Weather forecast for tomorrowSummit Lake, WI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 17mphSW 220°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, golden sunshine will carry through the day.
The temperature will fluctuate from a high of a comfortable 62.6°F to a low of a cold 37.4°F.
Tomorrow, the predicted high of 62.6°F is expected to reflect September's average high of 67.1°F.
Sunrise will be at 7:17 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSW 222°
  • Humidity: 61%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphSW 224°
  • Humidity: 67%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphSW 221°
  • Humidity: 70%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphSW 221°
  • Humidity: 72%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:17 am
  • 8 am
  • 41°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphSW 219°
  • Humidity: 74%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphSW 220°
  • Humidity: 61%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSW 220°
  • Humidity: 46%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSW 219°
  • Humidity: 40%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSW 219°
  • Humidity: 38%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 218°
  • Humidity: 44%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:06 pm
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSW 219°
  • Humidity: 60%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphSW 229°
  • Humidity: 67%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily mostly clear and occasionally dull weather is predicted.
The temperature will be between a minimum of 39.2°F and a maximum of 60.8°F. The feels-like temperature will be between the lowest temperature of 32°F and the highest temperature of 59°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 67.1°F more than October's 51.1°F. Tomorrow, the minimum temperature will be similar to the average low for October.
Updated: Oct 18, 2026 @ 02:59:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, open skies and radiant sunshine are expected.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 51.1°F in October. The lowest temperature will be in line with the average low of 38.3°F.

On Sunday, in Summit Lake, sunrise will be at 7:17 am and sunset at 6:06 pm (CDT).

In Summit Lake, Wisconsin, tomorrow, there will be 10h and 49min of daylight.