Glendale, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glendale, a city in Denver County, Colorado.
Today
81°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a slight chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.
7-day forecast for Glendale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke | 6 to 9 mph ENE | 18% |
| Tonight | 59°F | Patchy Smoke | 3 to 9 mph NNE | 11% |
| Wednesday | 88°F | Patchy Smoke then Sunny | 2 to 9 mph NNE | 0% |
| Wednesday Night | 63°F | Mostly Clear | 5 to 9 mph SSE | 3% |
| Thursday | 95°F | Sunny | 2 to 9 mph N | 0% |
| Thursday Night | 66°F | Mostly Clear | 5 to 9 mph S | 2% |
| Friday | 98°F | Sunny | 3 to 8 mph ESE | 0% |
| Friday Night | 70°F | Mostly Clear | 10 mph SSE | 1% |
| Saturday | 99°F | Sunny | 8 mph N | 0% |
| Saturday Night | 70°F | Partly Cloudy | 6 to 9 mph SSE | 0% |
| Sunday | 99°F | Sunny | 5 to 8 mph E | 7% |
| Sunday Night | 71°F | Partly Cloudy | 5 to 8 mph WNW | 3% |
| Monday | 98°F | Sunny | 5 to 10 mph NW | 11% |
| Monday Night | 69°F | Partly Cloudy | 5 to 10 mph W | 14% |
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 Aug 4, 2026.