Weather forecast for todayJanesville, IL

Weather forecast for today

Current condition 5:18 am CDT

  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 5mphSSE 160°
  • Humidity: 68%
  • Dewpoint: 50°F
  • Pressure: 30.16"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, an endless stretch of blue sky remains completely clear.
The temperature is a breezy 60.8°F. The current temperature is far from today's maximum-anticipated 80.6°F.

Thursday Oct 29, 2026

  • 81°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSW 228°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
Today, in Janesville, sunny intervals will be long-lasting, with few disruptions.
Temperature changes will be considerable, from a high of a temperate 80.6°F to a low of a fresh 53.6°F.
The maximum heat index, which combines relative humidity and air temperature, is calculated to be 82.4°F.
Expect temperatures to match September's average maximum of 77.2°F rather than October's 63.9°F.
Sunrise will be at 7:17 am and sunset at 5:55 pm; the daylight will last for 10h and 37min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 79°C.
Coldest hour: 8 am 57°C.

Chance of precipitation

Highest chance: 8 pm 10%.

Hourly weather forecast

  • 6 am
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 71%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:17 am
  • 8 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 201°
  • Humidity: 73%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 211°
  • Humidity: 59%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 227°
  • Humidity: 44%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphWSW 239°
  • Humidity: 42%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 79°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 252°
  • Humidity: 44%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:55 pm
  • 6 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphW 281°
  • Humidity: 59%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 66°F
  • Feels like:
    66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 3mphNNW 333°
  • Humidity: 77%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphNNE 13°
  • Humidity: 82%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Janesville, a combination of cloudy and bright weather is expected.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 78.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more comparable to September's typical high of 77.2°F than the average for October. The nighttime low will be a few degrees higher than the typical October minimum temperature of 48.2°F.
Updated: Oct 29, 2026 @ 10:18:33 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (4:18 am CST) is 60.8°F.

On Thursday, mostly sunny weather is likely, with high visibility.

Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 53.6°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 82.4°F.
The highest temperature will be significantly higher than the average maximum of 63.9°F in October. The lowest temperature will be a few degrees higher than the average low of 48.2°F.

On Thursday, in Janesville, sunrise will be at 7:17 am and sunset at 5:55 pm (CDT).

In Janesville, today, there will be 10h and 37min of daylight.