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Janesville, Illinois Weather

Janesville, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Janesville, Cumberland County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Janesville — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Janesville.

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Janesville and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Janesville, Illinois

Janesville lies where the land begins its slow, deliberate swell, a gentle rising from the flatter plains to the north, hinting at the subtle topography of the Illinois countryside. It lies 35.2 miles west-north-west of York, IL (from York, IL: bearing 294°T), and is situated 9.2 miles south-south-west of Charleston. Here, fields of corn and soybeans stretch out like rumpled velvet under the vast, often brilliant sky, their rows creating a quiet geometry that shifts with the seasons. The air itself carries a certain stillness, broken only by the distant rumble of a tractor or the call of a hawk circling high above. The character of Janesville is one of quiet persistence, a place where the days unfold with a measured, predictable grace, marked by the steady progress of agricultural life and the enduring presence of its modest homes and businesses. The history of Janesville is intrinsically tied to the fertile soil that surrounds it, a legacy of farming that has shaped its economy and its people for generations. While not a hub of industry, the land's bounty has always been its primary currency, with generations of families cultivating the rich earth. The local character is one of practicality and a deep connection to the cycles of nature, a sentiment often reflected in the unpretentious warmth of its residents. There are no grand monuments or bustling attractions in Janesville, but rather a simple, honest beauty found in the sweep of the fields at sunset, the comforting solidity of its old brick buildings, and the enduring rhythm of a community that has grown, and continues to grow, in tandem with the land it calls home.

LocationJanesville, Cumberland County, Illinois
Coordinates39.374203°N, 88.243653°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62435, 62440
Area Code217
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service