Weather forecast for tomorrowSummit, UT

Weather forecast for tomorrow

Wednesday Oct 21, 2026

  • 63°F
  • 48°F
Strong Storms
Strong Storms
  • Precip. probability: 77%
  • Precipitation: 0.43"
  • Wind: 9mphSSE 163°
  • Humidity: 76%
  • UV index: 4
  • Sunrise: 7:46 am MDT
  • Sunset: 6:46 pm MDT
  • ▼
On Wednesday, October 21, heavy storms with strong winds are expected.
The likelihood of rain for tomorrow is high, and precipitation will be moderate. Temperatures are forecasted to range from a maximum of a comfortable 62.6°F to a minimum of a chilly 48.2°F.
The forecasted temperature is a few degrees higher than October's regular maximum of 58.5°F.
Sunrise will be at 7:46 am and sunset at 6:46 pm; tomorrow's daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest period: 6 am - 9 am 52°C.

Chance of precipitation

Highest chance: 3 pm 78%.

Hourly weather forecast

  • 12 am
  • 55°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphSE 146°
  • Humidity: 62%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphSSE 152°
  • Humidity: 68%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 52°F
  • Feels like:
    50°F
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • Wind: 6mphSSE 151°
  • Humidity: 74%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Wind: 6mphSSE 155°
  • Humidity: 79%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:46 am
  • 8 am
  • 48°F
  • Feels like:
    46°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 6mphSE 143°
  • Humidity: 90%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Wind: 6mphSE 126°
  • Humidity: 82%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Wind: 7mphSSE 147°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Scattered Strong Storms
Scattered Strong Storms
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 7mphS 189°
  • Humidity: 64%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Strong Storms
Strong Storms
  • Precip. probability: 60%
  • Precipitation: 0.04"
  • Wind: 8mphSSW 197°
  • Humidity: 74%
  • Pressure: 29.91"Hg
  • Visibility: 5mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Scattered Strong Storms
Scattered Strong Storms
  • Precip. probability: 58%
  • Precipitation: 0.08"
  • Wind: 9mphS 170°
  • Humidity: 78%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:46 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSE 139°
  • Humidity: 83%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 85%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of damp, stormy and dull weather is anticipated.
Rain is predicted from 4 am to 7 pm, 9 pm and at 11 pm. The most intense rain will be falling at 3 pm, 5 pm and 6 pm.
The temperature will be between the lowest temperature of 48.2°F and the highest temperature of 62.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature will be a couple of degrees higher than October's average high of 58.5°F. The expected low will be more resembling what’s typical in September than in October.
Updated: Oct 21, 2026 @ 03:31:37 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, hazardous storm conditions are possible.

Moderate precipitation of 0.43" is forecasted. The chance of rainfall is 77%.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be relatively higher than the average highest temperature of 58.5°F in October. The lowest temperature will be significantly higher than the average low of 38.3°F.

On Wednesday, in Summit, sunrise will be at 7:46 am and sunset at 6:46 pm (MDT).

Tomorrow, the daylight will last for 11h and 0min.