Florissant Weather Forecast 15 Days, Weather in Florissant Today
Current weather conditions and 15 day weather forecast for Florissant, Missouri, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Florissant
| 01 August 2026 Saturday 19.9 ° C / 67.8°F  Clear |
Feels Like : 19.1 ° C / 66.4°F Humidity : % 83 Pressure : 1004 mb Wind Speed : 16.2 kmph / 10.1 miles from W  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Florissant, MO, USA
Weather Forecast for next 15 Days for Florissant including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Florissant, Missouri state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 August 2026 Saturday |  Patchy rain nearby |
19.1 ° C (66.4°F) |
23.1 ° C (73.6°F) |
20.4 ° C (68.7°F) |
% 91 | 73% | 1.4 | Sunrise:06:02 AM Sunset: 08:12 PM |
Moonrise:09:49 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 02 August 2026 Sunday |  Overcast |
18.8 ° C (65.8°F) |
24.2 ° C (75.5°F) |
20.9 ° C (69.7°F) |
% 82 | 38% | 5 | Sunrise:06:03 AM Sunset: 08:11 PM |
Moonrise:10:10 PM Moonset: 10:06 AM Moon Phase ( Waning Gibbous ) |
|
| 03 August 2026 Monday | Sunny |
17.2 ° C (63°F) |
28.5 ° C (83.4°F) |
22.6 ° C (72.8°F) |
% 75 | 8% | 9.4 | Sunrise:06:04 AM Sunset: 08:10 PM |
Moonrise:10:32 PM Moonset: 11:07 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday | Sunny |
17.9 ° C (64.1°F) |
29.4 ° C (85°F) |
23.7 ° C (74.6°F) |
% 69 | 5% | 9.5 | Sunrise:06:05 AM Sunset: 08:09 PM |
Moonrise:10:57 PM Moonset: 12:10 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Sunny |
19.6 ° C (67.4°F) |
31.9 ° C (89.4°F) |
25.9 ° C (78.6°F) |
% 65 | 4% | 8 | Sunrise:06:06 AM Sunset: 08:08 PM |
Moonrise:11:26 PM Moonset: 01:15 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Sunny |
21.7 ° C (71°F) |
38.2 ° C (100.7°F) |
28.7 ° C (83.6°F) |
% 56 | 5% | 9 | Sunrise:06:07 AM Sunset: 08:07 PM |
Moonrise:Does not rise today Moonset: 02:25 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
25.3 ° C (77.5°F) |
37.6 ° C (99.7°F) |
30.6 ° C (87.1°F) |
% 51 | 36% | 9 | Sunrise:06:08 AM Sunset: 08:06 PM |
Moonrise:12:02 AM Moonset: 03:35 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
24.4 ° C (75.9°F) |
34 ° C (93.2°F) |
28.7 ° C (83.6°F) |
% 59 | 7% | 8 | Sunrise:06:08 AM Sunset: 08:05 PM |
Moonrise:12:48 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Patchy rain nearby |
21.4 ° C (70.5°F) |
27.9 ° C (82.2°F) |
24.3 ° C (75.7°F) |
% 82 | 77% | 7 | Sunrise:06:09 AM Sunset: 08:03 PM |
Moonrise:01:46 AM Moonset: 05:48 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Patchy rain nearby |
22.2 ° C (72°F) |
31.5 ° C (88.6°F) |
26 ° C (78.7°F) |
% 75 | 77% | 7 | Sunrise:06:10 AM Sunset: 08:02 PM |
Moonrise:02:56 AM Moonset: 06:41 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Patchy rain nearby |
21 ° C (69.8°F) |
25.8 ° C (78.5°F) |
23.3 ° C (74°F) |
% 89 | 85% | 6 | Sunrise:06:11 AM Sunset: 08:01 PM |
Moonrise:04:15 AM Moonset: 07:25 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.6 ° C (65.5°F) |
28.4 ° C (83.1°F) |
23.3 ° C (73.9°F) |
% 75 | 9% | 7 | Sunrise:06:12 AM Sunset: 08:00 PM |
Moonrise:05:36 AM Moonset: 08:00 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
19.8 ° C (67.6°F) |
31.1 ° C (88°F) |
24.7 ° C (76.4°F) |
% 74 | 57% | 8 | Sunrise:06:13 AM Sunset: 07:58 PM |
Moonrise:06:55 AM Moonset: 08:31 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
22.1 ° C (71.8°F) |
30.8 ° C (87.5°F) |
25.8 ° C (78.4°F) |
% 75 | 41% | 8 | Sunrise:06:14 AM Sunset: 07:57 PM |
Moonrise:08:12 AM Moonset: 08:58 PM Moon Phase ( Waxing Crescent ) |
|
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