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Current weather in St. Louis is broken clouds.

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Weather data for St. Louis is updated regularly with the latest available observations and forecasts.

Now · 9:33 AM

St. Louis Weather & Hourly Forecast

United States · Missouri · 63110

67°F

Mostly cloudy

Feels like: 66°F

💧 Humidity 70% 🌡 Pressure 30.15 inHg 💨 Wind 7 mph 👁 Visibility 19.8 mi ☁ Clouds 88% ☀️ UV index 0.5 · Low 🌅 Sunrise 6:47 AM 🌇 Sunset 6:59 PM

Hourly Forecast for St. Louis

Today

10:00 AM

Mostly cloudy

67° 💧 0.000 in 💨 7 mph H 70%30.15 inHg

1:00 PM

Overcast

71° 💧 None 💨 6 mph H 65%30.15 inHg

4:00 PM

Overcast

72° 💧 None 💨 7 mph H 61%30.12 inHg

7:00 PM

Overcast night

69° 💧 None 💨 7 mph H 64%30.12 inHg

10:00 PM

Overcast night

68° 💧 None 💨 7 mph H 65%30.18 inHg

Tomorrow

1:00 AM

Mostly clear night

64° 💧 0.001 in 💨 6 mph H 73%30.21 inHg

4:00 AM

Clear night

60° 💧 None 💨 6 mph H 84%30.21 inHg

7:00 AM

Sunny

58° 💧 None 💨 5 mph H 91%30.24 inHg

10:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 72%30.27 inHg

1:00 PM

Overcast

69° 💧 0.002 in 💨 8 mph H 62%30.27 inHg

4:00 PM

Overcast

70° 💧 0.001 in 💨 7 mph H 61%30.21 inHg

7:00 PM

Mostly clear night

68° 💧 None 💨 5 mph H 70%30.21 inHg

10:00 PM

Overcast night

65° 💧 None 💨 6 mph H 77%30.24 inHg

Thursday

1:00 AM

Overcast night

65° 💧 None 💨 4 mph H 79%30.24 inHg

4:00 AM

Overcast night

63° 💧 None 💨 4 mph H 84%30.24 inHg

7:00 AM

Overcast

63° 💧 None 💨 5 mph H 83%30.27 inHg

Today

10:00 AM

Mostly cloudy

67° 💧 None 💨 7 mph H 70%30.15 inHg

11:00 AM

Overcast

69° 💧 0.000 in 💨 6 mph H 68%30.18 inHg

12:00 PM

Overcast

70° 💧 None 💨 6 mph H 66%30.18 inHg

1:00 PM

Overcast

71° 💧 None 💨 6 mph H 65%30.15 inHg

2:00 PM

Overcast

71° 💧 None 💨 6 mph H 64%30.15 inHg

3:00 PM

Overcast

71° 💧 None 💨 6 mph H 63%30.15 inHg

4:00 PM

Overcast

72° 💧 None 💨 7 mph H 61%30.12 inHg

5:00 PM

Overcast

72° 💧 None 💨 7 mph H 60%30.12 inHg

6:00 PM

Overcast

71° 💧 None 💨 7 mph H 62%30.12 inHg

7:00 PM

Overcast night

69° 💧 None 💨 7 mph H 64%30.12 inHg

8:00 PM

Overcast night

69° 💧 None 💨 6 mph H 66%30.15 inHg

9:00 PM

Overcast night

68° 💧 None 💨 6 mph H 66%30.15 inHg

10:00 PM

Overcast night

68° 💧 None 💨 7 mph H 65%30.18 inHg

11:00 PM

Overcast night

67° 💧 None 💨 6 mph H 66%30.21 inHg

Tomorrow

12:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 68%30.21 inHg

1:00 AM

Mostly clear night

64° 💧 0.001 in 💨 6 mph H 73%30.21 inHg

2:00 AM

Clear night

62° 💧 None 💨 6 mph H 78%30.21 inHg

3:00 AM

Clear night

61° 💧 None 💨 6 mph H 81%30.21 inHg

4:00 AM

