Harman US

James Town, WY Weather & Growing Conditions

Overnight
28°F
Cloudy
Cloudy. Low around 28, with temperatures rising to around 31 overnight. North northwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 28°F Cloudy 3 mph NNW 1%
Wednesday 47°F Cloudy 3 mph NE 9%
Wednesday Night 24°F Partly Cloudy 3 mph NNW 2%
Thursday 48°F Mostly Sunny 2 mph WSW 0%
Thursday Night 25°F Partly Cloudy 3 mph WSW 3%
Friday 50°F Sunny 2 to 8 mph W 3%
Friday Night 23°F Mostly Clear 2 to 6 mph W 0%
Saturday 53°F Sunny 2 mph WSW 0%
Saturday Night 25°F Mostly Clear 1 mph SSW 0%
Sunday 56°F Sunny 3 mph SW 0%
Sunday Night 28°F Partly Cloudy 3 mph SSW 0%
Monday 57°F Mostly Sunny 1 mph SSW 0%
Monday Night 29°F Mostly Cloudy 1 mph SSW 0%
Tuesday 57°F Mostly Sunny 3 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for James Town, WY

Last spring frost
May 24
First fall frost
Sep 22
Growing season
120 days
Hardiness zone
5a

Explore more for James Town, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Green Rvr, Wy (14.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.