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
47°F
Cloudy then Slight Chance Rain Showers
A slight chance of rain showers between 3pm and 5pm. Cloudy. High near 47, with temperatures falling to around 43 in the afternoon. North wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for James Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 47°F | Cloudy then Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Tonight | 26°F | Partly Cloudy | 3 mph NNW | 2% |
| Thursday | 48°F | Mostly Sunny | 3 mph SW | 0% |
| Thursday Night | 27°F | Mostly Cloudy | 3 mph WSW | 5% |
| Friday | 50°F | Sunny | 2 to 9 mph W | 5% |
| Friday Night | 25°F | Mostly Clear | 2 to 6 mph W | 0% |
| Saturday | 53°F | Sunny | 3 mph SW | 0% |
| Saturday Night | 28°F | Mostly Clear | 1 mph S | 0% |
| Sunday | 57°F | Sunny | 3 mph SSW | 0% |
| Sunday Night | 31°F | Mostly Clear | 3 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 2 mph SW | 0% |
| Monday Night | 31°F | Mostly Cloudy | 1 mph SSW | 0% |
| Tuesday | 58°F | Mostly Sunny | 3 mph WSW | 0% |
| Tuesday Night | 32°F | Partly Cloudy | 2 mph W | 2% |
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 Nov 4, 2026.