Glendale, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glendale, a city in Denver County, Colorado.
This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 52 in the afternoon. Northeast wind around 6 mph.
7-day forecast for Glendale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Sunny | 6 mph NE | 0% |
| Tonight | 34°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 57°F | Mostly Sunny | 2 to 7 mph NNE | 12% |
| Wednesday Night | 36°F | Mostly Cloudy | 1 to 5 mph NW | 11% |
| Thursday | 57°F | Sunny | 5 mph SSE | 0% |
| Thursday Night | 35°F | Partly Cloudy | 3 mph S | 1% |
| Friday | 57°F | Mostly Sunny | 5 mph NNW | 6% |
| Friday Night | 35°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 60°F | Sunny | 2 to 6 mph ESE | 1% |
| Saturday Night | 35°F | Clear | 2 to 6 mph S | 0% |
| Sunday | 68°F | Sunny | 2 to 8 mph S | 0% |
| Sunday Night | 40°F | Mostly Clear | 3 to 7 mph WSW | 0% |
| Monday | 66°F | Sunny | 2 to 7 mph SSE | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Glendale (39.703, -104.936). Updated through the day.
Growing snapshot for Glendale
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
6a
More local growing data for Glendale: nearby ZIP 80246 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Denver Water Dept, Co (4.4 mi from Glendale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.