St Louis (United States of America) weather

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Forecast days

Mon 21 Sep

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 17° Celsius;

Sunrise: 06:48

Sunset: 18:59

Overcast.

M UV

No pollution data.

No pollen data.

Mon 21 Sep

Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
Tue 22 Sep

Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 15° Celsius;

Sunrise: 06:49

Sunset: 18:58

Overcast.

M UV

No pollution data.

No pollen data.

Tue 22 Sep

Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
Wed 23 Sep

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 16° Celsius;

Sunrise: 06:50

Sunset: 18:56

Sunny intervals changing to partly cloudy by early evening.

H UV

No pollution data.

No pollen data.

Wed 23 Sep

Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
Thu 24 Sep

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 18° Celsius;

Sunrise: 06:51

Sunset: 18:54

Overcast changing to sunny intervals by late morning.

H UV

No pollution data.

No pollen data.

Thu 24 Sep

Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
Fri 25 Sep

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 17° Celsius;

Sunrise: 06:52

Sunset: 18:53

Cloudy changing to sunny intervals by late morning.

H UV

No pollution data.

No pollen data.

Fri 25 Sep

Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
Sat 26 Sep

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;

Sunrise: 06:53

Sunset: 18:51

Sunny changing to partly cloudy by nighttime.

H UV

No pollution data.

No pollen data.

Sat 26 Sep

Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
Sun 27 Sep

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 17° Celsius;

Sunrise: 06:54

Sunset: 18:50

Sunny intervals changing to partly cloudy by early evening.

M UV

No pollution data.

No pollen data.

Sun 27 Sep

Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;

Overcast.

Sunrise: 06:48

Sunset: 18:59

M UV

No pollution data.

No pollen data.

7 day forecast for St Louis

Today (21 September 2026)

Time	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%
Temperature (°C)	22°	21°	20°	20°
Feels like temperature (°C)	21°	21°	20°	19°
Wind direction and speed (mph)	NE 8	NE 8	ENE 8	ENE 8
Wind gust (mph)	17	16	16	15
Visibility (description)	VG	VG	VG	VG
Humidity	77%	77%	77%	77%
UV	-	-	-	-

Tuesday (22 September 2026)

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
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	20%	20%	10%	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	19°	19°	19°	18°	18°	18°	18°	17°	17°	18°	18°	19°	19°	20°	21°	21°	22°	22°	21°	21°	20°	20°	19°	18°
Feels like temperature (°C)	19°	18°	18°	18°	17°	17°	17°	17°	17°	17°	17°	18°	19°	20°	20°	21°	21°	21°	20°	20°	19°	18°	18°	17°
Wind direction and speed (mph)	ENE 7	ENE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 8	NE 8	NE 8	NE 7	NE 8	NE 7	NE 8	NNE 8	NNE 8	NNE 9	NNE 9	NE 9	NE 8	NE 9	NE 9	NE 8
Wind gust (mph)	14	14	14	14	14	14	14	15	16	16	16	16	16	17	17	18	18	18	18	17	17	17	16	15
Visibility (description)	VG	VG	VG	VG	VG	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	78%	78%	77%	78%	78%	79%	80%	81%	80%	77%	75%	73%	70%	67%	64%	63%	62%	61%	62%	62%	63%	65%	65%	66%
UV	-	-	-	-	-	-	1	1	1	2	3	3	5	4	4	3	2	1	1	-	-	-	-	-

Wednesday (23 September 2026)

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
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	18°	17°	17°	16°	16°	15°	15°	15°	15°	16°	17°	18°	20°	21°	22°	22°	23°	23°	22°	21°	21°	20°	19°	19°
Feels like temperature (°C)	16°	16°	16°	15°	15°	15°	14°	14°	14°	15°	16°	18°	19°	20°	21°	21°	21°	21°	21°	20°	20°	19°	19°	18°
Wind direction and speed (mph)	NE 8	NNE 7	NNE 7	NNE 6	NNE 6	NNE 6	NNE 6	NNE 6	N 7	NNE 7	NNE 6	N 6	N 8	NNE 8	NNE 8	NNE 8	NNE 8	NNE 8	NNE 8	NNE 8	NNE 8	NNE 7	NNE 6	NE 6
Wind gust (mph)	15	14	13	12	12	12	12	13	14	14	14	15	17	17	17	17	18	17	17	16	15	13	12	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	67%	70%	73%	75%	76%	78%	80%	82%	80%	78%	74%	69%	64%	60%	56%	54%	54%	54%	56%	58%	63%	66%	71%	74%
UV	-	-	-	-	-	-	1	1	1	3	4	6	7	6	5	4	2	1	1	-	-	-	-	-

Thursday (24 September 2026)

