Deaver, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deaver, a town in Big Horn County, Wyoming.
Today
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 60 in the afternoon. Northwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Deaver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Chance Showers And Thunderstorms | 10 to 25 mph NW | 47% |
| Tonight | 44°F | Chance Showers And Thunderstorms | 14 to 26 mph NW | 48% |
| Sunday | 63°F | Chance Rain Showers | 8 to 12 mph NNW | 37% |
| Sunday Night | 44°F | Mostly Cloudy | 1 to 9 mph WNW | 8% |
| Monday | 70°F | Sunny | 1 to 7 mph SE | 1% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Tuesday | 75°F | Sunny | 0 to 6 mph SE | 0% |
| Tuesday Night | 49°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph SE | 15% |
| Wednesday | 77°F | Mostly Sunny | 1 to 5 mph SE | 7% |
| Wednesday Night | 49°F | Partly Cloudy | 3 mph SSE | 3% |
| Thursday | 80°F | Sunny | 2 to 7 mph SE | 1% |
| Thursday Night | 50°F | Mostly Clear | 6 mph SE | 1% |
| Friday | 80°F | Mostly Sunny | 2 to 8 mph SE | 1% |
| Friday Night | 49°F | Partly Cloudy | 3 to 7 mph WSW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Deaver (44.889, -108.596). Updated through the day.
Growing snapshot for Deaver
Last spring frost
May 6
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
More local growing data for Deaver: nearby ZIP 82421 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Deaver, Wy (0.6 mi from Deaver). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.