Harman US

Florissant, CO Weather & Growing Conditions

This Afternoon
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 68. Southwest wind around 10 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Chance Showers And Thunderstorms 10 mph SW 33%
Tonight 42°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNE 28%
Saturday 67°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 15 mph SW 31%
Saturday Night 38°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 10 mph W 15%
Sunday 65°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 15 mph SW 11%
Sunday Night 39°F Chance Showers And Thunderstorms 0 to 10 mph SSE 33%
Monday 65°F Mostly Sunny 0 to 10 mph SW 6%
Monday Night 42°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph S 22%
Tuesday 66°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 45%
Tuesday Night 41°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph SSW 42%
Wednesday 64°F Partly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 36%
Wednesday Night 42°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 5 mph SW 26%
Thursday 64°F Partly Sunny then Chance Showers And Thunderstorms 5 mph SW 31%
Thursday Night 42°F Chance Showers And Thunderstorms 5 mph S 35%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Florissant, CO

Growing season
68 days
Hardiness zone
5a

Explore more for Florissant, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Florissant Fossil Bed, Co (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.