James Town, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for James Town, a community in Sweetwater County, Wyoming.
Today
46°F
Mostly Cloudy
Mostly cloudy, with a high near 46. West wind around 5 mph.
7-day forecast for James Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Mostly Cloudy | 5 mph W | 8% |
| Tonight | 25°F | Partly Cloudy | 1 to 5 mph WSW | 2% |
| Thursday | 48°F | Mostly Sunny | 1 to 6 mph W | 0% |
| Thursday Night | 27°F | Mostly Cloudy | 3 mph WSW | 4% |
| Friday | 50°F | Sunny | 2 to 6 mph W | 3% |
| Friday Night | 25°F | Mostly Clear | 5 mph W | 0% |
| Saturday | 52°F | Sunny | 2 mph SW | 0% |
| Saturday Night | 27°F | Mostly Clear | 1 mph S | 0% |
| Sunday | 57°F | Sunny | 3 mph SSW | 0% |
| Sunday Night | 30°F | Partly Cloudy | 3 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 2 mph WSW | 0% |
| Monday Night | 31°F | Mostly Cloudy | 1 mph SW | 0% |
| Tuesday | 58°F | Mostly Sunny | 3 mph WSW | 0% |
| Tuesday Night | 32°F | Partly Cloudy | 2 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for James Town (41.564, -109.536). Updated through the day.
Growing snapshot for James Town
Last spring frost
May 24
First fall frost
Sep 22
Growing season
120 days
Hardiness zone
5a
More local growing data for James Town: nearby ZIP 82935 weather · frost dates · planting calendar · Wyoming frost dates
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Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Green Rvr, Wy (14.8 mi from James Town). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.