Weather forecast for tomorrowSummit, WA

Weather forecast for tomorrow

Friday Oct 23, 2026

  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 4mphNNE 31°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:39 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
On Friday, in Summit, expect partly sunny skies with periods of cloudiness.
The temperature scale will run from a maximum of a refreshing 57.2°F to a minimum of a wintry 35.6°F.
The forecasted daily high is projected to match October's typical maximum of 58.3°F.
Sunrise will be at 7:39 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 28min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest period: 3 am - 6 am 37°C.

Chance of precipitation

Highest chance: 6 am - 9 am 18%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSE 144°
  • Humidity: 91%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSE 136°
  • Humidity: 93%
  • Pressure: 30.3"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSE 141°
  • Humidity: 94%
  • Pressure: 30.27"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 1mphSSE 156°
  • Humidity: 94%
  • Pressure: 30.24"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Sunrise: 7:39 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Foggy
Foggy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 1mphSSE 159°
  • Humidity: 94%
  • Pressure: 30.24"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 144°
  • Humidity: 81%
  • Pressure: 30.21"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphW 275°
  • Humidity: 69%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphN 351°
  • Humidity: 59%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNNW 330°
  • Humidity: 54%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphNNE 14°
  • Humidity: 64%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphENE 78°
  • Humidity: 75%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphESE 109°
  • Humidity: 80%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily cloudy and occasionally mostly clear and low-visibility weather is predicted.
The temperature will be between a minimum of 35.6°F and a maximum of 55.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature will be comparable to October's average highest temperature of 58.3°F. The minimum temperature will be more close to November's average low of 37.8°F than October's typical 43.2°F.
Updated: Oct 23, 2026 @ 06:04:33 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Friday, variable cloud cover will persist, but sunshine will break through.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 58.3°F in October. The lowest temperature will be a few degrees lower than the average low of 43.2°F.

On Friday, in Summit, sunrise will be at 7:39 am and sunset at 6:07 pm (PDT).

Tomorrow, the daylight will last for 10h and 28min.