Gillette, WY Weather & Growing Conditions
Today
76°F
Areas Of Smoke
Areas of smoke. Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. Southeast wind around 5 mph, with gusts as high as 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Areas Of Smoke | 5 mph SE | 1% |
| Tonight | 48°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph SE | 16% |
| Wednesday | 85°F | Sunny | 7 mph S | 0% |
| Wednesday Night | 52°F | Mostly Clear | 3 to 7 mph E | 0% |
| Thursday | 93°F | Sunny | 3 to 7 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 7 mph E | 0% |
| Friday | 98°F | Sunny | 2 to 7 mph W | 0% |
| Friday Night | 61°F | Mostly Clear | 9 mph SE | 0% |
| Saturday | 98°F | Sunny | 8 to 13 mph NW | 0% |
| Saturday Night | 61°F | Mostly Clear | 6 to 12 mph E | 1% |
| Sunday | 97°F | Mostly Sunny | 6 to 13 mph SW | 2% |
| Sunday Night | 61°F | Partly Cloudy | 5 to 13 mph NE | 14% |
| Monday | 96°F | Mostly Sunny | 5 to 14 mph NE | 7% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 7 to 14 mph E | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gillette, WY
Last spring frost
May 15
First fall frost
Oct 1
Growing season
136 days
Hardiness zone
4b
Explore more for Gillette, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Gillette 4Se, Wy (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.