Harman US

Reliance, WY Weather & Growing Conditions

Tonight
47°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms between 1am and 3am, then patchy fog. Mostly cloudy, with a low around 47. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 47°F Showers And Thunderstorms Likely 6 mph S 63%
Saturday 64°F Patchy Fog then Chance Showers And Thunderstorms 3 to 13 mph WSW 62%
Saturday Night 38°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 3 to 10 mph WSW 13%
Sunday 63°F Mostly Sunny 3 to 8 mph W 1%
Sunday Night 39°F Mostly Clear 2 to 7 mph NE 0%
Monday 69°F Sunny 3 mph SSW 0%
Monday Night 43°F Partly Cloudy 3 mph SSW 1%
Tuesday 71°F Mostly Sunny 5 mph SSE 7%
Tuesday Night 43°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SW 18%
Wednesday 70°F Mostly Sunny 2 to 7 mph SW 8%
Wednesday Night 43°F Mostly Clear 5 mph SW 5%
Thursday 72°F Mostly Sunny 1 to 5 mph SE 3%
Thursday Night 45°F Partly Cloudy 5 mph SSE 8%
Friday 74°F Mostly Sunny 2 to 6 mph SW 7%

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

Growing snapshot for Reliance, WY

Last spring frost
May 24
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Rock Springs Fire Dept, Wy (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.