Blue Valley, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Valley, a community in Clear Creek County, Colorado.
This Afternoon
40°F
Sunny
Sunny. High near 40, with temperatures falling to around 30 in the afternoon. North wind 0 to 6 mph.
7-day forecast for Blue Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 40°F | Sunny | 0 to 6 mph N | 0% |
| Tonight | 23°F | Mostly Clear | 2 to 7 mph W | 0% |
| Wednesday | 40°F | Snow Showers Likely | 3 to 12 mph E | 63% |
| Wednesday Night | 22°F | Chance Snow Showers then Mostly Cloudy | 3 to 7 mph NW | 47% |
| Thursday | 43°F | Sunny | 2 to 9 mph SSE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 3 to 8 mph WSW | 1% |
| Friday | 42°F | Slight Chance Snow Showers | 3 to 9 mph WNW | 22% |
| Friday Night | 24°F | Slight Chance Snow Showers then Partly Cloudy | 5 to 14 mph WNW | 22% |
| Saturday | 47°F | Sunny | 2 to 16 mph NNW | 6% |
| Saturday Night | 25°F | Clear | 5 to 13 mph W | 2% |
| Sunday | 55°F | Sunny | 6 to 17 mph WNW | 0% |
| Sunday Night | 32°F | Mostly Clear | 14 to 17 mph W | 0% |
| Monday | 53°F | Mostly Sunny | 3 to 16 mph NW | 1% |
| Monday Night | 31°F | Partly Cloudy | 5 to 12 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Blue Valley (39.700, -105.492). Updated through the day.
Growing snapshot for Blue Valley
Last spring frost
May 23
First fall frost
Sep 22
Growing season
118 days
Hardiness zone
5b
More local growing data for Blue Valley: nearby ZIP 80439 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Brook Forest
Downieville-Lawson-Dumont
Echo Hills
Empire
Floyd Hill
Georgetown
Pine Valley
Silver Plume
St. Mary's
Upper Bear Creek
Upper Witter Gulch
Climate data from the nearest NOAA station, Evergreen, Co (6.7 mi from Blue Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.