Mills, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mills, a town in Natrona County, Wyoming.
Today
79°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 79. East northeast wind around 10 mph.
7-day forecast for Mills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Areas Of Smoke | 10 mph ENE | 1% |
| Tonight | 48°F | Areas Of Smoke | 3 to 17 mph NE | 2% |
| Wednesday | 87°F | Sunny | 2 to 10 mph W | 0% |
| Wednesday Night | 51°F | Mostly Clear | 3 to 10 mph NNW | 0% |
| Thursday | 93°F | Sunny | 5 to 10 mph W | 0% |
| Thursday Night | 56°F | Clear | 2 to 10 mph NNE | 0% |
| Friday | 98°F | Sunny | 5 to 9 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 mph W | 0% |
| Saturday | 98°F | Sunny | 10 to 16 mph W | 0% |
| Saturday Night | 61°F | Mostly Clear | 6 to 9 mph WSW | 0% |
| Sunday | 99°F | Sunny | 9 to 15 mph W | 1% |
| Sunday Night | 61°F | Partly Cloudy | 7 to 12 mph E | 5% |
| Monday | 97°F | Mostly Sunny | 7 to 12 mph W | 4% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 9 mph ENE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Mills (42.850, -106.391). Updated through the day.
Growing snapshot for Mills
Last spring frost
May 10
First fall frost
Sep 29
Growing season
138 days
Hardiness zone
5a
More local growing data for Mills: nearby ZIP 82644 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
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Midwest
Mountain View
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Vista West
Climate data from the nearest NOAA station, Casper Wwtp, Wy (4.3 mi from Mills). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.