Weather forecast for todayPetersburg, IL

Weather forecast for today

Current condition 7:53 am CST

  • 43°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0"
  • Wind: 10mphNW 320°
  • Humidity: 91%
  • Dewpoint: 39°F
  • Pressure: 29.95"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Petersburg, at the moment, conditions remain mostly cloudy, with overcast moments.
The temperature is a chilly 42.8°F, and the real-feel temperature of due to the wind comes in at computed to be an icy 35.6°F. The current temperature is nearly at the maximum 46.4°F for today.

Thursday Nov 12, 2026

  • 46°F
  • 32°F
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 16mphNNW 346°
  • Humidity: 64%
  • UV index: 1
  • Sunrise: 6:41 am CST
  • Sunset: 4:45 pm CST
  • ▼
On Thursday, in Petersburg, gloomy weather with thick clouds is expected.
The temperature will fluctuate from a high of a brisk 46.4°F to a low of a cold 32°F.
Expect the maximum temperature to remain consistent with the typical November high of 50°F.
Sunrise was at 6:41 am and sunset will be at 4:45 pm; the daylight will last for 10h and 4min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 2 pm 45°C.
Coldest hour: 12 am 34°C.

Chance of precipitation

Highest chance: 10 am 12%.

Hourly weather forecast

  • 8 am
  • 43°F
  • Feels like:
    37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphNNW 340°
  • Humidity: 90%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 43°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 13mphNNW 343°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphNNW 345°
  • Humidity: 77%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 11 am
  • 45°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 16mphNNW 347°
  • Humidity: 67%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 16mphN 349°
  • Humidity: 63%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 1 pm
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 16mphNNW 347°
  • Humidity: 59%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphNNW 348°
  • Humidity: 53%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 3 pm
  • 45°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphNNW 347°
  • Humidity: 51%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 pm
  • 43°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphNNW 346°
  • Humidity: 54%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:45 pm
  • 5 pm
  • 43°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNNW 345°
  • Humidity: 55%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 41°F
  • Feels like:
    34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNNW 342°
  • Humidity: 58%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 39°F
  • Feels like:
    32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNNW 341°
  • Humidity: 61%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 37°F
  • Feels like:
    30°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNNW 340°
  • Humidity: 62%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 37°F
  • Feels like:
    30°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNW 338°
  • Humidity: 65%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 36°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphNNW 336°
  • Humidity: 67%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 36°F
  • Feels like:
    28°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNNW 335°
  • Humidity: 69%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Petersburg, cloudy skies are expected.
The temperature will vary between the highest temperature of 44.6°F and the lowest temperature of 35.6°F. The feels-like temperature will vary between a minimum of 28.4°F and a maximum of 39.2°F. The warmest part of the day will be from 11 am to 3 pm.
The highest temperature will be in line with November's average maximum of 50°F. Forecasts indicate a night temperature also a couple of degrees lower than the usual November minimum of 36°F.
Updated: Nov 12, 2026 @ 13:53:04 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (7:53 am CST) is 42.8°F. Feels-like temperature is 35.6°F.

Today, the sky will be blanketed in clouds.

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

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

Today in Petersburg, the daylight will last for 10h and 4min.