Weather forecast for tomorrowPeru, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphSSW 199°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:11 pm CDT
- details ▼
On Sunday, October 18, skies will stay clear and sunny.
Temperature readings will considerable fluctuate from a daytime peak of a breezy 64.4°F to a nighttime low of an icy 37.4°F.
The maximum temperature tomorrow is expected to reflect October's average high of 61.7°F.
Sunrise will be at 7:11 am and sunset at 6:11 pm; tomorrow's daylight will last for 10h and 59min.
Temperature readings will considerable fluctuate from a daytime peak of a breezy 64.4°F to a nighttime low of an icy 37.4°F.
The maximum temperature tomorrow is expected to reflect October's average high of 61.7°F.
Sunrise will be at 7:11 am and sunset at 6:11 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 193°
- Humidity: 76%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSW 197°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSW 193°
- Humidity: 81%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 193°
- Humidity: 82%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:11 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 196°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 201°
- Humidity: 57%
- 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: 12mphSSW 203°
- Humidity: 42%
- 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 203°
- Humidity: 37%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 197°
- Humidity: 35%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 43%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphS 180°
- Humidity: 58%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphS 182°
- Humidity: 67%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily bright and sunny weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature will be alike with October's average highest temperature of 61.7°F. The lowest temperature tomorrow is more comparable to November's average minimum of 33.8°F than the average low in October of 45.7°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature will be alike with October's average highest temperature of 61.7°F. The lowest temperature tomorrow is more comparable to November's average minimum of 33.8°F than the average low in October of 45.7°F.
Updated: Oct 17, 2026 @ 17:43:19 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, the forecast calls for abundant sunshine.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
On Sunday, in Peru, sunrise will be at 7:11 am and sunset at 6:11 pm (CDT).
Tomorrow, the daylight will last for 10h and 59min.
