Harman US

Big Piney, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Big Piney, a town in Sublette County, Wyoming.

Tonight
26°F
Patchy Fog
Patchy fog between 11pm and 1am. Mostly cloudy, with a low around 26. North northwest wind around 5 mph.

7-day forecast for Big Piney

WhenTempForecastWindPrecip
Tonight 26°F Patchy Fog 5 mph NNW 2%
Wednesday 46°F Cloudy 1 to 5 mph NW 6%
Wednesday Night 21°F Mostly Clear 5 mph WNW 1%
Thursday 46°F Mostly Sunny 3 mph SSE 1%
Thursday Night 21°F Partly Cloudy 6 mph NW 14%
Friday 47°F Sunny 2 to 7 mph NW 1%
Friday Night 20°F Partly Cloudy 3 to 8 mph NW 0%
Saturday 50°F Sunny 5 mph WSW 0%
Saturday Night 22°F Mostly Clear 2 mph WNW 0%
Sunday 52°F Mostly Sunny 1 mph NW 0%
Sunday Night 24°F Partly Cloudy 2 mph NW 0%
Monday 52°F Mostly Sunny 1 mph ESE 0%
Monday Night 25°F Mostly Cloudy 1 mph WSW 0%
Tuesday 53°F Mostly Sunny 1 mph NNW 0%

Forecast source: National Weather Service (api.weather.gov) for Big Piney (42.540, -110.119). Updated through the day.

Growing snapshot for Big Piney

Growing season
52 days
Hardiness zone
4a

More local growing data for Big Piney: nearby ZIP 83113 weather · frost dates · planting calendar · Wyoming frost dates

Nearby towns & communities

All Wyoming locations ›

Climate data from the nearest NOAA station, Big Piney Marbleton Ap, Wy (8.4 mi from Big Piney). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.