Harman US

Alcova, WY Weather & Growing Conditions

Tonight
49°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 49. South southwest wind 1 to 6 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Chance Showers And Thunderstorms 1 to 6 mph SSW 36%
Saturday 72°F Patchy Fog then Slight Chance Showers And Thunderstorms 1 to 13 mph WSW 45%
Saturday Night 40°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 2 to 10 mph W 66%
Sunday 63°F Chance Showers And Thunderstorms 2 to 7 mph W 47%
Sunday Night 37°F Partly Cloudy 0 to 6 mph NNW 5%
Monday 71°F Sunny 2 mph SW 0%
Monday Night 40°F Mostly Clear 1 mph WNW 0%
Tuesday 77°F Mostly Sunny 0 to 3 mph WNW 1%
Tuesday Night 44°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 mph SW 16%
Wednesday 76°F Mostly Sunny 2 to 8 mph SW 9%
Wednesday Night 43°F Mostly Clear 0 to 3 mph NW 5%
Thursday 78°F Mostly Sunny 0 to 3 mph W 3%
Thursday Night 45°F Partly Cloudy 3 mph SE 8%
Friday 79°F Mostly Sunny 0 to 9 mph SSW 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Alcova, WY

Last spring frost
May 9
First fall frost
Oct 7
Growing season
148 days
Hardiness zone
5a

Explore more for Alcova, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Pathfinder Dam, Wy (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.