Weather World
Town of Afton, WyomingAfton, WY 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Afton, WY Weather Forecast
Afton, WY Weather Forecast Date: 1001 AM MDT Sun Sep 13 2026
The area/counties/county of: Star Valley, including the cities of: Afton, Alpine, Star Valley Ranch, and Thayne.or toggle through each period.
Today... Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph.
Tonight... Mostly clear in the evening, then partly cloudy with a chance of rain showers after midnight. Breezy with lows in the lower 30s. Northwest winds 15 to 20 mph. Chance of rain 30%.
Monday... Sunny. Highs in the lower 60s. Southwest winds around 10 mph, becoming west in the afternoon.
Monday Night... Mostly clear. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening.
Tuesday... Mostly sunny. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows around 40.
Wednesday... Mostly sunny. A slight chance of. Highs in the mid 70s.
Wednesday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Chance of rain 30%.
Thursday... Partly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 60%.
Thursday Night... A slight chance of thunderstorms in the evening. Partly cloudy with showers likely. Lows around 40. Chance of rain 60%.
Friday... Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30%.
Friday Night... Mostly clear. Lows in the mid 30s.
POP = Probability of Precipitation
Afton Radar Loop
Use the map search tool if you want to place a location marker on the radar map...