Glendale, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glendale, a city in Denver County, Colorado.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 83, with temperatures falling to around 74 in the afternoon. North wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glendale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 7 mph N | 53% |
| Tonight | 56°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph WSW | 40% |
| Saturday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph NE | 63% |
| Saturday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 6 mph SSW | 48% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 2 to 7 mph ENE | 57% |
| Sunday Night | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph ESE | 34% |
| Monday | 73°F | Mostly Sunny | 1 to 7 mph NE | 3% |
| Monday Night | 53°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SSE | 18% |
| Tuesday | 77°F | Mostly Sunny | 2 to 6 mph E | 13% |
| Tuesday Night | 55°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph S | 19% |
| Wednesday | 77°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph NE | 15% |
| Wednesday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph SSW | 17% |
| Thursday | 77°F | Partly Sunny | 2 to 6 mph N | 13% |
| Thursday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 6 mph S | 28% |
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 Sep 18, 2026.