🌤️ New York, NY Los Angeles, CA 81° 🌤️ Chicago, IL Houston, TX 100° 🌤️ Miami, FL Phoenix, AZ 100° 🌤️ Seattle, WA Denver, CO 88° 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLive › Missouri › Saint Clair

Saint Clair, MO Weather (63077)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSaint Clair · 3:04 PM CDT
91° | 72°
88°F
Feels like 95°
Sunny
WindW 6 mph · Gusts 9 mph
Precip62% · 0.34 in
Humidity58% · Dew point 72°
UV index7 High
Air Quality50 Good
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:19 AM · 7:56 PM · 13h 37m

Weather map — Saint Clair

Full radar →
Now
88°
3%
6 mph
16:00
91°
4%
4 mph
17:00
89°
4%
5 mph
18:00
87°
4%
6 mph
19:00
85°
6%
4 mph
20:00
81°
26%
7 mph
21:00
75°
0.23 in
9 mph
22:00
72°
0.10 in
7 mph
23:00
73°
26%
4 mph
00:00
73°
21%
5 mph
01:00
72°
42%
3 mph
02:00
73°
22%
0 mph
03:00
73°
42%
3 mph
04:00
72°
0.02 in
2 mph
05:00
71°
0.02 in
2 mph
06:00
71°
42%
3 mph
07:00
72°
42%
3 mph
08:00
75°
21%
2 mph
09:00
78°
16%
3 mph
10:00
82°
13%
5 mph
11:00
85°
9%
6 mph
12:00
88°
4%
5 mph
13:00
90°
5%
6 mph
14:00
91°
2%
5 mph

Today · Sun 8/16

High 91°
62% / 0.34 in

Sunny. Winds W at 10 mph.

Tonight · Sun 8/16

Low 71°
87% / 0.23 in

Showers. Winds SW at 9 mph.

Tomorrow · Mon 8/17

92° | 71°
66% / 0.12 in

Partly cloudy. Winds NE at 7 mph.

7-day trend

Saint Clair · temperature + precipitation

10-day forecast

Updated 3:04 PM

Details & indices

Wind
6 mph W
Gusts 9 mph
Humidity
58%
Dew point 72°
Pressure
29.97 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 50 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Clear view
Allergy — Saint Clair

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise6:19 AM
Sunset7:56 PM
Length of day13h 37m
Moonrise10:38 AM
Moonset9:51 PM
Moon phase🌒 Waxing Crescent · 19%
Next full moonAug 27 Sturgeon Moon
Latitude38.3453°N
Longitude-90.9810°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Kansas City
—
— 🌤️
St. Louis
—
— 🌤️
Springfield
—
—
Data sources · Sunday, August 16
Where the Saint Clair forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 38.3453°N, -90.9810°.
NBM + global weather models
Updated: 3:04 PM
Weather in Saint Clair
Saint Clair's outlook: warmest day near 101° (Tuesday), coldest night about 59° (Saturday). Models drop roughly 0.83 in of precipitation across the stretch — watch Thursday (83%). The NWS alert board for this area is currently clear. Right now Saint Clair is running about 14° warmer than Bloomington. Longer view: continental plains — big swings and a spring severe-storm season.
Saint Clair, MO · Elev 768 ft · 38.35°N, 90.98°W · Missouri · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 3:04 PM