Jefferson County Weather Today — Wisconsin, United States
Current temperature, rain chance, humidity, wind and air quality in Jefferson County, plus an hourly and 3-day forecast. Updated through the day.
13:18
Sun, 20 Sep 2026
📍 Wisconsin, United States
Jefferson County??
20
°C
Patchy rain nearby
Feels 22°C · 69°F
💧 92% Humidity
💨 ↙ 10.1 km/h SW
👁 10 km Visibility
🌧 0.08 mm Precip
☁ 100% Cloud
☀️ UV Moderate
🌿 AQI Good
☀️ UV Index
3.6
Moderate
🔵 Pressure
1014
hPa · 29.95 in
💨 Wind
10.1
km/h · Gust 22 km/h
↙ SW
💧 Humidity
92%
Dew point 19°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
20.4°
Wind chill 20.4°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:49 AM
🌇
Sunset
07:04 PM
📅 3-Day Forecast
Sunday
20 Sep 2026
Sunny
17°
/
3°
💧48%
🌧0mm
💨26
☀️UV 7.8
Monday
21 Sep 2026
Sunny
18°
/
1°
💧48%
🌧0mm
💨16
☀️UV 7.9
Tuesday
22 Sep 2026
Sunny
19°
/
3°
💧54%
🌧0mm
💨25
☀️UV 8
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