Weather forecast for todayPetersburg, IL

Weather forecast for today

Current condition 12:53 am CST

  • 41°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 4mphW 260°
  • Humidity: 92%
  • Dewpoint: 39°F
  • Pressure: 29.9"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
In Petersburg, at the moment, a mix of cloud cover and clear skies can be seen.
The temperature is a cold 41°F, and the apparent temperature is almost the same at 39.2°F. The current temperature is only a few degrees off the highest temperature of the day.

Thursday Nov 12, 2026

  • 46°F
  • 32°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 16mphNNW 344°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 6:41 am CST
  • Sunset: 4:45 pm CST
  • ▼
Today, on Thursday, November 12, morning clouds will linger before giving way to afternoon sunshine.
The temperature will vary between a maximum of a chilly 46.4°F and a minimum of a cold 32°F.
The anticipated high temperature will align with November's average of 50°F.
Sunrise will be at 6:41 am and sunset at 4:45 pm; the daylight will last for 10h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 1 pm 46°C.
Coldest hour: 10 pm 36°C.

Chance of precipitation

Highest chance: 7 am - 10 am 5%.

Hourly weather forecast

  • 2 am
  • 43°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNW 314°
  • Humidity: 90%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNW 324°
  • Humidity: 92%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphNW 325°
  • Humidity: 90%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:41 am
  • 8 am
  • 43°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphNNW 337°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphNNW 346°
  • Humidity: 71%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 46°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphN 349°
  • Humidity: 60%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 45°F
  • Feels like:
    37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphNNW 347°
  • Humidity: 53%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 45°F
  • Feels like:
    37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphNNW 345°
  • Humidity: 53%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:45 pm
  • 6 pm
  • 41°F
  • Feels like:
    34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNNW 343°
  • Humidity: 59%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 37°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNW 338°
  • Humidity: 64%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 36°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphNNW 337°
  • Humidity: 68%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, cloudiness will dominate.
The temperature will be between a minimum of 35.6°F and a maximum of 46.4°F. The feels-like temperature will be between the highest temperature of 39.2°F and the lowest temperature of 28.4°F. The warmest part of the day will be from 11 am to 1 pm.
The maximum temperature will be in line with the average high of 50°F in November. The minimum temperature will be also a few degrees lower than November's average low of 36°F.
Updated: Nov 12, 2026 @ 06:53:32 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (12:53 am CST) is 41°F.

On Thursday, early cloud cover is expected, followed by a warm and sunny afternoon.

Today, the maximum temperature will be 46.4°F, while the minimum temperature will be 32°F.
The highest temperature will be in line with the average maximum of 50°F in November. The lowest temperature will be slightly cooler than the average low of 36°F.

On Thursday, in Petersburg, sunrise will be at 6:41 am and sunset at 4:45 pm (CST).

In Petersburg, Illinois, the length of the day today will be 10h and 4min.