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Basin, WY Weather & Growing Conditions

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

This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 49 in the afternoon. Southeast wind around 5 mph.

7-day forecast for Basin

WhenTempForecastWindPrecip
This Afternoon 52°F Sunny 5 mph SE 0%
Tonight 26°F Mostly Clear then Areas Of Fog 5 mph SSE 0%
Wednesday 51°F Areas Of Fog then Mostly Sunny 2 mph NW 0%
Wednesday Night 26°F Partly Cloudy 1 to 5 mph SE 0%
Thursday 56°F Sunny 3 mph S 0%
Thursday Night 29°F Partly Cloudy 3 mph WNW 0%
Friday 54°F Sunny 5 mph SSE 1%
Friday Night 27°F Mostly Clear 3 mph SE 5%
Saturday 56°F Sunny 5 mph SE 0%
Saturday Night 29°F Mostly Clear 6 mph SE 0%
Sunday 62°F Sunny 3 to 8 mph SSE 0%
Sunday Night 33°F Partly Cloudy 3 mph SSW 0%
Monday 60°F Mostly Sunny 5 mph SSE 0%
Monday Night 33°F Partly Cloudy 2 mph SE 0%

Forecast source: National Weather Service (api.weather.gov) for Basin (44.381, -108.047). Updated through the day.

Growing snapshot for Basin

Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
4b

More local growing data for Basin: nearby ZIP 82410 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Basin, Wy (6.3 mi from Basin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.