Florissant, CO Weather & Growing Conditions
Today
73°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a slight chance of showers and thunderstorms between noon and 1pm, then patchy smoke and showers and thunderstorms likely. Mostly sunny, with a high near 73. South wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke | 5 to 15 mph S | 56% |
| Tonight | 47°F | Patchy Smoke then Partly Cloudy | 5 to 15 mph S | 12% |
| Wednesday | 80°F | Sunny | 5 to 15 mph W | 8% |
| Wednesday Night | 48°F | Mostly Clear | 5 to 15 mph SSW | 6% |
| Thursday | 83°F | Sunny | 5 to 10 mph WNW | 8% |
| Thursday Night | 49°F | Mostly Clear | 5 to 10 mph S | 7% |
| Friday | 83°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 10 to 15 mph S | 2% |
| Saturday | 84°F | Sunny | 5 mph NW | 4% |
| Saturday Night | 51°F | Partly Cloudy | 10 mph NNW | 1% |
| Sunday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph NW | 13% |
| Sunday Night | 52°F | Partly Cloudy | 10 mph NNE | 7% |
| Monday | 83°F | Sunny then Chance Showers And Thunderstorms | 5 mph N | 36% |
| Monday Night | 51°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 mph NW | 18% |
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 Aug 4, 2026.