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Genesee, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Genesee, a community in Jefferson County, Colorado.

Overnight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. West northwest wind around 5 mph.

7-day forecast for Genesee

WhenTempForecastWindPrecip
Overnight 45°F Partly Cloudy 5 mph WNW 2%
Saturday 65°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 6 mph NNE 53%
Saturday Night 41°F Chance Showers And Thunderstorms then Partly Cloudy 5 mph W 30%
Sunday 61°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph NE 29%
Sunday Night 40°F Chance Showers And Thunderstorms then Partly Cloudy 5 mph NNE 26%
Monday 62°F Sunny 2 to 9 mph SE 5%
Monday Night 42°F Partly Cloudy 2 to 7 mph WNW 9%
Tuesday 65°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 6 mph SE 33%
Tuesday Night 43°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SSW 22%
Wednesday 66°F Partly Sunny then Chance Showers And Thunderstorms 5 mph SSE 29%
Wednesday Night 44°F Mostly Cloudy 5 mph SW 12%
Thursday 67°F Mostly Sunny then Slight Chance Showers And Thunderstorms 7 mph SE 18%
Thursday Night 45°F Slight Chance Rain Showers then Mostly Cloudy 5 mph SSW 17%
Friday 68°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph SSW 28%

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 Sep 19, 2026.