Today | Weather | Monday, November 2, 2026

Weather in Janesville, Wisconsin

03:00 AM
Now
Cloudy Weather
55° F
Feels Like 54°
Precipitation 40 %
Wind 7 mph
Humidity 81 %
Today
Rainy Weather
Day 63°
Night 61°
Precipitation 57 %
Wind 15 mph
UV Index (0 - 11+) 1

Janesville Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 2, 2025)
Cloudy Weather

Day

52°

Night

39°

Wind

9 mph

UV Index

1

Precipitation

25 %

Air Quality in Janesville

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.56 µg/m³
PM10 4.94 µg/m³
O3 0.040 ppm
NO2 1.7 ppb
SO2 0.8 ppb
CO 0.12 ppm
NH3 0.21 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 4.56 µg/m³
PM10 – 4.94 µg/m³
O3 – 79.02 µg/m³
NO2 – 3.17 µg/m³
SO2 – 1.99 µg/m³
CO – 141.07 µg/m³
NH3 – 0.21 µg/m³
NO – 0 µg/m³