Greybull, WY Weather & Growing Conditions
Overnight
52°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 52. West northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Areas Of Smoke | 3 mph WNW | 0% |
| Tuesday | 81°F | Areas Of Smoke | 1 to 6 mph WSW | 0% |
| Tuesday Night | 53°F | Smoke | 1 to 10 mph NNW | 6% |
| Wednesday | 88°F | Sunny | 0 to 5 mph SSE | 0% |
| Wednesday Night | 55°F | Mostly Clear | 1 to 7 mph NNE | 0% |
| Thursday | 95°F | Sunny | 1 to 5 mph ESE | 0% |
| Thursday Night | 59°F | Mostly Clear | 1 to 8 mph NNE | 0% |
| Friday | 100°F | Sunny | 1 to 5 mph SE | 0% |
| Friday Night | 62°F | Mostly Clear | 8 mph N | 0% |
| Saturday | 99°F | Sunny | 5 mph NNW | 0% |
| Saturday Night | 63°F | Mostly Clear | 3 to 7 mph N | 0% |
| Sunday | 98°F | Sunny | 3 mph NW | 2% |
| Sunday Night | 62°F | Partly Cloudy | 5 to 8 mph N | 1% |
| Monday | 97°F | Sunny | 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greybull, WY
Last spring frost
May 11
First fall frost
Sep 23
Growing season
133 days
Hardiness zone
4b
Explore more for Greybull, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Greybull, Wy (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.