Harman US

Big Piney, WY Weather & Growing Conditions

Overnight
38°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms before 1am, then patchy fog and isolated showers and thunderstorms. Mostly cloudy. Low around 38, with temperatures rising to around 42 overnight. Northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 38°F Isolated Showers And Thunderstorms 5 mph NW 13%
Saturday 61°F Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms 3 to 9 mph NW 38%
Saturday Night 31°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 to 9 mph WNW 16%
Sunday 60°F Mostly Sunny 2 to 6 mph NW 3%
Sunday Night 33°F Partly Cloudy 2 to 7 mph NW 0%
Monday 66°F Sunny 2 to 6 mph ESE 0%
Monday Night 37°F Partly Cloudy 6 mph WSW 1%
Tuesday 67°F Mostly Sunny 6 mph SW 6%
Tuesday Night 38°F Slight Chance Showers And Thunderstorms 6 mph WNW 22%
Wednesday 68°F Sunny 6 mph NW 9%
Wednesday Night 37°F Mostly Clear 6 mph WNW 6%
Thursday 69°F Sunny 2 to 7 mph ENE 5%
Thursday Night 39°F Partly Cloudy 6 mph SW 8%
Friday 70°F Mostly Sunny 2 to 7 mph W 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Big Piney, WY

Growing season
52 days
Hardiness zone
4a

Explore more for Big Piney, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Big Piney Marbleton Ap, Wy (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.