What is today's weather forecast for Affton, MO?

Today's forecast for Affton shows a high of 58 degrees and a low of 54 degrees Fahrenheit. A 50 percent chance of rain, mainly between noon and 1pm.

What is the 7-day weather forecast for Affton, MO?

The 7-day forecast for Affton shows highs from 51 to 65 degrees and lows from 41 to 54 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Affton, MO this week?

Yes, rain is possible in Affton this week. Precipitation chances: Thursday (80% chance), Friday (90% chance), Sunday (20% chance), Monday (70% chance), Tuesday (40% chance).

How accurate is the Affton weather forecast?

WeatherForYou provides highly accurate Affton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Affton, MO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

49°F
Feels Like 49°F

Humidity 95% Dew Point 48°F Wind Calm Barometer 30.09 in.764.3 mm

Solar Rad 69 w/m²

Report from a personal weather station 1.6 miles NNE of central Affton
at 8:47 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

50%

FriNov 21

90%

SatNov 22

SunNov 23

MonNov 24

50%

TueNov 25

40%

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 51°F to 65°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for November. Normal highs for this period are around 56°F with lows around 36°F.

This Date in Weather History

1914 - The high temperature of 28 degrees at Atlanta, GA, was their earliest daily high below the freezing mark.

Affton, MO 7 Day Weather Forecast Details

Thursday Nov 20

Day: A 50 percent chance of rain, mainly between noon and 1pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 58. Southeast wind around 6 mph.

Night: Rain and thunderstorms likely before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Patchy fog after 8pm. Low around 54. Light southeast wind. Chance of precipitation is 80%.

Friday Nov 21

Day: Rain and possibly a thunderstorm. Patchy fog before noon. High near 65. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%.

Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 46. North wind around 6 mph.

Saturday Nov 22

Day: Mostly sunny, with a high near 58. North wind around 5 mph becoming calm in the morning.

Night: Mostly clear, with a low around 41.

Sunday Nov 23

Day: Mostly sunny, with a high near 63.

Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.

Monday Nov 24

Day: A 50 percent chance of rain. Mostly cloudy, with a high near 58.

Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

Tuesday Nov 25

Day: A 40 percent chance of rain. Partly sunny, with a high near 60.

Night: Mostly cloudy, with a low around 41.

Wednesday Nov 26

Day: Partly sunny, with a high near 51.

About Affton, MO

Affton is an unincorporated community and census-designated place (CDP) in south St. Louis County, Missouri, United States, near St. Louis. The population was 20,417 at the 2020 United States census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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