Weather forecast for todayByron, WI

Weather forecast for today

Current condition 1:55 pm CDT

  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 44%
  • Dewpoint: 43°F
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, the perfect day for a walk, with a clear sky and a warm sun.
The temperature is an enjoyable 66.2°F. The current temperature is almost at the maximum expected 68°F for today.

Monday Oct 19, 2026

  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
Today, on Monday, October 19, expect a mix of sun and clouds throughout the day.
Substantial temperature fluctuations from a high of a pleasant 68°F to a low of an icy 39.2°F are predicted.
Expect temperatures to match September's average maximum of 69.6°F rather than October's 56.3°F.
Sunrise was at 7:13 am and sunset will be at 6:04 pm; the daylight will last for 10h and 51min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 66°C.
Coldest period: 10 pm - 11 pm 46°C.

Chance of precipitation

Highest chance: 10 pm - 11 pm 7%.

Hourly weather forecast

  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 225°
  • Humidity: 44%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 202°
  • Humidity: 44%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphS 178°
  • Humidity: 45%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 157°
  • Humidity: 53%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 115°
  • Humidity: 64%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:04 pm
  • 7 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 102°
  • Humidity: 70%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphESE 103°
  • Humidity: 78%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphESE 112°
  • Humidity: 82%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphESE 114°
  • Humidity: 86%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphESE 114°
  • Humidity: 87%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Monday, primarily cloud-filled and occasionally sunny weather is predicted.
The temperature will be between the lowest temperature of 46.4°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more consistent with September's average maximum of 69.6°F than October's usual of 56.3°F. The night temperature will be close to the standard October low of 41.9°F.
Updated: Oct 19, 2026 @ 18:55:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:55 pm CDT) it is 66.2°F in Byron.

Today, in Byron, partly cloudy skies will persist, making for a mix of sun and clouds.

Today, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 41.9°F.

On Monday, in Byron, sunrise was at 7:13 am and sunset will be at 6:04 pm (CDT).

In Byron, today, there will be 10h and 51min of daylight.