Affton, Missouri Weather
Affton, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Affton, St. Louis County.
Full aviation weather for Affton is published on the St Louis Downtown Airport (KCPS) page, 16 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Affton have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Affton: St. Louis Lambert International Airport (KSTL) 22 km · Creve Coeur Airport (K1H0) 25 km · Spirit of St Louis Airport (KSUS) 30 km · St Charles County Regional Airport/Smartt Field (KSET) 43 km · St Louis Regional Airport (KALN) 45 km
Conditions reported at KCPS describe the airfield itself. Weather 16 km away can differ, particularly in terrain or near the coast. For conditions at Affton specifically, see the current conditions and forecast above.
About Affton, Missouri
Affton unfolds across the rolling terrain of St. Louis County, its landscape a gentle rise and fall of verdant lawns and mature trees that whisper in the humid Missouri breeze. It lies 3.0 miles north of Mehlville, MO (from Mehlville, MO: bearing 349°T), and is situated 9.0 miles south-west of St. Louis. The streets, often lined with sturdy brick homes and the cheerful bloom of hydrangeas in summer, trace a topography that hints at the ancient waterways that once shaped this land, now channeled beneath the surface. Sunlight, particularly in the late afternoon, casts a warm, almost buttery glow across the rooftops, softening the edges of daily life and lending a quiet dignity to the suburban sprawl. Even the air itself seems to hold a certain substance, thick with the scent of mown grass and the distant hum of traffic, a constant, low thrum beneath the surface of stillness. The roots of Affton are entwined with the broader narrative of St. Louis County's development, a story of agricultural beginnings that gradually yielded to the outward push of metropolitan growth. Early settlers found fertile ground here, a testament to the rich alluvial soils deposited by the Mississippi River's ancient meanders, and while large-scale farming has long since receded, the memory of that agricultural past can still be glimpsed in the generous spacing of many properties and the enduring presence of venerable oak trees. Today, Affton's economy is largely a reflection of its suburban character, a mosaic of local businesses, retail centers, and the commuter flow that connects its residents to the wider economic engines of the region. The area also boasts a number of well-regarded public schools, a quiet point of pride for families who have established deep roots in Affton, contributing to a sense of enduring community that is palpable in its well-kept parks and the friendly nods exchanged on neighborhood sidewalks.
Live animated radar for Affton and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Affton, St. Louis County, Missouri |
| Coordinates | 38.550608°N, 90.333172°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63123 |
| Area Code | 314 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Affton, Missouri Weather Page
This page provides live weather conditions and forecasts for Affton, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Affton includes coordinates 38.550608°N, 90.333172°W, situated in St. Louis County. ZIP code 63123. Telephone area code: 314. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
