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)	17	17	17	17	16	16	16	15	14	14	15	14	14	15	15	15	16	15	15	14	14	14	14	14
Precipitation (mm/hr)	0	0.29	0.02	0	0.12	0.19	0.18	0.04	0.13	0.22	0.03	0.16	0.13	0.06	0.1	0.1	0.12	0.1	0.2	0.19	0.1	0.1	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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	98	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	30	51	31	28	35	46	46	20	42	47	15	42	38	17	21	22	23	25	35	40	35	35	25	24

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)	3.81	4.61	4.39	3.89	4.5	4.89	5	4.5	4.69	5.5	4.69	5.5	5.11	3.19	2.69	2.19	1.69	1.81	1.81	1.89	2.31	2.61	3	2.81
Wind gust (m/s)	6.61	9.92	8.83	7.89	10.89	9.5	10.03	11.11	9.61	11.61	10.72	12.22	10.89	9	7.89	6.81	5.72	5.69	5.61	5.61	6.39	7.11	7.83	7.5
Wind direction (°)	NNW 341°	N 6°	N 1°	N 2°	NNE 19°	N 358°	N 8°	NNE 23°	N 4°	N 8°	NNE 23°	NNE 29°	NNE 30°	NE 36°	NE 56°	ENE 76°	E 96°	ESE 105°	ESE 115°	SE 125°	ESE 115°	ESE 105°	E 95°	E 92°

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	89	88	82	91	92	67	90	90	56	89	86	54	56	58	60	67	75	82	83	83	83	81

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	765	764	765	767	767	767	768	767	768	768	767	767	767	767	767	767	767	767	767	767

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	3	3	3	3	3	3	4	4	4	4	3	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

← Thu, Oct 1

Fri, Oct 2, 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.

Learn more about our methodology →

5-day weather forecast St. Louis Oct 2, 2026

Forecast from 14 °C to 17 °C and precipitation