Weather forecast for tomorrowNewcastle, WY
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 171°
- Humidity: 34%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:08 pm MDT
- details ▼
On Sunday, in Newcastle, skies are expected to be clear and full of sunshine.
The daytime temperature will peak at a delightful 68°F, significantly contrasting with the night's low of an icy 35.6°F.
Tomorrow, the forecasted high of 68°F is expected to reflect September's average high of 68.5°F.
Sunrise will be at 7:15 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 53min.
The daytime temperature will peak at a delightful 68°F, significantly contrasting with the night's low of an icy 35.6°F.
Tomorrow, the forecasted high of 68°F is expected to reflect September's average high of 68.5°F.
Sunrise will be at 7:15 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 53min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 90°
- Humidity: 47%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 35°
- Humidity: 49%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 357°
- Humidity: 50%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 10°
- Humidity: 51%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 26°
- Humidity: 56%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 271°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 187°
- Humidity: 27%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 193°
- Humidity: 24%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 24%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 117°
- Humidity: 32%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:08 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphENE 78°
- Humidity: 41%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 76°
- Humidity: 46%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be around 3 pm.
The highest temperature tomorrow will resemble September's average maximum of 68.5°F more than October's average. The lowest temperature tomorrow will be resembling October's average minimum.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be around 3 pm.
The highest temperature tomorrow will resemble September's average maximum of 68.5°F more than October's average. The lowest temperature tomorrow will be resembling October's average minimum.
Updated: Oct 18, 2026 @ 04:36:11 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, sunshine is expected with little to no cloud cover.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 50°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature tomorrow will be noticeably higher than the average maximum of 50°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Newcastle, sunrise will be at 7:15 am and sunset at 6:08 pm (MDT).
In Newcastle, the length of the day tomorrow will be 10h and 53min.
