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Newcastle, UT Weather Forecast

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Newcastle, UT Weather Forecast

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Newcastle UT weather - Light Rain - 47°F
Light Rain
47°F
Updated 8:14 am
Feels Like 47°F
Humidity 96%
Wind N 0 mph
Barometer  29.78 in
Dew Point 46°F
Newcastle UT weather - Light Rain - 8°C
Light Rain
8°C
Updated 8:14 am
Feels Like 8°C
Humidity 96%
Wind N 0 km/h
Barometer  100.8 kPa
Dew Point 8°C
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Newcastle Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY SATURDAY
Newcastle, UT Weather - Today Chance Of T-Storm Newcastle, UT Weather - Tonight Chance Of T-Storm Newcastle, UT Weather - Monday Rain And Snow Newcastle, UT Weather - Monday Night Partly Cloudy Newcastle, UT Weather - Tuesday Partly Cloudy Newcastle, UT Weather - Tuesday Night Rain And Snow Newcastle, UT Weather - Wednesday Rain And Snow Newcastle, UT Weather - Wednesday Night Mostly Clear Newcastle, UT Weather - Thursday Partly Cloudy Newcastle, UT Weather - Friday Partly Cloudy Newcastle, UT Weather - Saturday Partly Cloudy
Chance of T-Storm Chance of T-Storm Rain and Snow Partly Cloudy Partly Cloudy Rain and Snow Rain and Snow Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy
Hi: 50°FHi: 10°C
 Lo: 35°FLo: 2°C Hi: 50°FHi: 10°C
 Lo: 30°FLo: -1°C Hi: 55°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 51°FHi: 11°C
 Lo: 30°FLo: -1°C Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C		 Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C		 Hi: 51°FHi: 11°C
POP: 100% POP: 100% POP: 20% POP: 20% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 AM MDT Sun Nov 01 2026 Newcastle, UT Weather - WeatherWorld.com

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Issued: 625 AM MST Sun Nov 1 2026

Key Messages

.KEY MESSAGES, Issued 906 PM MDT Sat Oct 31 2026...
  • There is a Moderate Risk for Excessive Rainfall (level 3 of 4) across portions of southern Utah, as a surge of moisture brings widespread rainfall across the region. A Flood Watch is in effect for much of southern and east central Utah late tonight through Sunday evening.
  • Accumulating mountain snow is expected across all Utah mountains Sunday through Monday morning. Upwards of 12" of snow is expected above 9000 feet, and 3-6" of sno...