Weather forecast for todayPrinceton, IL

Weather forecast for today

Current condition 1:19 pm CDT

  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 12mphSSW 200°
  • Humidity: 40%
  • Dewpoint: 37°F
  • Pressure: 30.38"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
At the moment, in Princeton, the sun dominates the sky, creating a bright and refreshing ambiance.
The temperature is an enjoyable 62.6°F, with the real-feel temperature closely matching at 60.8°F. The current temperature is almost at the maximum of today's 64.4°F.

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphS 191°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, skies will stay clear and sunny.
The highest daytime temperature will touch an enjoyable 64.4°F, creating a significant contrast with the forecasted nighttime low of a cold 37.4°F.
The forecasted maximum temperature will closely reflect October's average high of 61.2°F.
Sunrise was at 7:13 am and sunset will be at 6:12 pm; the daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 64°C.
Coldest hour: 11 pm 45°C.

Chance of precipitation

Highest chance: 10 pm - 11 pm 3%.

Hourly weather forecast

  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 198°
  • Humidity: 37%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 197°
  • Humidity: 36%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 193°
  • Humidity: 35%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 190°
  • Humidity: 35%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 177°
  • Humidity: 43%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 7 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 171°
  • Humidity: 53%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 172°
  • Humidity: 60%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 64%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 174°
  • Humidity: 70%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphS 180°
  • Humidity: 74%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Sunday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between a maximum of 64.4°F and a minimum of 44.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be alike with October's average highest temperature of 61.2°F. The expected low will be more similar to what’s common in November than the current October average of 45.3°F.
Updated: Oct 18, 2026 @ 18:19:44 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:19 pm CDT) it is 62.6°F in Princeton.

Today, a sun-drenched sky is anticipated.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 45.3°F.

On Sunday, in Princeton, sunrise was at 7:13 am and sunset will be at 6:12 pm (CDT).

In Princeton, Illinois, the length of the day today will be 10h and 59min.