North Rock Springs, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Rock Springs, a community in Sweetwater County, Wyoming.
This Afternoon
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 58 in the afternoon. West southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for North Rock Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Showers And Thunderstorms Likely | 10 mph WSW | 69% |
| Tonight | 39°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 9 mph W | 36% |
| Sunday | 62°F | Sunny | 5 to 9 mph W | 1% |
| Sunday Night | 38°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Monday | 67°F | Mostly Sunny | 3 mph S | 0% |
| Monday Night | 41°F | Partly Cloudy | 3 mph N | 0% |
| Tuesday | 71°F | Mostly Sunny | 3 to 7 mph S | 7% |
| Tuesday Night | 43°F | Chance Showers And Thunderstorms | 6 mph SW | 31% |
| Wednesday | 69°F | Mostly Sunny | 6 to 10 mph WSW | 9% |
| Wednesday Night | 42°F | Mostly Clear | 6 mph WSW | 2% |
| Thursday | 72°F | Sunny | 3 mph SW | 2% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph SE | 3% |
| Friday | 73°F | Mostly Sunny | 2 to 6 mph S | 6% |
| Friday Night | 46°F | Partly Cloudy | 7 mph S | 9% |
Forecast source: National Weather Service (api.weather.gov) for North Rock Springs (41.669, -109.288). Updated through the day.
Growing snapshot for North Rock Springs
Last spring frost
May 24
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
5a
More local growing data for North Rock Springs: nearby ZIP 82943 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
Eden
Farson
Granger
Green River
James Town
Little America
McKinnon
Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Rock Springs Fire Dept, Wy (9 mi from North Rock Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.