Florissant, CO Weather & Growing Conditions
Overnight
28°F
Partly Cloudy
Partly cloudy, with a low around 28. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Partly Cloudy | 5 mph W | 0% |
| Wednesday | 46°F | Chance Rain And Snow Showers | 2 to 10 mph ESE | 84% |
| Wednesday Night | 26°F | Snow Showers | 3 to 13 mph N | 85% |
| Thursday | 44°F | Sunny | 3 mph WSW | 0% |
| Thursday Night | 27°F | Partly Cloudy | 2 to 6 mph WSW | 0% |
| Friday | 45°F | Mostly Sunny then Slight Chance Snow Showers | 6 mph SW | 18% |
| Friday Night | 26°F | Slight Chance Snow Showers then Partly Cloudy | 2 to 8 mph NW | 18% |
| Saturday | 48°F | Sunny | 2 to 8 mph NNW | 5% |
| Saturday Night | 27°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Sunday | 55°F | Sunny | 5 to 8 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 5 to 10 mph W | 0% |
| Monday | 56°F | Sunny | 3 to 9 mph W | 0% |
| Monday Night | 32°F | Partly Cloudy | 3 to 7 mph WNW | 1% |
| Tuesday | 54°F | Mostly Sunny | 7 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Florissant, CO
Last spring frost
Jun 2
First fall frost
Sep 19
Growing season
108 days
Hardiness zone
5b
Explore more for Florissant, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Lake George 8 Sw, Co (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.