Weather forecast for tomorrowUnion, UT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 202°
- Humidity: 40%
- UV index: 4
- Sunrise: 7:42 am MDT
- Sunset: 6:42 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, some passing clouds may drift through, but the sun will shine at times.
The maximum temperature will be an agreeable 68°F, while the minimum expected temperature is a chilly 46.4°F.
Tomorrow, the maximum temperature of 68°F will resemble September's climate more than October's.
Sunrise will be at 7:42 am and sunset at 6:42 pm; tomorrow's daylight will last for 11h and 1min.
The maximum temperature will be an agreeable 68°F, while the minimum expected temperature is a chilly 46.4°F.
Tomorrow, the maximum temperature of 68°F will resemble September's climate more than October's.
Sunrise will be at 7:42 am and sunset at 6:42 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest period: 3 am - 6 am 48°C.
Coldest period: 3 am - 6 am 48°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 137°
- Humidity: 44%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:46°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 142°
- Humidity: 48%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 141°
- Humidity: 52%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:46°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 133°
- Humidity: 54%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:42 am
- 8 am
- 46°F
- Feels like:45°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 142°
- Humidity: 56%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 150°
- Humidity: 45%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 187°
- Humidity: 38%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 248°
- Humidity: 30%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWNW 284°
- Humidity: 36%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:42 pm
- 8 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphS 173°
- Humidity: 44%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 142°
- Humidity: 49%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and dry and sunny weather is anticipated.
The temperature will vary between a minimum of 46.4°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. Tomorrow, the forecasted low is also more in line with September's minimum of 50.9°F than the average in October.
The temperature will vary between a minimum of 46.4°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. Tomorrow, the forecasted low is also more in line with September's minimum of 50.9°F than the average in October.
Updated: Oct 17, 2026 @ 17:10:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, a partly cloudy outlook will keep the sky interesting throughout the day.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 46.4°F.
The highest temperature tomorrow will be notably higher than the average maximum of 57.2°F in October. Tomorrow, the lowest temperature will be moderately higher than the average low temperature.
The highest temperature tomorrow will be notably higher than the average maximum of 57.2°F in October. Tomorrow, the lowest temperature will be moderately higher than the average low temperature.
On Sunday, in Union, sunrise will be at 7:42 am and sunset at 6:42 pm (MDT).
In Union, the length of the day tomorrow will be 11h and 1min.





