Today
Expect mostly cloudy. Daytime high +61°, overnight low +52°. Wind gusts reach 4 mph. No rain expected.
Weather in Saint Clair
United States · Missouri · 38.3453, -90.9810
Today Now 6:19 PM
+61° Mostly cloudy
Hourly forecast
Today10/19
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +72° and fog, nighttime low +46°, about 11° warmer.
Week
This week temperatures range from +46° to +79°. Weekly maximum — +79° (Sun). Nighttime weekly low: +46° (Tue). No precipitation expected this week. Cloudless weather for 3 days. Warmer closer to the weekend.
Week vs norm
- Today 10/19 +61° −8° usually +69°
- Tomorrow 10/20 +72° +3° usually +68°
- Wed 10/21 +73° +6° usually +68°
- Thu 10/22 +73° +6° usually +67°
- Fri 10/23 +73° +7° usually +67°
- Sat 10/24 +73° +7° usually +66°
- Sun 10/25 +79° +13° usually +66°
- Mon 10/26 +75° +10° usually +65°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 19
Today is cooler than usual for this date.
- Heat record +83° 2005
- Cold record +26° 2022
- Most precipitation 1.6 in 2020
- Strongest gust 38 mph 2011
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Saint Clair
Today is about 10° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +42° / +26° | +32° | 2.9 |
| Feb | +47° / +29° | +36° | 2.5 |
| Mar | +58° / +38° | +46° | 3.9 |
| Apr | +68° / +47° | +56° | 4.7 |
| May | +76° / +57° | +65° | 5.1 |
| Jun | +85° / +66° | +75° | 4.0 |
| Jul | +89° / +70° | +79° | 3.7 |
| Aug | +88° / +68° | +77° | 3.2 |
| Sep | +81° / +60° | +70° | 3.2 |
| Oct | +70° / +50° | +59° | 3.4 |
| Nov | +56° / +39° | +46° | 3.5 |
| Dec | +46° / +31° | +37° | 2.6 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:17 AM | 6:19 PM
Moon
3:04 PM | 12:16 AM
Moon phase
Waxing gibbous 60%
Next solar eclipse
Calculating for this city…