5-day weather forecast St. Louis Oct 23, 2026

26°15° · Sunny

Weather forecast St. Louis Friday Oct 23, 2026: sunny, temperature from 15 °C to 26 °C.

Precipitation probability 1%. Wind up to 3.19 m/s (gusts 8.61 m/s). Air humidity 25–44%, atmospheric pressure 767–770 mm Hg, UV index up to 7.

Sunrise 07:18
Sunset 18:12
Full Moon97% illuminated
Moonrise 16:46 · Moonset 04:40
Chart
Table
Fri, Oct 23, 2026
TimeWeatherTemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00
Clear
18 °C1% 5%38%767 mm HgESE 114° 2.19 (4.11) m/s0
01:00
Clear
18 °C1% 5%39%767 mm HgSE 127° 1.89 (3.33) m/s0
02:00
Clear
17 °C1% 1%40%767 mm HgSE 133° 1.81 (3.31) m/s0
03:00
Clear
17 °C1% 0%40%767 mm HgSE 144° 1.81 (3.22) m/s0
04:00
Clear
16 °C1% 0%41%767 mm HgSE 135° 1.89 (3.33) m/s0
05:00
Clear
16 °C1% 0%42%768 mm HgSE 132° 2 (3.42) m/s0
06:00
Clear
16 °C1% 2%43%768 mm HgSE 126° 2 (3.81) m/s0
07:00
Clear
15 °C1% 3%44%768 mm HgSE 132° 2 (3.81) m/s0
08:00
Sunny
16 °C1% 0%44%769 mm HgSE 125° 2.11 (4.19) m/s5
09:00
Sunny
18 °C1% 0%40%770 mm HgSE 135° 2.39 (4.14) m/s5
10:00
Sunny
20 °C1% 0%35%770 mm HgSE 137° 2.81 (4.31) m/s5
11:00
Sunny
21 °C1% 0%31%770 mm HgSE 141° 2.89 (4.22) m/s6
12:00
Sunny
23 °C0% 0%28%769 mm HgSE 136° 3.11 (4.11) m/s6
13:00
Sunny
24 °C0% 0%26%769 mm HgSE 140° 3 (3.83) m/s6
14:00
Sunny
25 °C0% 0%25%768 mm HgSE 139° 3 (3.72) m/s7
15:00
Sunny
26 °C0% 0%25%767 mm HgSE 137° 3 (3.72) m/s7
16:00
Sunny
26 °C0% 0%25%767 mm HgSE 136° 3.11 (3.81) m/s7
17:00
Sunny
25 °C0% 0%27%767 mm HgSE 132° 2.89 (4) m/s7
18:00
Sunny
23 °C1% 5%31%767 mm HgESE 119° 2.61 (4.64) m/s6
19:00
Clear
22 °C1% 5%34%768 mm HgESE 117° 2.89 (6.53) m/s0
20:00
Clear
21 °C1% 5%35%768 mm HgESE 123° 3.19 (8.03) m/s0
21:00
Clear
20 °C1% 0%36%768 mm HgSE 129° 3.19 (8.61) m/s0
22:00
Clear
19 °C1% 0%37%769 mm HgSE 133° 3.11 (8.61) m/s0
23:00
Clear
19 °C1% 0%37%769 mm HgSE 139° 3 (8.42) m/s0
Fri, Oct 23, 2026

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.