Grafton, Illinois Weather
Grafton, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Grafton, Jersey County.
Full aviation weather for Grafton is published on the St Charles County Regional Airport/Smartt Field (KSET) page, 4 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 Grafton 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 Grafton: St. Louis Lambert International Airport (KSTL) 25 km · Creve Coeur Airport (K1H0) 28 km · St Louis Regional Airport (KALN) 34 km · Spirit of St Louis Airport (KSUS) 39 km · Greensfield Airport (KM71) 46 km
Conditions reported at KSET describe the airfield itself. Weather 4 km away can differ, particularly in terrain or near the coast. For conditions at Grafton specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Grafton.
About Grafton, Illinois
Grafton rests where the Illinois River, a broad, muscular artery, begins its final, widening embrace of the Mississippi. It lies 13.1 miles north-north-east of Saint Charles, MO (from Saint Charles, MO: bearing 12°T), and is situated 4.0 miles west-north-west of Elsah. The bluffs here rise with a quiet, persistent dignity, their forested slopes a deep, shadowed green that softens in the haze of summer and sharpens to a stark, skeletal beauty in winter. The air, especially when the wind blows off the water, carries a damp, earthy scent, a mingling of river silt and the rich, dark soil that clings to the steep inclines. Sunlight, when it breaks through the often-overcast skies, casts a pale, diffused glow that seems to caress the weathered facades of the buildings clustered along the river's edge, lending them an almost spectral quality. This is a place shaped by the river's moods and the enduring spirit of those who have learned to live with its powerful currents. Once a hub for steamboat traffic and the logging industry, Grafton’s economy now finds its pulse in tourism, drawing visitors to its scenic vistas and the promise of a simpler pace. The old general stores, their wooden floors worn smooth by countless footsteps, still stand as silent witnesses to generations of commerce, while the marina bustles with leisure craft, a modern counterpoint to the region's historical reliance on waterborne transport. The very character of Grafton seems to be etched by the slow erosion of time and the persistent caress of the river, a testament to resilience and the enduring allure of a life lived in harmony with nature's grand designs.
Live animated radar for Grafton 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 | Grafton, Jersey County, Illinois |
| Coordinates | 38.970048°N, 90.431505°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62037 |
| Area Code | 309 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Grafton, Illinois Weather Page
This page provides live weather conditions and forecasts for Grafton, 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 Grafton includes coordinates 38.970048°N, 90.431505°W, situated in Jersey County. ZIP code 62037. Telephone area code: 309. 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.
