Weather forecast for tomorrowNewcastle, WY

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 63°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphSSE 148°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:16 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
On Monday, October 19, expect sunny weather with a crisp, clear sky.
The highest temperature will be a breezy 62.6°F, while the lowest expected temperature is a chilly 42.8°F.
The warmer conditions bring a maximum of 62.6°F, more representative of September than October.
Sunrise will be at 7:16 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 3 am - 6 am 2%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphE 100°
  • Humidity: 52%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphE 96°
  • Humidity: 56%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphESE 107°
  • Humidity: 59%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphESE 106°
  • Humidity: 65%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:16 am
  • 8 am
  • 37°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 116°
  • Humidity: 68%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSE 160°
  • Humidity: 47%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSE 156°
  • Humidity: 37%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSE 153°
  • Humidity: 31%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSE 155°
  • Humidity: 29%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 144°
  • Humidity: 36%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:06 pm
  • 8 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphESE 120°
  • Humidity: 44%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphESE 112°
  • Humidity: 49%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a minimum of 35.6°F and a maximum of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more alike with September's typical high of 68.5°F than the average for October. The expected low will be also more resembling what’s typical in September than in October.
Updated: Oct 18, 2026 @ 06:46:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, sunshine is forecasted under mostly clear skies.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be notably higher than the average highest temperature of 50°F in October. The lowest temperature will be also notably higher than the average low of 32.9°F.

On Monday, in Newcastle, sunrise will be at 7:16 am and sunset at 6:06 pm (MDT).

In Newcastle, tomorrow, there will be 10h and 50min of daylight.