Glenrock, WY Weather & Growing Conditions
Today
71°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. East southeast wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Areas Of Smoke then Mostly Sunny | 10 to 15 mph ESE | 1% |
| Tonight | 51°F | Mostly Clear | 5 to 20 mph SSE | 5% |
| Wednesday | 80°F | Sunny | 5 to 10 mph NW | 1% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 85°F | Sunny | 10 to 15 mph W | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Friday | 89°F | Sunny | 10 mph W | 0% |
| Friday Night | 65°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Saturday | 91°F | Sunny | 10 to 15 mph WNW | 0% |
| Saturday Night | 65°F | Mostly Clear | 5 to 15 mph S | 0% |
| Sunday | 91°F | Sunny | 10 to 15 mph W | 2% |
| Sunday Night | 65°F | Partly Cloudy | 10 to 15 mph SW | 7% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph NW | 15% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph SE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Glenrock, WY
Last spring frost
May 12
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5a
Explore more for Glenrock, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Casper 1Sw, Wy (22.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.