Saint Louis Weather Conditions

Current Temperature Level

sunny
38°C
38°C18°C
Hot

Sunny

Feels Like 37°C

Chances of Rain1%

Good

33AQI

Humidity

18%

Nowsunny38°1%5 PMsunny32°1%6 PMpatchy rain possible28°17%7 PMpatchy rain possible27°7%8 PMsunny24°2%9 PMclear22°4%10 PMclear21°4%11 PMclear20°6%12 AMpartly cloudy20°7%1 AMclear20°7%2 AMclear19°7%3 AMclear19°6%4 AMclear19°6%5 AMclear18°7%6 AMclear18°6%7 AMsunny19°5%8 AMpatchy rain possible21°17%9 AMpatchy rain possible24°12%10 AMpartly cloudy26°4%11 AMsunny28°2%12 PMsunny30°2%1 PMthundery outbreaks possible31°2%2 PMpatchy rain possible31°8%3 PMpartly cloudy31°3%
.

It is likely to be sunny; sun protection may help.

Last Updated: 2026-08-15 16:00 (Local Time)

Saint Louis Weather Parameters

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Saint Louis 10-Days Weather Forecast

See Monthly
Today15 Aug.


Sunny

Sunny

Clear Sky with temperature at 26 °C and humidity will be at 44% with 26.3 km/h winds.


