Farson, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farson, a community in Sweetwater County, Wyoming.
Overnight
43°F
Patchy Fog
Patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy. Low around 43, with temperatures rising to around 47 overnight. North northwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Farson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Patchy Fog | 3 mph NNW | 23% |
| Saturday | 65°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 3 to 9 mph WSW | 37% |
| Saturday Night | 30°F | Slight Chance Rain Showers then Patchy Fog | 2 to 9 mph W | 15% |
| Sunday | 63°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 5 mph NNE | 0% |
| Monday | 68°F | Sunny | 3 mph WNW | 0% |
| Monday Night | 34°F | Partly Cloudy | 3 mph E | 0% |
| Tuesday | 70°F | Mostly Sunny | 3 mph S | 4% |
| Tuesday Night | 36°F | Chance Showers And Thunderstorms | 3 mph SW | 40% |
| Wednesday | 70°F | Mostly Sunny | 3 to 7 mph SW | 9% |
| Wednesday Night | 35°F | Partly Cloudy | 3 mph W | 2% |
| Thursday | 73°F | Sunny | 3 mph WNW | 1% |
| Thursday Night | 37°F | Partly Cloudy | 3 mph SSE | 3% |
| Friday | 74°F | Mostly Sunny | 2 to 6 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Farson (42.154, -109.425). Updated through the day.
Growing snapshot for Farson
Growing season
84 days
Hardiness zone
4a
More local growing data for Farson: nearby ZIP 82932 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
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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, Farson 2Nne, Wy (2.6 mi from Farson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.