Newcastle, WY 7-Day Weather Forecast

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Newcastle, WY 7-Day Weather Forecast

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Newcastle WY weather  - Clear - 37°F
Clear
37°F
Updated 5:02 am
Feels Like 46°F
Humidity 100%
Wind N 0 mph
Barometer  29.99 in
Dew Point 37°F
Newcastle WY weather  - Clear - 3°C
Clear
3°C
Updated 5:02 am
Feels Like 8°C
Humidity 100%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 3°C
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Newcastle Weather Forecast

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Newcastle, WY Weather Forecast Date: 422 AM MST Sun Nov 01 2026

Weather forecast for Newcastle, WY


Today
Newcastle WY Weather for Today - Chance Of Rain
Hi: 61°FHi: 16°C
Lo: 41°F
Lo: 5°C
Today... Mostly cloudy. Patchy fog. A chance of rain this afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon. Chance of rain 40%.
Mon
Newcastle WY Weather for Monday - Rain
Hi: 45°FHi: 7°C
Lo: 31°F
Lo: -1°C
Monday... Rain, windy with highs in the mid 40s. Northwest winds 25 to 40 mph with gusts up to 50 mph. Chance of rain 90%.
Tue
Newcastle WY Weather for Tuesday - Sunny
Hi: 51°FHi: 11°C
Lo: 30°F
Lo: -1°C
Tuesday... Sunny. Highs in the lower 50s. Northwest winds 10 to 20 mph with gusts up to 30 mph.
Wed
Newcastle WY Weather for Wednesday - Partly Cloudy
Hi: 55°FHi: 13°C
Lo: 31°F
Lo: -1°C
Wednesday... Partly cloudy. Highs in the mid 50s.
Thu
Newcastle WY Weather for Thursday - Clearing
Hi: 55°FHi: 13°C
Lo: 31°F
Lo: -1°C
Thursday... Partly cloudy in the morning, then clearing. Highs in the mid 50s.
Fri
Newcastle WY Weather for Friday - Mostly Sunny
Hi: 51°FHi: 11°C
Lo: 31°F
Lo: -1°C
Friday... Mostly sunny. Highs in the lower 50s.
Sat
Newcastle WY Weather for Saturday - Rain And Snow
Hi: 49°FHi: 9°C
Saturday... Partly cloudy with a slight chance of rain and snow in the morning, then mostly sunny in the afternoon. Breezy with highs in the upper 40s. Chance of precipitation 20%.

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