Weather forecast for tomorrowSummit, UT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphWSW 243°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:50 pm MDT
  • ▼
On Sunday, October 18, clouds and sunshine will alternate throughout the day.
The temperature scale will run from a maximum of an enjoyable 62.6°F to a minimum of a frosty 42.8°F.
Forecasts suggest the maximum temperature will be moderately higher than October's average of 58.5°F.
Sunrise will be at 7:43 am and sunset at 6:50 pm; tomorrow's daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest period: 6 am - 9 am 46°C.

Chance of precipitation

Highest chance: 3 am 10%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSE 148°
  • Humidity: 46%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSE 162°
  • Humidity: 50%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 3mphSSE 164°
  • Humidity: 61%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 157°
  • Humidity: 66%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:43 am
  • 8 am
  • 45°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 173°
  • Humidity: 73%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphESE 113°
  • Humidity: 61%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 289°
  • Humidity: 51%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphW 267°
  • Humidity: 47%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphW 269°
  • Humidity: 49%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 261°
  • Humidity: 52%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:50 pm
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 211°
  • Humidity: 67%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily gloomy and occasionally dry and sunny weather is forecasted.
The temperature will be between a minimum of 44.6°F and a maximum of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. Forecasts indicate a night temperature also a few degrees higher than the usual October minimum of 38.3°F.
Updated: Oct 17, 2026 @ 16:52:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, clouds and sunshine will alternate throughout the day.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also relatively higher than the average low temperature.

On Sunday, in Summit, sunrise will be at 7:43 am and sunset at 6:50 pm (MDT).

Tomorrow, the daylight will last for 11h and 7min.