Weather forecast for tomorrowSummit, UT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphWNW 282°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:50 pm MDT
  • ▼
On Sunday, October 18, a mostly gray sky is forecasted with minimal brightness.
Temperatures will oscillate between a comfortable 62.6°F at their highest and a chilly 42.8°F at their lowest.
The day’s top temperature is expected to be moderately higher than the typical October high 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 period: 3 pm - 6 pm 61°C.
Coldest period: 3 am - 6 am 46°C.

Chance of precipitation

Highest chance: 6 am 11%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 48%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 170°
  • Humidity: 54%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 3mphSSW 191°
  • Humidity: 58%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 4mphSSE 163°
  • Humidity: 61%
  • 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: 10%
  • Precipitation: 0"
  • Wind: 3mphSSW 193°
  • Humidity: 70%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphNE 39°
  • Humidity: 60%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 330°
  • Humidity: 50%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphW 274°
  • Humidity: 46%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWNW 294°
  • Humidity: 46%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 281°
  • Humidity: 48%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:50 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 196°
  • Humidity: 62%
  • 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: 4mphSSE 161°
  • Humidity: 69%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, overcast weather is expected.
The temperature will vary 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 6 pm.
The highest temperature tomorrow will be slightly warmer than October's typical maximum temperature. Tomorrow, the temperature is expected to be also moderately higher than October's normal minimum of 38.3°F.
Updated: Oct 17, 2026 @ 22:39:38 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Summit, widespread cloud cover will remain in place.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 42.8°F.
The maximum temperature tomorrow will be moderately higher than the average highest 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).

In Summit, tomorrow, there will be 11h and 7min of daylight.