Gillette, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gillette, a city in Campbell County, Wyoming.
Today
74°F
Areas Of Smoke
Areas of smoke. Mostly sunny, with a high near 74. Southeast wind 1 to 6 mph, with gusts as high as 20 mph.
7-day forecast for Gillette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Areas Of Smoke | 1 to 6 mph SE | 2% |
| Tonight | 50°F | Mostly Clear | 7 mph SE | 13% |
| Wednesday | 83°F | Sunny | 7 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 7 mph E | 0% |
| Thursday | 91°F | Sunny | 6 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 to 8 mph E | 0% |
| Friday | 96°F | Sunny | 7 mph SW | 0% |
| Friday Night | 62°F | Mostly Clear | 8 to 12 mph SE | 0% |
| Saturday | 95°F | Sunny | 10 to 14 mph NW | 0% |
| Saturday Night | 63°F | Mostly Clear | 10 mph E | 0% |
| Sunday | 95°F | Mostly Sunny | 13 mph W | 2% |
| Sunday Night | 63°F | Partly Cloudy | 7 to 12 mph E | 11% |
| Monday | 93°F | Mostly Sunny | 8 to 13 mph N | 6% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 10 to 14 mph E | 26% |
Forecast source: National Weather Service (api.weather.gov) for Gillette (44.273, -105.499). Updated through the day.
Growing snapshot for Gillette
Last spring frost
May 15
First fall frost
Oct 1
Growing season
136 days
Hardiness zone
4b
More local growing data for Gillette: nearby ZIP 82727 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gillette 4Se, Wy (13.1 mi from Gillette). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.