Clear night

60° 💧 None 💨 6 mph H 84%30.21 inHg

5:00 AM

Clear night

59° 💧 None 💨 5 mph H 87%30.21 inHg

6:00 AM

Clear night

59° 💧 None 💨 5 mph H 90%30.24 inHg

7:00 AM

Sunny

58° 💧 None 💨 5 mph H 91%30.24 inHg

8:00 AM

Sunny

60° 💧 None 💨 5 mph H 87%30.27 inHg

9:00 AM

Sunny

63° 💧 None 💨 6 mph H 80%30.27 inHg

10:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 72%30.27 inHg

11:00 AM

Overcast

68° 💧 None 💨 8 mph H 62%30.27 inHg

12:00 PM

Overcast

69° 💧 None 💨 8 mph H 60%30.27 inHg

1:00 PM

Overcast

69° 💧 0.002 in 💨 8 mph H 62%30.27 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 59%30.24 inHg

3:00 PM

Overcast

70° 💧 None 💨 7 mph H 60%30.24 inHg

4:00 PM

Overcast

70° 💧 0.001 in 💨 7 mph H 61%30.21 inHg

5:00 PM

Mostly cloudy

70° 💧 None 💨 7 mph H 61%30.21 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 7 mph H 63%30.21 inHg

7:00 PM

Mostly clear night

68° 💧 None 💨 5 mph H 70%30.21 inHg

8:00 PM

Mostly clear night

66° 💧 None 💨 6 mph H 75%30.24 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 6 mph H 77%30.24 inHg

10:00 PM

Overcast night

65° 💧 None 💨 6 mph H 77%30.24 inHg

11:00 PM

Overcast night

65° 💧 None 💨 5 mph H 76%30.24 inHg

Thursday

12:00 AM

Overcast night

65° 💧 None 💨 4 mph H 77%30.24 inHg

1:00 AM

Overcast night

65° 💧 None 💨 4 mph H 79%30.24 inHg

2:00 AM

Overcast night

64° 💧 None 💨 4 mph H 80%30.24 inHg

3:00 AM

Overcast night

64° 💧 None 💨 4 mph H 81%30.24 inHg

4:00 AM

Overcast night

63° 💧 None 💨 4 mph H 84%30.24 inHg

5:00 AM

Overcast night

63° 💧 None 💨 5 mph H 83%30.24 inHg

6:00 AM

Overcast night

63° 💧 None 💨 5 mph H 83%30.24 inHg

7:00 AM

Overcast

63° 💧 None 💨 5 mph H 83%30.27 inHg

8:00 AM

Overcast

63° 💧 None 💨 5 mph H 80%30.27 inHg

9:00 AM

Overcast

64° 💧 None 💨 6 mph H 76%30.27 inHg

10:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 72%30.27 inHg

11:00 AM

Mostly cloudy

68° 💧 None 💨 5 mph H 67%30.27 inHg

12:00 PM

Overcast

70° 💧 0.002 in 💨 5 mph H 63%30.24 inHg

1:00 PM

Overcast

70° 💧 None 💨 5 mph H 62%30.24 inHg

2:00 PM

Overcast

71° 💧 0.001 in 💨 5 mph H 60%30.21 inHg

3:00 PM

Overcast

72° 💧 0.001 in 💨 5 mph H 58%30.21 inHg

4:00 PM

Overcast

73° 💧 None 💨 6 mph H 58%30.21 inHg

5:00 PM

Mostly cloudy

73° 💧 None 💨 5 mph H 56%30.18 inHg

6:00 PM

Mostly cloudy

73° 💧 None 💨 4 mph H 57%30.18 inHg

7:00 PM

Overcast night

70° 💧 None 💨 3 mph H 67%30.18 inHg

Friday

4:00 AM

Mostly clear night

62° 💧 None 💨 4 mph H 90%30.21 inHg

7:00 AM

Overcast

61° 💧 None 💨 3 mph H 92%30.24 inHg

10:00 AM

Mostly cloudy

69° 💧 None 💨 4 mph H 76%30.24 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 61%30.21 inHg

