Weather forecast for tomorrowNewcastle, UT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 43°F
AM Clouds / PM Sun
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphSW 232°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:45 am MDT
- Sunset: 6:52 pm MDT
- details ▼
On Sunday, in Newcastle, expect morning clouds but afternoon sunshine will take over.
Anticipated temperature values will span from an enjoyable 66.2°F down to a chilly 42.8°F.
The daily maximum temperature is anticipated to be slightly warmer than October's climate average of 59.5°F.
Sunrise will be at 7:45 am and sunset at 6:52 pm; tomorrow's daylight will last for 11h and 7min.
Anticipated temperature values will span from an enjoyable 66.2°F down to a chilly 42.8°F.
The daily maximum temperature is anticipated to be slightly warmer than October's climate average of 59.5°F.
Sunrise will be at 7:45 am and sunset at 6:52 pm; tomorrow's daylight will last for 11h and 7min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 64°C.
Coldest hour: 6 am 46°C.
Coldest hour: 6 am 46°C.
Chance of precipitation
Highest chance: 6 am 16%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSE 168°
- Humidity: 49%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:46°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 183°
- Humidity: 56%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphS 177°
- Humidity: 59%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 3mphS 170°
- Humidity: 59%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:45 am
- 8 am
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 2mphS 172°
- Humidity: 65%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 173°
- Humidity: 55%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWNW 290°
- Humidity: 42%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphW 264°
- Humidity: 38%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 238°
- Humidity: 40%
- 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: 6mphSW 233°
- Humidity: 43%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:52 pm
- 8 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSW 202°
- Humidity: 52%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 171°
- Humidity: 59%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, cloudy skies are expected.
The temperature will vary between a minimum of 46.4°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 6 pm.
Tomorrow, expect temperatures a couple of degrees higher than what is usual for October. The expected low will be also alike with the average minimum in October, which is 39.4°F.
The temperature will vary between a minimum of 46.4°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 6 pm.
Tomorrow, expect temperatures a couple of degrees higher than what is usual for October. The expected low will be also alike with the average minimum in October, which is 39.4°F.
Updated: Oct 17, 2026 @ 23:55:38 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
On Sunday, gray skies in the morning will gradually clear, leading to a warmer, sunnier afternoon.
Tomorrow, the highest temperature in Newcastle will be 66.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be slightly warmer than the average highest temperature of 59.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature will be slightly warmer than the average highest temperature of 59.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Newcastle, sunrise will be at 7:45 am and sunset at 6:52 pm (MDT).
In Newcastle, the length of the day tomorrow will be 11h and 7min.
