Osage, WY Weather & Growing Conditions
This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 6 mph NW | 4% |
| Tonight | 55°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SE | 73% |
| Saturday | 69°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 68% |
| Saturday Night | 51°F | Showers And Thunderstorms Likely | 5 mph SE | 74% |
| Sunday | 62°F | Showers And Thunderstorms | 5 mph SE | 96% |
| Sunday Night | 48°F | Showers And Thunderstorms | 3 mph SE | 77% |
| Monday | 65°F | Chance Rain Showers | 2 to 8 mph SE | 28% |
| Monday Night | 48°F | Mostly Clear | 10 to 14 mph SE | 1% |
| Tuesday | 71°F | Mostly Sunny | 9 to 14 mph SE | 4% |
| Tuesday Night | 52°F | Mostly Clear | 9 to 14 mph SE | 13% |
| Wednesday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SE | 15% |
| Wednesday Night | 52°F | Mostly Clear | 5 mph E | 11% |
| Thursday | 78°F | Sunny | 2 to 7 mph SE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 9 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Osage, WY
Last spring frost
May 20
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
4b
Explore more for Osage, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Upton, Wy (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.