Reliance, WY Weather & Growing Conditions
Overnight
47°F
Patchy Fog
Patchy fog after 4am. Mostly cloudy, with a low around 47. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Fog | 3 mph S | 13% |
| Saturday | 64°F | Patchy Fog then Chance Showers And Thunderstorms | 3 to 12 mph SW | 54% |
| Saturday Night | 36°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 10 mph W | 22% |
| Sunday | 63°F | Mostly Sunny | 3 to 9 mph WSW | 0% |
| Sunday Night | 36°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Monday | 69°F | Sunny | 3 mph WNW | 0% |
| Monday Night | 40°F | Partly Cloudy | 3 mph NE | 1% |
| Tuesday | 71°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SSE | 10% |
| Tuesday Night | 41°F | Chance Showers And Thunderstorms | 6 mph SW | 29% |
| Wednesday | 71°F | Mostly Sunny | 3 to 8 mph SW | 6% |
| Wednesday Night | 41°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 74°F | Sunny | 1 to 5 mph SW | 1% |
| Thursday Night | 43°F | Partly Cloudy | 3 mph S | 2% |
| Friday | 75°F | Mostly Sunny | 2 to 7 mph SSW | 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.