Trenton, Illinois Weather
Trenton, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Trenton, Clinton County.
Full aviation weather for Trenton is published on the Scott AFB/Midamerica Airport (KBLV) page, 15 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 Trenton 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 Trenton: Greenville Airport (KGRE) 37 km · St Louis Downtown Airport (KCPS) 41 km · St Louis Regional Airport (KALN) 45 km · Sparta Community Airport - Hunter Field (KSAR) 51 km · Centralia Municipal Airport (KENL) 52 km
Conditions reported at KBLV describe the airfield itself. Weather 15 km away can differ, particularly in terrain or near the coast. For conditions at Trenton specifically, see the current conditions and forecast above.
About Trenton, Illinois
Trenton, Illinois, unfolds across a landscape of gentle swells and broad, open fields, a place where the horizon seems to stretch on forever under a sky that often holds a deep, bruised blue at dusk. It lies 12.4 miles east of O'Fallon, IL (from O'Fallon, IL: bearing 86°T), and is situated 9.3 miles south of Highland. The terrain, shaped by the slow, deliberate work of glaciers long past, offers a rolling, fertile expanse dotted with the steadfast geometries of farmsteads and the clustered roofs of the town itself. Here, the air carries the clean scent of turned earth and the distant hum of machinery, a quiet testament to the land's enduring productivity. Sunlight, when it breaks through, casts a warm, almost buttery glow on the corn and soybean fields that ring Trenton, a living tapestry of green and gold that shifts with the seasons. The roots of Trenton run deep into the agricultural soil of Clinton County, a heritage that continues to define its economy, with farming remaining a vital pulse. This is a place where the past is not a dusty museum piece but a living presence, visible in the sturdy brick buildings that line its main streets and the enduring sense of community that has weathered the changes of time. The local character is one of quiet resilience and practical optimism, a spirit forged in the hard work of cultivating the land and building lives from the ground up. While not a bustling metropolis, Trenton offers a steady rhythm, a place where the day's labor often ends with the setting sun and the comforting glow of porch lights.
Live animated radar for Trenton 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 | Trenton, Clinton County, Illinois |
| Coordinates | 38.605604°N, 89.682037°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62293 |
| Area Code | 217 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Trenton, Illinois Weather Page
This page provides live weather conditions and forecasts for Trenton, Illinois, 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 Trenton includes coordinates 38.605604°N, 89.682037°W, situated in Clinton County. ZIP code 62293. Telephone area code: 217. 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.
