USA / Saint Louis
Friday, April 17, 2026

Saint Louis, US

broken clouds

63°
Feels like 64°
H: 65° L: 61°
broken clouds

Hourly Forecast

12 PM

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63°

90%

3 PM

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72°

72%

6 PM

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83°

45%

9 PM

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83°

51%

12 AM

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75°

64%

3 AM

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75°

57%

6 AM

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67°

79%

9 AM

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63°

90%

Air Quality Index

1

Good

Air quality index is good in Saint Louis.

PM2.5

1.4

PM10

1.6

O₃

39.1

NO₂

0.8

CO

124.1

Verified Station: KSTL

Official METAR Observation

From St. Louis Lambert International Airport, MO

65°F

Mostly Cloudy

Wind

Southeast at 8.1 MPH (7 KT)

Pressure

29.89 inHg

Humidity

93%

Last Update

Last Update on Apr 17 2026, 3:51 am CDT

Data Source: NOAA's National Weather Service

Humidity

92%

Dew Point

62°

Wind Speed

8mph

Gusts

10mph

Sunrise

11:22 AM

Sunset

12:39 AM

Pressure

1012hPa

Visibility

6.2mi

5-Day Extended Outlook

Fri, Apr 17

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83°

scattered clouds

83° 63°

Sat, Apr 18

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51°

light rain

75° 51°

Sun, Apr 19

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47°

clear sky

70° 47°

Mon, Apr 20

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47°

broken clouds

75° 47°

Tue, Apr 21

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58°

overcast clouds

77° 58°

Wed, Apr 22

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64°

light rain

73° 62°

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Weather Details for Saint Louis, US

What is the weather in Saint Louis?

The current weather in Saint Louis is broken clouds. Local conditions are updated in real-time to provide the most accurate Saint Louis weather data.

What is the temperature in Saint Louis?

The current temperature in Saint Louis is 63°F (17°C). Looking for the Saint Louis temperature today? Expect a high of 65°F and a low of 61°F.

Is there a weather forecast for Saint Louis?

Yes, our Saint Louis forecast weather includes a detailed 5-day outlook and hourly updates. Stay informed about Saint Louis humidity, wind speeds, and barometric pressure.

Current Conditions & Alerts

Monitor Saint Louis current weather including visibility of 6.2 miles and atmospheric pressure of 1012 hPa.