Mills, WY Weather & Growing Conditions
Today
79°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 79. East northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Areas Of Smoke | 10 mph ENE | 1% |
| Tonight | 49°F | Areas Of Smoke | 2 to 17 mph ENE | 2% |
| Wednesday | 88°F | Sunny | 2 to 10 mph W | 0% |
| Wednesday Night | 52°F | Mostly Clear | 3 to 10 mph NW | 0% |
| Thursday | 94°F | Sunny | 5 to 10 mph W | 0% |
| Thursday Night | 57°F | Clear | 3 to 10 mph NE | 0% |
| Friday | 98°F | Sunny | 5 to 9 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 mph W | 0% |
| Saturday | 99°F | Sunny | 9 to 16 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 6 to 9 mph WSW | 0% |
| Sunday | 99°F | Sunny | 8 to 15 mph W | 1% |
| Sunday Night | 62°F | Partly Cloudy | 7 to 12 mph E | 5% |
| Monday | 98°F | Mostly Sunny | 7 to 12 mph W | 4% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 9 mph ENE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mills, WY
Last spring frost
May 10
First fall frost
Sep 29
Growing season
138 days
Hardiness zone
5a
Explore more for Mills, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Casper Wwtp, Wy (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.