Afton, WY Weather & Growing Conditions
Today
43°F
Mostly Cloudy
Mostly cloudy. High near 43, with temperatures falling to around 36 in the afternoon. Northeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 43°F | Mostly Cloudy | 1 to 5 mph NE | 5% |
| Tonight | 26°F | Mostly Clear | 3 mph SSW | 0% |
| Thursday | 42°F | Mostly Sunny then Chance Snow Showers | 2 to 6 mph SW | 38% |
| Thursday Night | 26°F | Chance Snow Showers | 5 mph W | 38% |
| Friday | 40°F | Sunny | 2 to 7 mph W | 2% |
| Friday Night | 25°F | Partly Cloudy | 3 mph WNW | 0% |
| Saturday | 47°F | Sunny | 3 mph WNW | 0% |
| Saturday Night | 29°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Sunday | 53°F | Sunny | 7 mph S | 0% |
| Sunday Night | 32°F | Partly Cloudy | 7 mph S | 0% |
| Monday | 52°F | Mostly Sunny | 6 mph S | 0% |
| Monday Night | 32°F | Mostly Cloudy | 6 mph SSE | 1% |
| Tuesday | 50°F | Mostly Sunny | 6 mph WSW | 1% |
| Tuesday Night | 32°F | Partly Cloudy | 5 mph SSW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Afton, WY
Last spring frost
Jun 20
First fall frost
Sep 1
Growing season
71 days
Hardiness zone
5b
Explore more for Afton, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Afton, Wy (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.