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
67°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a chance of showers and thunderstorms. Mostly sunny. High near 67, with temperatures falling to around 63 in the afternoon. East southeast wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Upper Witter Gulch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Patchy Smoke | 3 to 8 mph ESE | 36% |
| Tonight | 47°F | Patchy Smoke then Mostly Clear | 3 to 8 mph SSW | 16% |
| Wednesday | 74°F | Mostly Sunny | 6 to 9 mph NNE | 0% |
| Wednesday Night | 47°F | Mostly Clear | 3 to 9 mph SSW | 1% |
| Thursday | 80°F | Sunny | 5 to 10 mph NNW | 3% |
| Thursday Night | 50°F | Clear | 7 to 10 mph WNW | 2% |
| Friday | 82°F | Sunny | 8 to 13 mph N | 2% |
| Friday Night | 54°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Saturday | 83°F | Sunny | 10 mph NW | 6% |
| Saturday Night | 55°F | Partly Cloudy | 8 mph NNW | 2% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 mph N | 19% |
| Sunday Night | 57°F | Partly Cloudy | 8 mph WNW | 6% |
| Monday | 81°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 mph NNW | 46% |
| Monday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 9 mph W | 21% |
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 Aug 4, 2026.