34°Avg 58°/32°
25 Sunny 59°/33°Avg 58°/32°
26 Sunny 59°/32°Avg 58°/31°
27 Sunny 51°/29°Avg 57°/31°
28 Mostly sunny 51°/29°Avg 56°/30°
29 Cloudy 47°/29°Avg 56°/30°
30Avg 55°/30°
31Avg 55°/29°
Average high89° (normal 67°)
Average low36° (normal 38°)
Warmest / coldest90° / 27°
Precipitation0.00 in (normal 0.37 in to date)

Observed: Basin, 0 km away, records since 1898. 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.