No Watches or Warnings for Newcastle
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Weather Conditions for Newcastle, Utah : Iron County
Issued: 12:31 am MDT Sep 16, 2026 Latitude: 37.6666413 Longitude: -113.549406 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today 70% chance of thunderstorms on Tonight 30% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday 10% chance of thunderstorms on Monday 10% chance of thunderstorms on Tuesday
High: 82°F Low: 54°F High: 79°F High: 80°F High: 81°F High: 82°F High: 81°F High: 80°F
Low: 52°F Low: 49°F Low: 48°F Low: 49°F Low: 48°F  
Sunny Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Thunderstorms Thunderstorms
Current Conditions at
CEDAR CITY - (KCDC)
72°
Clear
as of 8:53 AM MDST
Rel. Humidity: 49%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
20 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
ST GEORGE - (KSGU)
81°
Clear
as of 8:56 AM MDST
Rel. Humidity: 44%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
MILFORD - (KMLF)
70°
Clear
as of 8:52 AM MDST
Rel. Humidity: 60%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
17 MPH
190° South
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 82. South southwest wind around 15 mph.

70% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 54. South southeast wind 6 to 13 mph. Chance of precipitation is 70%.

30% chance of thunderstorms Thursday Thursday... A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 79. South southwest wind 5 to 14 mph. Chance of precipitation is 30%.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 52. South southwest wind 6 to 11 mph becoming light south after midnight.

Sunny on Friday Friday... Sunny, with a high near 80. Light south southeast wind becoming south southwest 8 to 13 mph in the afternoon.

Clear on Friday Night Friday Night... Clear, with a low around 49.

Sunny on Saturday Saturday... Sunny, with a high near 81.

Clear on Saturday Night Saturday Night... Clear, with a low around 48.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 82.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 49.

10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.

10% chance of thunderstorms Monday Night Monday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.

10% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.

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Sun Almanac for Newcastle, Utah
Astronomical Sunrise 05:49 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 06:20 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:51 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 07:17 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 24 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:41 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 8:07 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:38 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 9:09 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 16 Minutes
Nautical Rise to Set: 14 Hours 18 Minutes
Astro Rise to Set: 15 Hours 20 Minutes

Click for yearly Sun Almanac for Newcastle
Moon Almanac for Newcastle, Utah
Moon Phase: Waxing Crescent
Moon Illumination: 29%
Moon Age: 5.39 Days
Moon is currently below the horizon
Distance from Moon to Earth: 249,965 miles
Upcoming Lunar Events for
Newcastle:
Next EventEvent TimeIllum

Moonrise:01:10 pm Wed30.0%
High Moon:05:53 pm Wed31.7%
Moonset:10:31 pm Wed33.5%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac