Upper Witter Gulch, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upper Witter Gulch, a community in Clear Creek County, Colorado.
Today
44°F
Snow Showers Likely
Snow showers likely after 11am. Partly sunny. High near 44, with temperatures falling to around 33 in the afternoon. East northeast wind 2 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
7-day forecast for Upper Witter Gulch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 44°F | Snow Showers Likely | 2 to 10 mph ENE | 58% |
| Tonight | 25°F | Snow Showers Likely then Mostly Cloudy | 5 mph NW | 58% |
| Thursday | 46°F | Sunny | 2 to 8 mph SSW | 0% |
| Thursday Night | 28°F | Partly Cloudy | 5 mph WSW | 1% |
| Friday | 48°F | Chance Snow Showers | 2 to 7 mph NW | 25% |
| Friday Night | 26°F | Chance Snow Showers then Mostly Clear | 3 to 9 mph W | 25% |
| Saturday | 50°F | Sunny | 0 to 12 mph N | 3% |
| Saturday Night | 27°F | Mostly Clear | 1 to 6 mph W | 0% |
| Sunday | 59°F | Sunny | 3 to 9 mph NW | 0% |
| Sunday Night | 33°F | Mostly Clear | 6 to 10 mph W | 0% |
| Monday | 58°F | Sunny | 1 to 9 mph NNW | 0% |
| Monday Night | 32°F | Partly Cloudy | 1 to 5 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 2 to 6 mph WNW | 0% |
| Tuesday Night | 32°F | Partly Cloudy | 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Upper Witter Gulch (39.661, -105.427). Updated through the day.
Growing snapshot for Upper Witter Gulch
Last spring frost
May 23
First fall frost
Sep 22
Growing season
118 days
Hardiness zone
5b
More local growing data for Upper Witter Gulch: nearby ZIP 80439 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Blue Valley
Brook Forest
Downieville-Lawson-Dumont
Echo Hills
Empire
Floyd Hill
Georgetown
Pine Valley
Silver Plume
St. Mary's
Upper Bear Creek
Climate data from the nearest NOAA station, Evergreen, Co (6.7 mi from Upper Witter Gulch). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.