Weather forecast for tomorrowPeterson, IA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 18mphSSW 200°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:38 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, the outlook remains bright and sunny.
Significant temperature fluctuations from a high of an agreeable 68°F to a low of a cold 39.2°F are expected.
A forecast high of 68°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:38 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 55min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphSSW 201°
  • Humidity: 61%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 200°
  • Humidity: 66%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 203°
  • Humidity: 70%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSW 200°
  • Humidity: 74%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:38 am
  • 8 am
  • 43°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 200°
  • Humidity: 74%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSW 203°
  • Humidity: 61%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSW 200°
  • Humidity: 45%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSSW 200°
  • Humidity: 39%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSW 199°
  • Humidity: 37%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 189°
  • Humidity: 40%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:34 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphS 180°
  • Humidity: 55%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 183°
  • Humidity: 66%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, bright skies and dry conditions are anticipated.
The temperature will vary between a minimum of 42.8°F and a maximum of 66.2°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be more similar to September's average high of 73.8°F than October's typical of 57.9°F. The lowest temperature is expected to be slightly cooler than the average minimum in October, typically 43°F.
Updated: Oct 18, 2026 @ 03:01:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, conditions will remain bright with clear skies.

Tomorrow, the highest temperature in Peterson, Iowa, will be 68°F, while the lowest temperature will be 39.2°F.
The highest temperature will be uncommonly higher than the average maximum of 57.9°F in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.

On Sunday, in Peterson, sunrise will be at 7:38 am and sunset at 6:34 pm (CDT).

Tomorrow, the daylight will last for 10h and 55min.