Weather forecast for tomorrowBoulder, UT

Weather forecast for tomorrow

Sunday Oct 18, 2026

55°F
39°F

Mostly Cloudy

Precip. probability: 21%
Precipitation: 0"
Wind: 6mphSSE 165°
Humidity: 54%
UV index: 4
Sunrise: 7:37 am MDT
Sunset: 6:44 pm MDT
details ▼

Tomorrow, on Sunday, the weather will feel mostly overcast.
A temperature range of a refreshing 55.4°F to an icy 39.2°F is anticipated.
Sunrise will be at 7:37 am and sunset at 6:44 pm; tomorrow's daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 54°C.
Coldest period: 3 am - 6 am 41°C.

Chance of precipitation

Highest chance: 3 pm 10%.

Hourly weather forecast

12 am

43°F
Feels like:
41°F

Partly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 4mphNNW 328°
Humidity: 45%
Pressure: 30.15"Hg
Visibility: 10mi
UV index: 0
details ▼

2 am

41°F
Feels like:
39°F

Partly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 4mphNW 324°
Humidity: 46%
Pressure: 30.12"Hg
Visibility: 10mi
UV index: 0
details ▼

4 am

41°F
Feels like:
39°F

Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 4mphNW 323°
Humidity: 50%
Pressure: 30.12"Hg
Visibility: 10mi
UV index: 0
details ▼

6 am

41°F
Feels like:
41°F

Mostly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 3mphWNW 301°
Humidity: 55%
Pressure: 30.12"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunrise: 7:37 am

8 am

41°F
Feels like:
41°F

Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 2mphWNW 296°
Humidity: 60%
Pressure: 30.12"Hg
Visibility: 10mi
UV index: 0
details ▼

10 am

48°F
Feels like:
48°F

Mostly Cloudy

Precip. probability: 0%
Precipitation: 0"
Wind: 2mphESE 122°
Humidity: 55%
Pressure: 30.15"Hg
Visibility: 10mi
UV index: 1
details ▼

12 pm

52°F
Feels like:
52°F

Mostly Cloudy

Precip. probability: 2%
Precipitation: 0"
Wind: 5mphS 169°
Humidity: 50%
Pressure: 30.12"Hg
Visibility: 10mi
UV index: 3
details ▼

2 pm

54°F
Feels like:
52°F

Mostly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 6mphSSE 157°
Humidity: 48%
Pressure: 30.06"Hg
Visibility: 10mi
UV index: 4
details ▼

4 pm

54°F
Feels like:
52°F

Mostly Cloudy

Precip. probability: 22%
Precipitation: 0"
Wind: 4mphSE 140°
Humidity: 53%
Pressure: 30.03"Hg
Visibility: 10mi
UV index: 1
details ▼

6 pm

52°F
Feels like:
50°F

Mostly Cloudy

Precip. probability: 4%
Precipitation: 0"
Wind: 4mphSSE 152°
Humidity: 57%
Pressure: 30.03"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunset: 6:44 pm

8 pm

48°F
Feels like:
48°F

Mostly Cloudy

Precip. probability: 4%
Precipitation: 0"
Wind: 2mphESE 109°
Humidity: 68%
Pressure: 30.06"Hg
Visibility: 10mi
UV index: 0
details ▼

10 pm

45°F
Feels like:
45°F

Mostly Cloudy

Precip. probability: 8%
Precipitation: 0"
Wind: 3mphNNW 343°
Humidity: 76%
Pressure: 30.09"Hg
Visibility: 10mi
UV index: 0
details ▼

Tomorrow, primarily overcast and occasionally mostly clear weather is predicted.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 53.6°F. The warmest part of the day will be from 1 pm to 4 pm.

Updated: Oct 17, 2026 @ 16:43:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate