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WeatherLive › Missouri › St. Louis

St. Louis, MO Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSt. Louis · 8:26 AM CDT
92° | 67°
71°F
Feels like 75°
Partly cloudy
+2° vs. normal — warmer than usual for this time of year
WindS 5 mph · Gusts 7 mph
Precip5% · –
Humidity87% · Dew point 67°
UV index9 Very high
Air Quality56 Moderate
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:17 AM · 7:51 PM · 13h 34m

Weather map — St. Louis

Full radar →
Now
71°
19%
5 mph
09:00
75°
10%
5 mph
10:00
78°
8%
6 mph
11:00
85°
5%
4 mph
12:00
87°
4%
4 mph
13:00
88°
7%
3 mph
14:00
90°
1%
2 mph
15:00
91°
4%
3 mph
16:00
92°
2%
3 mph
17:00
92°
1%
5 mph
18:00
89°
1%
8 mph
19:00
85°
1%
10 mph
20:00
81°
2%
10 mph
21:00
79°
13%
10 mph
22:00
79°
13%
9 mph
23:00
78°
12%
9 mph
00:00
76°
16%
6 mph
01:00
74°
0.02 in
5 mph
02:00
73°
0.02 in
7 mph
03:00
67°
0.62 in
15 mph
04:00
68°
56%
12 mph
05:00
68°
0.14 in
9 mph
06:00
68°
0.05 in
8 mph
07:00
68°
0.10 in
8 mph

Today · Tue 8/18

High 92°
5% / –

Sunny. Winds SE at 10 mph.

Tonight · Tue 8/18

Low 67°
13% / –

Mostly cloudy. Winds SE at 10 mph.

Tomorrow · Wed 8/19

87° | 67°
78% / 0.98 in

Sunny. Winds NW at 15 mph.

7-day trend

St. Louis · temperature + precipitation

10-day forecast

Updated 8:26 AM

Details & indices

Wind
5 mph S
Gusts 7 mph
Humidity
87%
Dew point 67°
Pressure
30.06 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 56 · US EPA
Allergy
High
Mugwort
Visibility
6 mi
Clear view
Allergy — St. Louis

🌿 Conditions right now

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Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Low

Sun & moon

Sunrise6:17 AM
Sunset7:51 PM
Length of day13h 34m
Moonrise12:44 PM
Moonset10:42 PM
Moon phase🌓 First Quarter · 35%
Next full moonAug 27 Sturgeon Moon
Latitude38.6273°N
Longitude-90.1979°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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
1991-2020 climate normals — St. Louis

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) 40° 47° 58° 67° 77° 87° 89° 86° 82° 69° 55° 48°
Min (°F) 25° 28° 38° 46° 58° 67° 71° 69° 63° 51° 38° 32°
Precip (in) 3.5 3.0 5.6 5.3 5.7 4.8 6.8 5.0 4.8 3.8 3.1 2.9
Warmest: Jul · ⌀ 89°F Coldest: Jan · ⌀ 25°F Wettest: Jul · 6.8 in
Nearby places in {{REGION}}
Kansas City
Mostly cloudy
66° 🌤️
Springfield
—
—
Data sources · Tuesday, August 18
Where the St. Louis 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: 38.6273°N, -90.1979°.
NBM + global weather models
Updated: 8:26 AM
ZIP codes in St. Louis
📮
63101
St. Louis
 📮
63102
St. Louis
 📮
63103
St. Louis
 📮
63104
St. Louis
 📮
63106
St. Louis
 📮
63107
St. Louis
 📮
63110
St. Louis
 📮
63118
St. Louis
 📮
63150
St. Louis
 📮
63155
St. Louis
 📮
63169
St. Louis
 📮
63180
St. Louis
 📮
63182
St. Louis
 📮
63188
St. Louis
 📮
63197
St. Louis
Weather in St. Louis
Over the next 10 days St. Louis tops out around 92° (Tuesday) and dips to 57° on the coolest night (Thursday). Models drop roughly 1.2 in of precipitation across the stretch — watch Monday (80%). Hold onto the patio furniture Monday: gusts could hit 35 mph. The NWS alert board for this area is currently clear. Right now St. Louis is running about 7° warmer than Columbia. Longer view: continental plains — big swings and a spring severe-storm season.
St. Louis, MO · Elev 466 ft · 38.63°N, 90.20°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: 8:26 AM