Weather forecast for todayNewcastle, WY
Weather forecast for today
Current condition 4:01 am MDT
- 48°F
- Feels like:45°F
Clear
- Precipitation: 0"
- Wind: 7mphE 100°
- Humidity: 54%
- Dewpoint: 32°F
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Currently, in Newcastle, a deep blue sky remains clear and cloudless.
The temperature is a chilly 48.2°F, and the felt air temperature is estimated at a brisk 44.6°F. The current temperature is far from today's maximum-forecasted 69.8°F.
The temperature is a chilly 48.2°F, and the felt air temperature is estimated at a brisk 44.6°F. The current temperature is far from today's maximum-forecasted 69.8°F.
Tuesday Oct 20, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 177°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 6:05 pm MDT
- details ▼
Today, in Newcastle, sunny conditions are expected to continue.
The daytime temperature will peak at a pleasant 69.8°F, significantly contrasting with the night's low of a cold 41°F.
Temperatures are higher than average, more in line with September's norm of 68.5°F than with October's 50°F.
Sunrise will be at 7:17 am and sunset at 6:05 pm; the daylight will last for 10h and 47min.
The daytime temperature will peak at a pleasant 69.8°F, significantly contrasting with the night's low of a cold 41°F.
Temperatures are higher than average, more in line with September's norm of 68.5°F than with October's 50°F.
Sunrise will be at 7:17 am and sunset at 6:05 pm; the daylight will last for 10h and 47min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 7 am 45°C.
Coldest hour: 7 am 45°C.
Chance of precipitation
Highest chance: 1%.
Hourly weather forecast
- 6 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphENE 65°
- Humidity: 61%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphENE 74°
- Humidity: 64%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 176°
- Humidity: 45%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 193°
- Humidity: 40%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 233°
- Humidity: 34%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphW 279°
- Humidity: 30%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 317°
- Humidity: 37%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 22°
- Humidity: 47%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 24°
- Humidity: 52%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Newcastle, mostly cloudless and sunny weather is anticipated.
The temperature will be between a maximum of 69.8°F and a minimum of 44.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 68.5°F than with October's 50°F. The expected low will be also more comparable to what’s typical in September than in October.
The temperature will be between a maximum of 69.8°F and a minimum of 44.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 68.5°F than with October's 50°F. The expected low will be also more comparable to what’s typical in September than in October.
Updated: Oct 20, 2026 @ 10:01:33 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
At 4:01 am MDT, the temperature is 48.2°F.
On Tuesday, in Newcastle, sunny conditions are expected to continue.
Today, the highest temperature will be 69.8°F, while the lowest temperature will be 41°F.
The highest temperature will be notably higher than the average maximum of 50°F in October. The lowest temperature will be slightly warmer than the average low of 32.9°F.
The highest temperature will be notably higher than the average maximum of 50°F in October. The lowest temperature will be slightly warmer than the average low of 32.9°F.
On Tuesday, in Newcastle, sunrise will be at 7:17 am and sunset at 6:05 pm (MDT).
In Newcastle, Wyoming, the length of the day today will be 10h and 47min.
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: 4:15am MDT
- Sunrise: 7:17 am MDT
- Sunset: 6:05 pm MDT
- Timezone: America/Denver
Nearby Newcastle, Wyoming, USA
- Osage (14 mi)
- Four Corners (16 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)
- Piedmont (48 mi)





