Weather forecast for tomorrowPrinceton, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphSSW 195°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, in Princeton, conditions remain stable and sunny, with little cloud presence.
Significant temperature fluctuations from a high of a breezy 64.4°F to a low of a cold 37.4°F are predicted.
Tomorrow's maximum temperature is expected to reflect the standard October high of 61.2°F.
Sunrise will be at 7:13 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
Significant temperature fluctuations from a high of a breezy 64.4°F to a low of a cold 37.4°F are predicted.
Tomorrow's maximum temperature is expected to reflect the standard October high of 61.2°F.
Sunrise will be at 7:13 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 191°
- Humidity: 74%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 194°
- Humidity: 77%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSW 192°
- Humidity: 78%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 187°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:13 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 191°
- Humidity: 78%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 58%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 199°
- Humidity: 43%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 201°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 195°
- Humidity: 37%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 180°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphS 176°
- Humidity: 59%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphS 177°
- Humidity: 69%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The expected low will be more in line with what’s common in November than the current October average of 45.3°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The expected low will be more in line with what’s common in November than the current October average of 45.3°F.
Updated: Oct 17, 2026 @ 15:00:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunny and dry conditions are anticipated.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 61.2°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
The highest temperature will be in line with the average maximum of 61.2°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Sunday, in Princeton, sunrise will be at 7:13 am and sunset at 6:12 pm (CDT).
In Princeton, the length of the day tomorrow will be 10h and 59min.
