Glenrock, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenrock, a town in Converse County, Wyoming.
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. West wind 10 to 15 mph.
7-day forecast for Glenrock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 10 to 15 mph W | 2% |
| Tonight | 29°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 53°F | Mostly Sunny | 5 mph WNW | 0% |
| Wednesday Night | 28°F | Mostly Cloudy | 5 mph W | 0% |
| Thursday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 31°F | Partly Cloudy | 5 to 10 mph WSW | 0% |
| Friday | 54°F | Sunny | 5 to 10 mph W | 0% |
| Friday Night | 30°F | Mostly Clear | 10 to 15 mph WSW | 4% |
| Saturday | 56°F | Sunny | 5 to 10 mph WSW | 4% |
| Saturday Night | 32°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Sunday | 64°F | Sunny | 15 to 25 mph WSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 15 to 25 mph WSW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 to 10 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Glenrock (42.856, -105.862). Updated through the day.
Growing snapshot for Glenrock
Last spring frost
May 12
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5a
More local growing data for Glenrock: nearby ZIP 82637 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Casper 1Sw, Wy (22.6 mi from Glenrock). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.