5-day weather forecast St. Louis 12-07-2026

Weather forecast St. Louis Sunday, July 12 12.07.2026: sunny, temperature from 23 °C to 31 °C.

Precipitation probability 14%. Wind up to 3.5 m/s (gusts 6.89 m/s). Air humidity 56–91%, atmospheric pressure 764–765 mm Hg, UV index up to 10.

Sunrise 05:46
Sunset 20:26
New Moon2% illuminated
Moonrise 03:03 · Moonset 19:03
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
23 °C14% 6%90%764 mm HgE 98° 1.89 (3.67) m/s0
01:00Weather
Partly cloudy
23 °C17% 32%91%764 mm HgESE 122° 1.5 (2.83) m/s0
02:00Weather
Clear
23 °C15% 18%91%764 mm HgESE 110° 1.31 (2.36) m/s0
03:00Weather
Partly cloudy
23 °C16% 26%91%764 mm HgE 90° 1.31 (2.36) m/s0
04:00Weather
Partly cloudy
23 °C16% 26%91%764 mm HgENE 72° 1.31 (2.36) m/s0
05:00Weather
Partly cloudy
23 °C16% 25%91%764 mm HgENE 60° 1.31 (2.36) m/s0
06:00Weather
Partly cloudy
23 °C16% 26%91%764 mm HgNE 50° 1.19 (2.17) m/s0
07:00Weather
Partly cloudy
23 °C17% 39%89%764 mm HgENE 59° 1.61 (2.53) m/s0.4
08:00Weather
Partly cloudy
24 °C14% 35%85%764 mm HgENE 78° 1.81 (2.5) m/s1.3
09:00Weather
Sunny
25 °C11% 19%81%765 mm HgE 91° 2 (2.5) m/s2.9
10:00Weather
Partly cloudy
27 °C9% 28%75%765 mm HgE 94° 2.11 (2.42) m/s5.1
11:00Weather
Partly cloudy
28 °C9% 40%70%765 mm HgE 87° 2.5 (2.89) m/s7.5
12:00Weather
Patchy rain possible
29 °C13% (0.03 mm/hr)71%66%765 mm HgE 89° 2.69 (3.11) m/s9.3
13:00Weather
Patchy rain possible
30 °C14% (0.03 mm/hr)83%62%765 mm HgE 90° 2.81 (3.22) m/s10
14:00Weather
Patchy rain possible
30 °C13% (0.02 mm/hr)87%59%765 mm HgE 85° 3 (3.44) m/s9.5
15:00Weather
Sunny
31 °C4% 21%57%764 mm HgE 85° 3.11 (3.58) m/s7.7
16:00Weather
Sunny
31 °C4% 19%56%764 mm HgE 84° 3.5 (4.03) m/s5.4
17:00Weather
Sunny
30 °C4% 22%58%764 mm HgE 84° 3.39 (4.22) m/s3.1
18:00Weather
Sunny
30 °C4% 8%63%764 mm HgE 79° 3.5 (4.64) m/s1.3
19:00Weather
Sunny
28 °C5% 2%69%764 mm HgENE 78° 3.39 (5.19) m/s0.4
20:00Weather
Sunny
26 °C7% 0%76%764 mm HgENE 69° 3 (5.56) m/s0
21:00Weather
Clear
24 °C9% 0%81%764 mm HgENE 67° 3 (6.03) m/s0
22:00Weather
Clear
24 °C9% 0%81%764 mm HgENE 68° 3.39 (6.89) m/s0
23:00Weather
Clear
23 °C11% 0%86%765 mm HgENE 66° 2.89 (5.94) m/s0

St. Louis on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.