Genesee, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Genesee, a community in Jefferson County, Colorado.
Today
46°F
Sunny
Sunny. High near 46, with temperatures falling to around 41 in the afternoon. East northeast wind around 6 mph.
7-day forecast for Genesee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Sunny | 6 mph ENE | 0% |
| Tonight | 28°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 47°F | Mostly Sunny then Chance Rain And Snow Showers | 2 to 7 mph NNE | 31% |
| Wednesday Night | 29°F | Chance Rain And Snow Showers then Mostly Cloudy | 5 mph NW | 31% |
| Thursday | 49°F | Sunny | 1 to 8 mph ENE | 1% |
| Thursday Night | 30°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 49°F | Mostly Sunny | 2 to 7 mph N | 14% |
| Friday Night | 29°F | Partly Cloudy | 3 to 7 mph WNW | 14% |
| Saturday | 50°F | Sunny | 2 to 9 mph N | 4% |
| Saturday Night | 29°F | Mostly Clear | 3 to 7 mph W | 2% |
| Sunday | 56°F | Sunny | 2 to 7 mph SW | 0% |
| Sunday Night | 34°F | Mostly Clear | 3 to 9 mph W | 0% |
| Monday | 60°F | Sunny | 2 to 8 mph E | 0% |
| Monday Night | 35°F | Partly Cloudy | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Genesee (39.688, -105.271). Updated through the day.
Growing snapshot for Genesee
Last spring frost
May 23
First fall frost
Sep 22
Growing season
118 days
Hardiness zone
5b
More local growing data for Genesee: nearby ZIP 80453 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Evergreen, Co (4.3 mi from Genesee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.