Basin, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Basin, a town in Big Horn County, Wyoming.
Overnight
55°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West wind 2 to 8 mph. Chance of precipitation is 20%.
7-day forecast for Basin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 16% |
| Saturday | 69°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 3 to 16 mph NW | 53% |
| Saturday Night | 43°F | Chance Showers And Thunderstorms | 6 to 18 mph NW | 50% |
| Sunday | 65°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph NW | 34% |
| Sunday Night | 43°F | Mostly Cloudy | 1 to 7 mph SSW | 7% |
| Monday | 72°F | Sunny | 5 mph SE | 0% |
| Monday Night | 43°F | Mostly Clear | 3 mph E | 1% |
| Tuesday | 77°F | Sunny | 2 mph SE | 0% |
| Tuesday Night | 47°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph ESE | 16% |
| Wednesday | 79°F | Mostly Sunny | 2 mph SE | 4% |
| Wednesday Night | 46°F | Mostly Clear | 3 mph SE | 5% |
| Thursday | 82°F | Sunny | 5 mph SSE | 1% |
| Thursday Night | 48°F | Mostly Clear | 5 mph SE | 1% |
| Friday | 83°F | Mostly Sunny | 3 to 7 mph SSE | 1% |
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
Nearby towns & communities
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 Sep 19, 2026.