Marlborough, Missouri Weather
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Weather Forecast for Marlborough, Missouri : St. Louis County
Issued: 9:52 pm CDT Jul 3, 2025 Latitude: 38.5703304 Longitude: -90.3370606 View on Google Maps

MouseOver for Detail Forecast
Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight Mostly Sunny on Independence Day Sunny on Saturday 40% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday
Low: 73°F High: 95°F High: 95°F High: 92°F High: 91°F High: 91°F High: 90°F High: 88°F
Low: 73°F Low: 75°F Low: 74°F Low: 71°F Low: 72°F Low: 70°F  
Mostly Clear Mostly Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
EAST ST LOUIS - (KCPS)
81°
Mostly Cloudy
as of 9:53 PM CDST
Rel. Humidity: 61%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 6500ft, Broken at 8000ft
Current Conditions at
ST LOUIS - (KSTL)
84°
Partly Cloudy
as of 9:51 PM CDST
Rel. Humidity: 51%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
3 MPH
280° West
Cloud Level(s): Scattered at 6000ft
Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
75°
Clear
as of 9:54 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
81°
Clear
as of 9:54 PM CDST
Rel. Humidity: 74%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 73. Calm wind.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 95. Calm wind becoming south 5 to 8 mph in the morning.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 73. South wind 5 to 7 mph becoming calm after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 95. Calm wind becoming south around 6 mph in the morning.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 75. South wind 3 to 6 mph.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92.
20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
40% chance of thunderstorms Monday Monday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
30% chance of thunderstorms Tuesday Night Tuesday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90.
40% chance of thunderstorms Wednesday Night Wednesday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
40% chance of thunderstorms Thursday Thursday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Current Radar Image


Sun Almanac for Marlborough, Missouri
Sunrise: 05:42 AM
Sunset: 8:29 PM
Civil Sunrise:05:11 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 04:31 AM
Nautical Sunset: 9:41 PM
Astro Sunrise: 03:46 AM
Astro Sunset: 10:26 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.