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

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Table

← Sat, Jul 11

Sun, Jul 12, 2026

Mon, Jul 13 →

Forecast from 23 °C to 31 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	23	23	23	23	23	23	23	23	24	25	27	28	29	30	30	31	31	30	30	28	26	24	24	23
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0.03	0.03	0.02	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	6	32	18	26	26	25	26	39	35	19	28	40	71	83	87	21	19	22	8	2	0	0	0	0
Rain chance (%)	14	17	15	16	16	16	16	17	14	11	9	9	13	14	13	4	4	4	4	5	7	9	9	11

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1.89	1.5	1.31	1.31	1.31	1.31	1.19	1.61	1.81	2	2.11	2.5	2.69	2.81	3	3.11	3.5	3.39	3.5	3.39	3	3	3.39	2.89
Wind gust (m/s)	3.67	2.83	2.36	2.36	2.36	2.36	2.17	2.53	2.5	2.5	2.42	2.89	3.11	3.22	3.44	3.58	4.03	4.22	4.64	5.19	5.56	6.03	6.89	5.94
Wind direction (°)	E 98°	ESE 122°	ESE 110°	E 90°	ENE 72°	ENE 60°	NE 50°	ENE 59°	ENE 78°	E 91°	E 94°	E 87°	E 89°	E 90°	E 85°	E 85°	E 84°	E 84°	E 79°	ENE 78°	ENE 69°	ENE 67°	ENE 68°	ENE 66°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	90	91	91	91	91	91	91	89	85	81	75	70	66	62	59	57	56	58	63	69	76	81	81	86

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	764	764	764	764	764	764	764	764	764	765	765	765	765	765	765	764	764	764	764	764	764	764	764	765

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.4	1.3	2.9	5.1	7.5	9.3	10	9.5	7.7	5.4	3.1	1.3	0.4	0	0	0	0

← Sat, Jul 11

Sun, Jul 12, 2026

Mon, Jul 13 →

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.

Learn more about our methodology →