Newcastle, Utah Weather
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Weather Forecast for Newcastle, Utah : Iron County
Issued: 7:09 am MDT Jul 1, 2025 Latitude: 37.6666413 Longitude: -113.549406 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
Thunderstorms on Today 20% chance of thunderstorms on Tonight 50% chance of thunderstorms on Wednesday 10% chance of thunderstorms on Thursday Sunny on Independence Day Sunny on Saturday Sunny on Sunday Sunny on Monday
High: 94°F Low: 61°F High: 89°F High: 84°F High: 86°F High: 89°F High: 91°F High: 91°F
Low: 57°F Low: 59°F Low: 58°F Low: 56°F Low: 57°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny Sunny
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Current Conditions at
CEDAR CITY - (KCDC)
64°
Clear
as of 6:53 AM MDST
Rel. Humidity: 34%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
ST GEORGE - (KSGU)
81°
Clear
as of 6:56 AM MDST
Rel. Humidity: 15%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
MILFORD - (KMLF)
66°
Clear
as of 6:52 AM MDST
Rel. Humidity: 27%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Thunderstorms on Today Today... A 30 percent chance of showers and thunderstorms after noon. Patchy smoke after 3pm. Mostly sunny, with a high near 94. Light south wind becoming south southwest 6 to 11 mph in the morning.

20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming light and variable after midnight.

50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.

20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. South southwest wind 5 to 9 mph becoming light and variable after midnight.

10% chance of thunderstorms Thursday Thursday... A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Light south wind becoming southwest 9 to 14 mph in the morning.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 59.

Sunny on Independence Day Independence Day... Sunny, with a high near 86.

Clear on Friday Night Friday Night... Clear, with a low around 58.

Sunny on Saturday Saturday... Sunny, with a high near 89.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 56.

Sunny on Sunday Sunday... Sunny, with a high near 91.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 57.

Sunny on Monday Monday... Sunny, with a high near 91.

Current Radar Image


Sun Almanac for Newcastle, Utah
Sunrise: 06:17 AM
Sunset: 9:00 PM
Civil Sunrise:05:46 AM
Civil Sunset: 9:31 PM
Nautical Sunrise: 05:07 AM
Nautical Sunset: 10:10 PM
Astro Sunrise: 04:23 AM
Astro Sunset: 10:53 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.