Weather forecast for todayNewcastle, WY
Weather forecast for today
Current condition 6:54 am MDT
- 37°F
- Feels like:37°F
Clear
- Precipitation: 0"
- Wind: 3mphENE 70°
- Humidity: 57%
- Dewpoint: 23°F
- Pressure: 30.22"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Currently, in Newcastle, a cloudless sky and calm conditions create ideal weather.
The temperature is a wintry 37.4°F. The current temperature is near the lowest predicted 39.2°F for today.
The temperature is a wintry 37.4°F. The current temperature is near the lowest predicted 39.2°F for today.
Saturday Oct 17, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 147°
- Humidity: 37%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:10 pm MDT
- details ▼
Today, in Newcastle, sunshine will lead the day, with clouds making only brief appearances.
Temperatures will show considerable variation, extending from a high of a delightful 69.8°F to a low of a cold 39.2°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 68.5°F than October's of 50°F.
Sunrise will be at 7:14 am and sunset at 6:10 pm; the daylight will last for 10h and 56min.
Temperatures will show considerable variation, extending from a high of a delightful 69.8°F to a low of a cold 39.2°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 68.5°F than October's of 50°F.
Sunrise will be at 7:14 am and sunset at 6:10 pm; the daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 7 am 37°C.
Coldest hour: 7 am 37°C.
Chance of precipitation
Highest chance: 7 am 1%.
Hourly weather forecast
- 7 am
- 37°F
- Feels like:36°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphE 83°
- Humidity: 55%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 39°F
- Feels like:37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphE 87°
- Humidity: 60%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 am
- 48°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 115°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSE 141°
- Humidity: 38%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSE 161°
- Humidity: 32%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSE 156°
- Humidity: 30%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 1 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 195°
- Humidity: 26%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 25%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 24%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 170°
- Humidity: 24%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 154°
- Humidity: 27%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 126°
- Humidity: 30%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 7 pm
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphESE 106°
- Humidity: 32%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 55°F
- Feels like:54°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 95°
- Humidity: 36%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 54°F
- Feels like:52°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 86°
- Humidity: 38%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 79°
- Humidity: 40%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 91°
- Humidity: 44%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, primarily bright and sunny weather is anticipated.
The temperature will vary between a maximum of 68°F and a minimum of 37.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more similar to September's average high than the expected maximum for October. The minimum temperature today will be slightly warmer than October's average low.
The temperature will vary between a maximum of 68°F and a minimum of 37.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more similar to September's average high than the expected maximum for October. The minimum temperature today will be slightly warmer than October's average low.
Updated: Oct 17, 2026 @ 12:54:24 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
At 6:54 am MDT, the temperature is 37.4°F.
Today, a glowing sky and minimal clouds are expected.
Today, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be uncommonly higher than the average maximum of 50°F in October. The lowest temperature today will be relatively higher than the average low temperature.
Today, the highest temperature will be uncommonly higher than the average maximum of 50°F in October. The lowest temperature today will be relatively higher than the average low temperature.
On Saturday, in Newcastle, sunrise will be at 7:14 am and sunset at 6:10 pm (MDT).
Today, the daylight will last for 10h and 56min.
Newcastle, Wyoming, USA
- en: Newcastle, Wyoming, USA
- es: Newcastle, Wyoming, EE.UU.
- hr: Njukasl, Vajoming, SAD
- mk: Njukasl, Vajoming, SAD
- sr: Njukasl, Vajoming, SAD
- zh: 纽卡斯尔, 怀俄明, 美国
- Latitude: 43.854700°
- Longitude: -104.204941°
- Elevation: 4327 ft
- Current time: 6:54am MDT
- Sunrise: 7:14 am MDT
- Sunset: 6:10 pm MDT
- Timezone: America/Denver
Nearby Newcastle, Wyoming, USA
- Osage (14 mi)
- Four Corners (16 mi)
- Morrisey (25 mi)
- Upton (27 mi)
- Rochford (30 mi)
- Custer (31 mi)
- Hill City (32 mi)
- Pringle (35 mi)
- Mount Rushmore National... (37 mi)
- Sundance (39 mi)
- Keystone (39 mi)
- Lead (41 mi)
- Central City (42 mi)
- Nemo (42 mi)
- Redbird (42 mi)
- Edgemont (43 mi)
- Deadwood (43 mi)
- Colonial Pine Hills (45 mi)
- Pine Haven (46 mi)
- Moorcroft (47 mi)
- Hot Springs (47 mi)
- Spearfish (47 mi)
- North Spearfish (48 mi)
- Beulah (48 mi)