Farson, WY Weather & Growing Conditions
Tonight
43°F
Chance Showers And Thunderstorms then Patchy Fog
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then patchy fog and a chance of showers and thunderstorms between 10pm and 11pm, then patchy fog and a slight chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 43. North wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Chance Showers And Thunderstorms then Patchy Fog | 5 mph N | 41% |
| Saturday | 65°F | Slight Chance Showers And Thunderstorms | 3 to 12 mph SW | 38% |
| Saturday Night | 33°F | Mostly Cloudy then Patchy Fog | 2 to 10 mph WSW | 8% |
| Sunday | 63°F | Mostly Sunny | 2 to 7 mph W | 2% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph NNE | 0% |
| Monday | 68°F | Sunny | 3 mph SSW | 0% |
| Monday Night | 38°F | Partly Cloudy | 2 mph N | 1% |
| Tuesday | 70°F | Mostly Sunny | 3 mph SSE | 7% |
| Tuesday Night | 39°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph NW | 26% |
| Wednesday | 71°F | Sunny | 2 to 6 mph SW | 8% |
| Wednesday Night | 38°F | Mostly Clear | 3 mph NNW | 6% |
| Thursday | 72°F | Mostly Sunny | 5 mph ESE | 2% |
| Thursday Night | 40°F | Partly Cloudy | 3 mph ESE | 5% |
| Friday | 73°F | Mostly Sunny | 2 to 6 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Farson, WY
Growing season
84 days
Hardiness zone
4a
Explore more for Farson, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Farson 2Nne, Wy (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.