Jeffrey City, WY Weather & Growing Conditions
Overnight
30°F
Mostly Cloudy
Mostly cloudy. Low around 30, with temperatures rising to around 34 overnight. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 30°F | Mostly Cloudy | 2 mph S | 0% |
| Wednesday | 47°F | Cloudy | 0 to 8 mph E | 0% |
| Wednesday Night | 30°F | Partly Cloudy | 3 mph W | 0% |
| Thursday | 50°F | Sunny | 6 to 15 mph SSW | 0% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 13 mph SW | 13% |
| Friday | 49°F | Sunny | 5 to 9 mph WSW | 13% |
| Friday Night | 29°F | Mostly Clear | 9 mph SW | 0% |
| Saturday | 51°F | Sunny | 6 to 9 mph SSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 6 to 20 mph SSW | 0% |
| Sunday | 56°F | Sunny | 17 to 21 mph SSW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 15 to 18 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 10 to 15 mph SSW | 0% |
| Monday Night | 36°F | Mostly Cloudy | 10 to 14 mph SSW | 0% |
| Tuesday | 56°F | Mostly Sunny | 7 to 13 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jeffrey City, WY
Last spring frost
Jun 1
First fall frost
Sep 13
Growing season
104 days
Hardiness zone
4b
Explore more for Jeffrey City, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Jeffrey City, Wy (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.