Jefferson, Wisconsin Weather
Jefferson, Wisconsin — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Jefferson, Jefferson County.
Full aviation weather for Jefferson is published on the Sullivan Airport (KW11) page, 17 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 Jefferson 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 Jefferson: Watertown Municipal Airport (KRYV) 20 km · Waukesha County Airport (KUES) 46 km · Dodge County Airport (KUNU) 48 km · Hartford Municipal Airport (KHXF) 51 km · Capitol Drive Airport (K02C) 52 km
Conditions reported at KW11 describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Jefferson specifically, see the current conditions and forecast above.
About Jefferson, Wisconsin
Jefferson sprawls across a landscape shaped by the slow, deliberate work of glaciers, leaving behind fertile plains and a gentle undulation of land that cradles the Rock River. It lies 23.9 miles east-south-east of Sun Prairie, WI (from Sun Prairie, WI: bearing 121°T), and is situated 5.5 miles north-north-east of Fort Atkinson. The air here, especially in late afternoon, often carries the scent of freshly turned earth, mingled with the sweet perfume of blooming clover from surrounding fields. Mature oak trees, their branches thick with the wisdom of seasons, line the streets, their leaves catching the sunlight in a perpetual dance of emerald and gold. The character of Jefferson is one of quiet resilience, a place where the rhythm of the seasons dictates the pace of life, and the broad, open sky feels like an ever-present companion. The history of Jefferson is deeply intertwined with the fertile soil and the meandering Rock River, which has been a vital artery since its earliest days. Settled by pioneers drawn to the rich farmland, Jefferson grew as an agricultural hub, its economy historically rooted in the bounty of the surrounding countryside. Today, while agriculture remains a significant presence, the town has diversified, embracing small businesses that lend a unique character to its downtown core. A notable landmark is the historic courthouse, a stoic presence that has witnessed generations of community life, its architecture speaking of enduring civic pride. The spirit of Jefferson lies in its ability to blend its agricultural heritage with a forward-looking perspective, a testament to the enduring strength of its people.
Live animated radar for Jefferson 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 | Jefferson, Jefferson County, Wisconsin |
| Coordinates | 43.005559°N, 88.807327°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 53549 |
| Area Code | 715 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Jefferson, Wisconsin Weather Page
This page provides live weather conditions and forecasts for Jefferson, Wisconsin, 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 Jefferson includes coordinates 43.005559°N, 88.807327°W, situated in Jefferson County. ZIP code 53549. Telephone area code: 715. 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.
