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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.