Weather forecast for tomorrowSunnyside, UT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 57°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSE 160°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:35 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
Tomorrow, on Sunday, clouds will hold steady, keeping conditions mostly dim.
Forecasted temperature values will span from a moderate 57.2°F down to a wintry 41°F.
The anticipated daytime maximum should align with the typical October high of 57.2°F.
Sunrise will be at 7:35 am and sunset at 6:38 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 57°C.
Coldest period: 3 am - 6 am 41°C.

Chance of precipitation

Highest chance: 3 pm 2%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 52°
  • Humidity: 49%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphENE 71°
  • Humidity: 50%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 52°
  • Humidity: 54%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphENE 69°
  • Humidity: 56%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:35 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 61%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphESE 123°
  • Humidity: 44%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 172°
  • Humidity: 42%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 195°
  • Humidity: 40%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 189°
  • Humidity: 41%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 181°
  • Humidity: 45%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:38 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphENE 68°
  • Humidity: 62%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphENE 62°
  • Humidity: 65%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily dull and occasionally sun-filled weather is expected.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 57.2°F. The warmest part of the day will be around 3 pm.
The temperature tomorrow will be alike with the average high in October. Tomorrow, the minimum temperature will be also alike with the average low for October.
Updated: Oct 17, 2026 @ 20:47:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect predominantly cloudy skies to persist.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 41°F.
The highest temperature will be in line with the average maximum of 57.2°F in October. The lowest temperature will be also in line with the average low of 39.4°F.

On Sunday, in Sunnyside, sunrise will be at 7:35 am and sunset at 6:38 pm (MDT).

In Sunnyside, the length of the day tomorrow will be 11h and 3min.