Greybull, WY 82426 Monthly Weather

Big Horn County8:29 PM MDT44.49°N, 108.08°W
← 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°
22 Mostly Sunny 74°/54°Avg 60°/33°
23 Mostly Sunny then Chance Rain Showers 72°/34°Avg 59°/32°
24 Mostly Sunny 50°/29°Avg 58°/32°
25 Sunny 53°/28°Avg 58°/32°
26 Sunny 54°/29°Avg 58°/31°
27 Mostly Sunny 59°/31°Avg 57°/31°
28 Mostly Sunny 56°/29°Avg 56°/30°
29 Mostly sunny 48°/27°Avg 56°/30°
30 Sunny 52°/25°Avg 55°/30°
31 Partly cloudy 51°/28°Avg 55°/29°
Average high89° (normal 67°)
Average low36° (normal 38°)
Warmest / coldest90° / 27°
Precipitation0.00 in (normal 0.37 in to date)
Record high today81° (2003)
Record low today12° (1949)

Observed: Basin, 13 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.