Jeffrey City, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jeffrey City, a community in Fremont County, Wyoming.
Today
49°F
Mostly Cloudy
Mostly cloudy. High near 49, with temperatures falling to around 42 in the afternoon. North northeast wind 3 to 7 mph.
7-day forecast for Jeffrey City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Mostly Cloudy | 3 to 7 mph NNE | 0% |
| Tonight | 28°F | Partly Cloudy | 5 mph NW | 0% |
| Thursday | 51°F | Mostly Sunny | 3 to 15 mph SSW | 0% |
| Thursday Night | 30°F | Mostly Cloudy then Slight Chance Snow Showers | 3 to 10 mph SW | 15% |
| Friday | 50°F | Slight Chance Snow Showers then Sunny | 3 to 8 mph WSW | 15% |
| Friday Night | 27°F | Mostly Clear | 7 mph SW | 0% |
| Saturday | 53°F | Sunny | 7 mph SSW | 0% |
| Saturday Night | 30°F | Mostly Clear | 6 to 15 mph SSW | 0% |
| Sunday | 57°F | Sunny | 15 to 21 mph SSW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 12 to 15 mph SSW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 14 mph SSW | 0% |
| Monday Night | 34°F | Partly Cloudy | 9 mph SSW | 0% |
| Tuesday | 57°F | Mostly Sunny | 6 to 12 mph SW | 0% |
| Tuesday Night | 34°F | Partly Cloudy | 7 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Jeffrey City (42.483, -107.829). Updated through the day.
Growing snapshot for Jeffrey City
Last spring frost
Jun 1
First fall frost
Sep 13
Growing season
104 days
Hardiness zone
4b
More local growing data for Jeffrey City: nearby ZIP 82310 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arapahoe
Atlantic City
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Ethete
Fort Washakie
Hudson
Johnstown
Lander
Pavillion
Riverton
Shoshoni
Climate data from the nearest NOAA station, Jeffrey City, Wy (4.2 mi from Jeffrey City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.