St. Louis Weather
55°
Clear sky
Feels like 55°
Perfect
Outdoor comfort right now
It is 55°F and clear sky in St. Louis. Nothing wet on the radar for the next 24 hours. Temperatures climb about 8°F over the next six hours. Tomorrow: clear sky, high 78°F.
- Pressure steady slowly 30.22 inHg
- Wind 2 mph WNW
- Humidity 70%
- Cloud 0%
- UV peak 7
- Rain chance 0%
Next 48 hours
Scroll sideways — or pick a day below.
Now
2
5am
7
6am
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7am
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8am
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9am
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10am
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11am
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12pm
6
1pm
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3pm
6
4pm
6
5pm
5
6pm
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7pm
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8pm
4
9pm
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10pm
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11pm
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12am
Sun
2
1am
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2am
2
3am
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4am
2
5am
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6am
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7am
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8am
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9am
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10am
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11am
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12pm
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1pm
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2pm
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3pm
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4pm
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5pm
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6pm
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7pm
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8pm
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10pm
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11pm
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12am
Mon
8
1am
7
2am
7
3am
7
Conditions in detail
-
Feels like
55°
About what it looks like
-
Dew point
47°
Dry and pleasant
-
Wind
2 mph
Gusting 4 mph from WNW
-
Pressure
30.24 inHg
Steady slowly
-
Visibility
9.9 mi
Clear
-
UV index
0
Peaks at 7 today
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Cloud cover
0%
—
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Precipitation today
0.00"
None expected
Air quality
US AQI
26
Good
- PM2.5 2 µg/m³
- PM10 2 µg/m³
- Ozone 50 µg/m³
- NO₂ 9 µg/m³
Next 14 days
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Live radar
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Best time to…
Scored hour by hour across the next two days.
-
Go for a run
100Sat 4am–12pm
Cool, calm and dry
-
Walk the dog
100Sat 4am–3am
Mild, no downpours, no ice
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Garden work
100Sun 7am–6pm
Mild and dry, sun optional
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Line-dry laundry
100Sat 7am–6pm
Dry air plus a working breeze
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Ride a bike
99Sat 4am–3am
Wind matters more than temperature
-
Patio or BBQ
99Sat 8am–3am
Warm, dry, and not too breezy
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Golden-hour photos
99Sat 3pm–6pm
Scattered cloud catches the light
-
Stargazing
98Sun 7pm–3am
Clear, dark and calm
Sun & moon
Sunrise
6:58 am
Sunset
6:40 pm
- Day length11h 42m
- Golden hour5:45 pm–6:40 pm
Last quarter
54% illuminated
Full moon in 23 days
Stargazing tonight
Marginal · 51/100
Clearest around 4am at 0% cloud.
Almanac
Historical records for this location are still loading, or unavailable.
St. Louis weather questions, answered
- Will it rain in St. Louis today?
- No — the next 24 hours in St. Louis look dry, with the chance of precipitation peaking at 0%.
- How warm does it get in St. Louis today?
- St. Louis reaches a high of 74°F and drops to 52°F overnight. Right now it is 55°F and feels like 55°F.
- What is the best time to be outside in St. Louis today?
- 10am looks like the pick — 61°F, clear sky, wind 7 mph. Outdoor comfort scores 100 out of 100 (perfect).
- What is the weather in St. Louis tomorrow?
- Clear sky, with a high of 78°F and a low of 54°F — +3.6° warmer than today. Chance of precipitation peaks at 0%.
- What time is sunrise and sunset in St. Louis?
- The sun rises at 6:58 am and sets at 6:40 pm, giving 11h 42m of daylight.
About this St. Louis forecast
Updated 2026-10-03 10:15 UTC, and refreshed automatically every few minutes. Forecast data is provided by Visual Crossing; radar frames from RainViewer; the 20-year normals and records from the ERA5 reanalysis archive. No national weather service publishes point alerts here, so only computed watches are shown.
Watches labelled computed are worked out on this site from forecast thresholds and are not official warnings — always defer to your national weather service. Need help reading a number? See the sourced weather guide.
Weather near St. Louis
Forecasts for the closest places we publish.
- Indianapolis 371 km
- Kansas City 383 km
- Memphis 387 km
- Louisville 389 km
- Nashville 408 km
- Chicago 422 km
- Des Moines 439 km
- Little Rock 470 km