The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday August 10 to 400 PM Tuesday August 11 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Ozone concentrations in the Unhealthy for Sensitive Groups category are possible both Monday and Tuesday during the afternoon and evenings, mainly in and near the Denver metro area. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, August 11, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.
Local weather forecast
Weather in Florissant, CO
Updated 2026-08-11 11:45 local time · ZIP codes 80816

Now78°F
Sunny
High / Low79° / 49°
Rain chance57%
Wind4 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now
78°1% rain
78°1% rain1 PM
79°5% rain
79°5% rain2 PM
78°2% rain
78°2% rain3 PM
72°57% rain
72°57% rain4 PM
60°24% rain
60°24% rain5 PM
58°38% rain
58°38% rain6 PM
59°40% rain
59°40% rain7 PM
59°55% rain
59°55% rain8 PM
56°23% rain
56°23% rain9 PM
54°11% rain
54°11% rain10 PM
52°15% rain
52°15% rain11 PM
51°14% rain
51°14% rainForecast
3-day weather forecast
Today2026-08-11

79° 49°Sunny
Rain 57%Gust 11 mph
Tomorrow2026-08-12

80° 49°Sunny
Rain 65%Gust 10 mph
Thursday2026-08-13

74° 49°Sunny
Rain 59%Gust 9 mph
Conditions
Weather details
Feels like76°F
Humidity21%
Pressure30.37 inHg
Visibility10 mi
Wind4 mph NW
Wind gusts5 mph
Precipitation0.00 in
UV index6
Daylight
Sunrise, sunset and moon
Sunrise06:11 AM
Sunset08:01 PM
Moonrise04:17 AM
Moon phaseNew Moon
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 57% over the next 12 hours.
Light layers should work
It feels like 76°F with winds near 4 mph.
Best window: 2 PM
78°F, 2% rain chance and 11 mph wind.
Allow a little extra driving time
Visibility is around 10 mi; gusts may reach 13 mph.
Run with a few weather adjustments
Current temperature is 78°F, wind 4 mph, rain chance up to 57%.
High UV protection needed
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Florissant weather today
Sunny and 78°F in Florissant, CO. Today's high is 79°F with a 57% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 21%, pressure is 30.37 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Florissant
Sunrise is at 06:11 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 49°F. The maximum rain chance is 65%.
Nearby
Weather near Florissant
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