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
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	18°	18°	17°	17°	17°	16°	16°	16°	16°	17°	18°	19°	20°	21°	22°	23°	23°	23°	23°	22°	22°	21°	21°	20°
Feels like temperature (°C)	18°	17°	17°	17°	16°	16°	16°	16°	16°	17°	18°	19°	20°	21°	22°	23°	23°	23°	22°	22°	21°	21°	20°	20°
Wind direction and speed (mph)	NNE 6	NNE 6	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NE 5	NE 6	NE 6	NE 6	NE 6	NE 6	ENE 6	ENE 5
Wind gust (mph)	11	10	10	10	10	10	10	10	11	12	12	13	13	13	13	13	13	13	13	12	12	11	11	10
Visibility (description)	VG	VG	VG	VG	VG	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	76%	77%	82%	85%	85%	85%	88%	88%	86%	84%	78%	74%	70%	64%	61%	59%	56%	57%	57%	60%	64%	67%	69%	74%
UV	-	-	-	-	-	-	1	1	1	2	3	5	6	6	5	3	2	1	1	-	-	-	-	-

Friday (25 September 2026)

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
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	20°	19°	19°	19°	19°	18°	18°	18°	18°	19°	19°	20°	21°	22°	23°	24°	24°	24°	23°	23°	22°	22°	21°	21°
Feels like temperature (°C)	20°	19°	19°	19°	19°	19°	18°	18°	18°	19°	20°	21°	22°	23°	23°	24°	24°	24°	23°	23°	22°	22°	21°	21°
Wind direction and speed (mph)	NE 5	NE 4	NE 4	NE 4	NE 4	NE 4	NE 4	NE 4	NE 4	ENE 5	ENE 5	ENE 4	ENE 4	ENE 4	ENE 5	ENE 5	ENE 5	ENE 5	ENE 6	ENE 6	E 6	E 6	E 6	E 6
Wind gust (mph)	9	9	8	8	8	9	8	9	10	10	11	11	11	12	12	13	12	12	12	12	12	11	12	11
Visibility (description)	VG	VG	VG	VG	VG	VG	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	76%	77%	81%	82%	84%	85%	86%	86%	86%	84%	79%	75%	69%	63%	61%	58%	56%	56%	57%	59%	62%	65%	67%	71%
UV	-	-	-	-	-	-	1	1	1	2	3	5	5	5	4	4	2	1	1	-	-	-	-	-

Saturday (26 September 2026)

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	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	10%	10%	10%	10%	10%	10%	10%	10%	<5%	<5%	10%	20%	10%
Temperature (°C)	20°	20°	19°	19°	18°	18°	18°	17°	18°	19°	20°	21°	22°	23°	24°	24°	24°	24°	24°	23°	22°
Feels like temperature (°C)	20°	20°	19°	19°	19°	18°	18°	17°	18°	18°	20°	21°	22°	23°	23°	24°	24°	24°	23°	23°	22°
Wind direction and speed (mph)	E 6	E 5	E 5	E 5	E 5	ESE 5	ESE 5	ESE 5	ESE 5	ESE 5	SE 5	SE 5	SE 5	SE 5	SE 5	SE 4	SE 5	SE 5	SE 6	SE 6	SE 5
Wind gust (mph)	11	10	10	9	9	9	9	9	10	11	11	12	12	–	–	–	–	–	–	12	11
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	–	–	VG	–	–	VG	VG
Humidity	74%	75%	76%	77%	78%	79%	81%	83%	79%	75%	71%	64%	59%	55%	54%	51%	50%	53%	55%	57%	64%
UV	-	-	-	-	-	-	1	1	1	2	4	6	6	6	1	1	2	1	1	-	-

Sunday (27 September 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	20%	30%	20%	20%	20%	30%	20%	20%
Temperature (°C)	20°	19°	18°	20°	23°	24°	23°	21°
Feels like temperature (°C)	20°	19°	18°	20°	23°	24°	23°	21°
Wind direction and speed (mph)	SE 5	SSE 5	SSE 5	SSE 5	S 6	SSE 6	SE 6	E 6
Wind gust (mph)	10	10	11	13	14	14	13	12
Visibility (description)	VG	VG	G	VG	VG	VG	VG	VG
Humidity	70%	74%	76%	71%	62%	58%	64%	73%
UV	-	-	1	3	4	2	-	-

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Forecast

Forecast for 9pm (UTC-5) Monday

Updated 01:06 (UTC+1) on Tue 22 Sep 2026

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St Louis (United States of America) weather

Find a forecast

Forecast days

Mon 21 Sep

Mon 21 Sep

Tue 22 Sep

Tue 22 Sep

Wed 23 Sep

Wed 23 Sep

Thu 24 Sep

Thu 24 Sep

Fri 25 Sep

Fri 25 Sep

Sat 26 Sep

Sat 26 Sep

Sun 27 Sep

Sun 27 Sep

7 day forecast for St Louis

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