temperature icon

38°C  /  18°C

temperature iconHumi.44 %
temperature iconPrec.0.12 mm


Sunrise icon

Sunrise

06:25 AM

14hrs 17min

Sunset icon

Sunset

08:42 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

ClearClear

22 °C

42 %

0

7.2 kmph /  SSE

Feels Like IconFeels 21 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

1 AM

ClearClear

22 °C

44 %

0

6.8 kmph /  SSE

Feels Like IconFeels 20 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

2 AM

ClearClear

21 °C

47 %

0

7.6 kmph /  SSE

Feels Like IconFeels 19 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

3 AM

ClearClear

20 °C

52 %

0

7.6 kmph /  SSE

Feels Like IconFeels 18 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

4 AM

ClearClear

19 °C

57 %

0

6.5 kmph /  SSE

Feels Like IconFeels 18 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

5 AM

ClearClear

19 °C

61 %

0

7.2 kmph /  SSE

Feels Like IconFeels 18 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

6 AM

ClearClear

18 °C

64 %

0

7.6 kmph /  SSE

Feels Like IconFeels 17 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

19 °C

65 %

0

7.6 kmph /  SSE

Feels Like IconFeels 18 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

22 °C

57 %

0.5

6.5 kmph /  SSE

Feels Like IconFeels 22 °C

Temperature IconCover 12 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

26 °C

47 %

1.3

6.1 kmph /  SSE

Feels Like IconFeels 26 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

29 °C

38 %

2.5

5.4 kmph /  SSE

Feels Like IconFeels 29 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

32 °C

31 %

4.2

4.3 kmph /  S

Feels Like IconFeels 32 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

12 PM

SunnySunny

34 °C

26 %

5.8

2.5 kmph /  SW

Feels Like IconFeels 34 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

36 °C

23 %

6.4

1.4 kmph /  W

Feels Like IconFeels 36 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

2 PM

SunnySunny

37 °C

21 %

6.6

1.4 kmph /  NW

Feels Like IconFeels 37 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

3 PM

SunnySunny

37 °C

19 %

4.9

0.4 kmph /  NE

Feels Like IconFeels 37 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

38 °C

18 %

3.1

3.6 kmph /  W

Feels Like IconFeels 37 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

32 °C

29 %

1.9

26.3 kmph /  NNW

Feels Like IconFeels 28 °C

Temperature IconCover 10 %

Visibility IconVisibility 10 km

6 PM

Patchy rain nearbyPatchy rain nearby

28 °C

40 %

0.9

10.4 kmph /  NNE

Feels Like IconFeels 27 °C

Temperature IconCover 85 %

Visibility IconVisibility 10 km

7 PM

Patchy rain nearbyPatchy rain nearby

27 °C

41 %

0.3

8.6 kmph /  SE

Feels Like IconFeels 27 °C

Temperature IconCover 71 %

Visibility IconVisibility 10 km

8 PM

SunnySunny

24 °C

52 %

0

14 kmph /  S

Feels Like IconFeels 22 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

9 PM

ClearClear

22 °C

59 %

0

9.4 kmph /  S

Feels Like IconFeels 21 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

10 PM

ClearClear

21 °C

64 %

0

2.9 kmph /  SSE

Feels Like IconFeels 21 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

11 PM

ClearClear

20 °C

66 %

0

6.8 kmph /  S

Feels Like IconFeels 20 °C

Temperature IconCover 18 %

Visibility IconVisibility 10 km

Temp38 °C


ConditionSunny


Humidity18 %

Feels37 °C


Cover9 %


Visibility10 km

Wind Speed & Dir.3.6 kmph /  W


UV3.1

Saint Louis 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain nearby29°16°
2
Sunny34°15°
3
Sunny38°18°
4
Sunny36°17°
5
Sunny31°16°
6
Sunny31°16°
7
Sunny30°13°
8
Sunny32°13°
9
Sunny36°17°
10
Sunny33°16°
11
Sunny34°16°
12
Sunny35°15°
13
Sunny36°16°
14
Sunny38°17°
15Today
Sunny38°18°
16
Sunny32°18°
17
Sunny30°16°
18
Sunny32°15°
19
Sunny35°17°
20
Patchy rain nearby26°15°
21
Rain Shower19°14°
22
Sunny26°12°
23
Rain Showers26°14°
24
Rain Showers26°15°
25
Rain Showers25°14°
26
Rain Showers25°14°
27
Rain Showers24°14°
28
Rain Showers24°14°
29
Rain Showers24°14°
30
Rain Showers23°14°
31
Rain Showers23°13°

AugustWeather Overview

No. of days:

Sunny

Sunny

19

Cloudy

Cloudy

0

Rainy

Rainy

11

Snowy

Snowy

0


The monthly weather averages in Saint Louis consist of 19 sunny days, 0 cloudy days, 11 rainy days, and 0 snowy days.

Saint Louis's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
38 °C
sunnySunny
18%
3.1

3.6 kmph /  W

France's Hottest Cities - August 2026

Hottest
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Last Updated: 15 Aug 2026, 02:11 PM

City Weather Rankings

FAQs About Saint Louis Weather Conditions


1. What is the current temperature in Saint Louis today - 15 August 2026?

The current temperature in Saint Louis is 38°C, with a feels-like temperature of 37°C. Today's forecast shows a high of 38°C and a low of 18°C, giving a 20 degree swing through the day as of 04:00 PM 15 August 2026.

2. What are the current weather parameters in Saint Louis today?

Here is a complete overview of Saint Louis's current weather conditions as of 04:00 PM 15 August 2026: Condition : Sunny Temperature : 38°C Hot (Feels like 37°C) Humidity : 18% Wind Speed : 3.6 km/h from W (272 degrees), Gust 3 m/s UV Index : 3.1 (Moderate Air Pressure : 1011 mb Cloud Cover : 9% Visibility : 10 km Precipitation : 0 mm (17% chance of rain)

3. What is the 10-day weather forecast for Saint Louis from 04:00 PM 15 August 2026?

From 04:00 PM 15 August 2026, Saint Louis's 10-day forecast shows this trend: Today (Aug. 15) : Temp. 26°C, Hum. 44% and Sunny condition. Sunday (Aug. 16) : Temp. 24°C, Hum. 56% and Sunny condition. Monday (Aug. 17) : Temp. 22°C, Hum. 57% and Sunny condition. Tuesday (Aug. 18) : Temp. 24°C, Hum. 35% and Sunny condition. Wednesday (Aug. 19) : Temp. 25°C, Hum. 44% and Sunny condition. Thursday (Aug. 20) : Temp. 20°C, Hum. 79% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 18°C, Hum. 94% and Rain Shower condition. Saturday (Aug. 22) : Temp. 18°C, Hum. 58% and Sunny condition. Sunday (Aug. 23) : Temp. 20°C, Hum. 73% and Rain Showers condition. Monday (Aug. 24) : Temp. 20°C, Hum. 76% and Rain Showers condition.

4. Will it rain in Saint Louis today?

As of 04:00 PM 15 August 2026, there is a 1% chance of rainfall in Saint Louis later today around 2026-08-15 16:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Saint Louis in August 2026?

August 2026 in Saint Louis is forecast to have 19 sunny days, 11 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 12°C to highs of 38°C.

6. How does the weather in Saint Louis affect air quality?

Weather directly impacts air quality in Saint Louis. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.