Hillsdale, WY Weather & Growing Conditions
Today
71°F
Areas Of Smoke then Partly Sunny
Areas of smoke before noon. Partly sunny, with a high near 71. East southeast wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Areas Of Smoke then Partly Sunny | 5 to 15 mph ESE | 8% |
| Tonight | 50°F | Partly Cloudy | 10 to 15 mph SSE | 11% |
| Wednesday | 80°F | Sunny | 5 to 10 mph ESE | 4% |
| Wednesday Night | 54°F | Mostly Clear | 10 to 15 mph S | 1% |
| Thursday | 91°F | Sunny | 10 to 15 mph WNW | 1% |
| Thursday Night | 57°F | Mostly Clear | 10 to 15 mph S | 2% |
| Friday | 94°F | Sunny | 10 mph NNW | 1% |
| Friday Night | 61°F | Mostly Clear | 10 to 15 mph S | 0% |
| Saturday | 97°F | Sunny | 10 to 15 mph WNW | 1% |
| Saturday Night | 61°F | Partly Cloudy | 5 to 15 mph SW | 2% |
| Sunday | 95°F | Sunny | 10 mph W | 6% |
| Sunday Night | 62°F | Mostly Cloudy | 10 mph SW | 4% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph N | 16% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 15 mph S | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hillsdale, WY
Last spring frost
May 21
First fall frost
Sep 24
Growing season
124 days
Hardiness zone
5a
Explore more for Hillsdale, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Archer, Wy (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.