4:00 PM

Overcast

73° 💧 None 💨 5 mph H 61%30.15 inHg

7:00 PM

Mostly cloudy night

71° 💧 None 💨 4 mph H 69%30.15 inHg

10:00 PM

Overcast night

67° 💧 None 💨 4 mph H 75%30.18 inHg

Saturday

1:00 AM

Mostly cloudy night

65° 💧 None 💨 5 mph H 75%30.18 inHg

4:00 AM

Overcast night

62° 💧 None 💨 5 mph H 70%30.15 inHg

7:00 AM

Overcast

60° 💧 None 💨 5 mph H 68%30.15 inHg

10:00 AM

Overcast

65° 💧 None 💨 5 mph H 57%30.18 inHg

1:00 PM

Overcast

72° 💧 None 💨 6 mph H 47%30.15 inHg

4:00 PM

Overcast

73° 💧 None 💨 6 mph H 46%30.09 inHg

7:00 PM

Overcast night

68° 💧 None 💨 7 mph H 55%30.09 inHg

10:00 PM

Overcast night

66° 💧 None 💨 5 mph H 62%30.09 inHg

Sunday

1:00 AM

Overcast night

64° 💧 None 💨 5 mph H 69%30.09 inHg

4:00 AM

Partly cloudy night

62° 💧 None 💨 4 mph H 71%30.06 inHg

7:00 AM

Partly cloudy

61° 💧 None 💨 4 mph H 74%30.06 inHg

10:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 56%30.06 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 38%30.03 inHg

4:00 PM

Sunny

82° 💧 None 💨 5 mph H 36%29.94 inHg

7:00 PM

Partly cloudy night

74° 💧 None 💨 8 mph H 50%29.94 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 7 mph H 63%29.97 inHg

Monday

1:00 AM

Partly cloudy night

66° 💧 None 💨 7 mph H 78%29.97 inHg

7:00 AM

Partly cloudy

65° 💧 None 💨 5 mph H 69%29.97 inHg

1:00 PM

Sunny

60° 💧 None 💨 3 mph H 81%30.00 inHg

7:00 PM

Clear night

76° 💧 None 💨 4 mph H 41%29.97 inHg

Tuesday

1:00 AM

Clear night

72° 💧 None 💨 4 mph H 43%29.91 inHg

7:00 AM

Sunny

63° 💧 None 💨 5 mph H 62%29.91 inHg

1:00 PM

Sunny

58° 💧 None 💨 4 mph H 73%29.94 inHg

7:00 PM

Partly cloudy night

79° 💧 None 💨 6 mph H 32%29.94 inHg

Wednesday

1:00 AM

Overcast night

75° 💧 None 💨 8 mph H 39%29.88 inHg

7:00 AM

Mostly cloudy

66° 💧 None 💨 7 mph H 54%29.91 inHg

1:00 PM

Mostly cloudy

61° 💧 None 💨 5 mph H 64%29.94 inHg

7:00 PM

Overcast night

84° 💧 None 💨 8 mph H 29%29.94 inHg

Thursday

1:00 AM

Overcast night

79° 💧 None 💨 7 mph H 32%29.91 inHg

7:00 AM

Partly cloudy

71° 💧 None 💨 7 mph H 41%29.97 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 7 mph H 54%30.00 inHg

7:00 PM

Overcast night

86° 💧 None 💨 7 mph H 26%30.03 inHg

Friday

1:00 AM

Overcast night

83° 💧 None 💨 6 mph H 28%30.00 inHg

7:00 AM

Overcast

76° 💧 None 💨 7 mph H 40%30.03 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 6 mph H 50%30.06 inHg

