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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.

Today
63°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 63, with temperatures falling to around 60 in the afternoon. West wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for North Rock Springs

WhenTempForecastWindPrecip
Today 63°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 to 12 mph W 53%
Tonight 36°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph W 19%
Sunday 63°F Sunny 5 to 10 mph W 0%
Sunday Night 37°F Mostly Clear 2 to 7 mph NNW 0%
Monday 69°F Sunny 3 mph SW 0%
Monday Night 41°F Partly Cloudy 3 mph E 1%
Tuesday 71°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph S 11%
Tuesday Night 42°F Chance Showers And Thunderstorms 6 mph SW 31%
Wednesday 71°F Mostly Sunny 3 to 9 mph SW 7%
Wednesday Night 42°F Mostly Clear 6 mph SW 4%
Thursday 74°F Sunny 1 to 5 mph SW 1%
Thursday Night 44°F Partly Cloudy 3 mph S 3%
Friday 74°F Mostly Sunny 2 to 7 mph SSW 7%
Friday Night 45°F Partly Cloudy 7 mph SSW 11%

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

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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 19, 2026.