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.
Overnight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. West wind around 8 mph.
7-day forecast for Blue Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Partly Cloudy | 8 mph W | 13% |
| Saturday | 59°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph WSW | 58% |
| Saturday Night | 39°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph WSW | 29% |
| Sunday | 57°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 29% |
| Sunday Night | 37°F | Mostly Clear | 3 to 7 mph NW | 14% |
| Monday | 57°F | Sunny | 3 to 10 mph SSW | 6% |
| Monday Night | 40°F | Partly Cloudy | 2 to 9 mph WNW | 9% |
| Tuesday | 61°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 mph SSE | 49% |
| Tuesday Night | 42°F | Chance Showers And Thunderstorms then Mostly Cloudy | 8 mph SSW | 31% |
| Wednesday | 61°F | Partly Sunny then Chance Showers And Thunderstorms | 8 mph WSW | 45% |
| Wednesday Night | 42°F | Mostly Cloudy | 7 mph WNW | 14% |
| Thursday | 61°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph NNE | 29% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph SW | 19% |
| Friday | 61°F | Chance Showers And Thunderstorms | 5 to 8 mph SSE | 43% |
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 Sep 19, 2026.