7:00 PM

Overcast night

84° 💧 None 💨 6 mph H 37%30.06 inHg

Saturday

1:00 AM

Mostly clear night

81° 💧 None 💨 4 mph H 45%30.00 inHg

7:00 AM

Partly cloudy

77° 💧 None 💨 7 mph H 49%30.00 inHg

1:00 PM

Overcast

76° 💧 None 💨 8 mph H 49%30.00 inHg

7:00 PM

Overcast night

75° 💧 None 💨 10 mph H 68%30.03 inHg

Sunday

1:00 AM

Light rain

71° 💧 None 💨 8 mph H 93%29.94 inHg

7:00 AM

Light rain

70° 💧 None 💨 6 mph H 97%29.94 inHg

1:00 PM

Light rain

70° 💧 None 💨 4 mph H 99%29.94 inHg

7:00 PM

Light rain

75° 💧 None 💨 3 mph H 88%29.94 inHg

Monday

1:00 AM

Light rain

71° 💧 None 💨 6 mph H 97%29.94 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 10 mph H 69%30.06 inHg

1:00 PM

Overcast

62° 💧 None 💨 7 mph H 76%30.12 inHg

7:00 PM

Overcast night

69° 💧 None 💨 7 mph H 66%30.12 inHg

Tuesday

1:00 AM

Overcast night

68° 💧 None 💨 6 mph H 59%30.09 inHg

7:00 AM

Light rain

60° 💧 None 💨 4 mph H 74%30.09 inHg

1:00 PM

Overcast

57° 💧 None 💨 6 mph H 91%30.09 inHg

7:00 PM

Clear night

68° 💧 None 💨 7 mph H 52%30.06 inHg

Wednesday

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 59%30.06 inHg

In St. Louis and, more broadly, across the state of Missouri: This morning will start with mostly cloudy skies and mild temperatures around 67 degrees. Winds will be light from the northeast at up to 9 mph, with occasional gusts reaching 18 mph. As the day progresses, temperatures are expected to warm into the low 80s, reaching around 83. Rain may develop, with some areas experiencing about 0.08 inches of accumulation. The highest chance of rain is about 85%, so keep an umbrella handy if you're heading outdoors. Winds will remain light during the afternoon, continuing from the northeast at similar speeds. Overall, it looks like a warm, mostly cloudy day with a good likelihood of some rain, especially later in the day.

15-Day Weather Outlook for St. Louis

TomorrowTomorrow

Mostly cloudy 70°/58° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Overcast 73°/63° 💧 0.010 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Overcast 75°/63° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Light rain 71°/59° 💧 0.008 in 💨 5 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 76°/60° 💧 0.003 in 💨 5 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 76°/60° 💧 None 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 79°/58° 💧 None 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 84°/61° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 86°/66° 💧 None 💨 7 mph

Friday, Oct 2Fri Oct 2

Overcast 84°/72° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Light rain 77°/71° 💧 0.185 in 💨 10 mph

Sunday, Oct 4Sun Oct 4

Light rain 75°/70° 💧 0.532 in 💨 6 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 69°/62° 💧 0.025 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Light rain 68°/57° 💧 0.157 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Louis

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Louis

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 4,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 41,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in St. Louis

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 3,9Moderate 😊Good

Tomorrow UV 6,4High 🙂Fair

Thursday UV 6,8High 🙂Fair

Friday UV 5,9Moderate 🙂Fair

Saturday UV 5,0Moderate 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

10:00 AMUV 1,2 11:00 AMUV 2,4 12:00 PMUV 3,6 1:00 PMUV 3,9 2:00 PMUV 3,4 3:00 PMUV 2,9 4:00 PMUV 1,6 5:00 PMUV 0,8 6:00 PMUV 0,2 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for St. Louis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. LOUIS, MISSOURI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:27 PM–5:21 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 66° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min74%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for St. Louis were last refreshed today at 9:33 AM. The current forecast period extends through 24/09/2026 at 7:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.