James Town, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for James Town, a community in Sweetwater County, Wyoming.
Tonight
47°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms before 3am, then patchy fog. Mostly cloudy, with a low around 47. South southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for James Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Isolated Showers And Thunderstorms | 5 mph SSE | 21% |
| Saturday | 66°F | Patchy Fog then Scattered Showers And Thunderstorms | 2 to 9 mph SW | 51% |
| Saturday Night | 39°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph SW | 10% |
| Sunday | 67°F | Sunny | 2 to 7 mph WSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 1 to 7 mph SSE | 0% |
| Monday | 72°F | Sunny | 2 mph SSW | 0% |
| Monday Night | 44°F | Partly Cloudy | 2 mph SSW | 2% |
| Tuesday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph S | 11% |
| Tuesday Night | 43°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 23% |
| Wednesday | 74°F | Mostly Sunny | 5 mph SW | 6% |
| Wednesday Night | 43°F | Mostly Clear | 3 mph SSW | 5% |
| Thursday | 76°F | Mostly Sunny | 3 mph SSE | 2% |
| Thursday Night | 46°F | Partly Cloudy | 3 mph SE | 7% |
| Friday | 77°F | Mostly Sunny | 5 mph SSW | 8% |
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
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
Eden
Farson
Granger
Green River
Little America
McKinnon
North Rock Springs
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 Sep 19, 2026.