Newcastle, ON 7-Day Weather Forecast

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Newcastle, ON 7-Day Weather Forecast

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Newcastle ON Weather - Cloudy - 67°F
Cloudy
67°F
Updated 11:31 am
Feels Like 57°F
Humidity 40%
Wind NNE 15 mph
Barometer  30 in
Visibility 6 mi
Newcastle ON Weather - Cloudy - 20°C
Cloudy
20°C
Updated 11:31 am
Feels Like 14°C
Humidity 40%
Wind NNE 24 km/h
Barometer  101.6 kPa
Visibility 10 km

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Newcastle ON Weather - 11:31 am
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Newcastle, ON Weather Forecast

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Newcastle, ON Weather Forecast Date: 1131 AM Sun Sep 27 2026 (Newcastle Time)

Today
Newcastle ON Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Lo: 12°C53°F
Hi: 24°C76°F
Partly Cloudy Sunday, temperatures as high as 24°C76°F, low temperature around 12°C53°F, chance of rain 4%, wind out of the NNE 24 km/h15 mph. Barometric pressure 101.5 kPa29.97 in, visibility 10 km6 mi, humidity 33%.
Monday
Newcastle ON Weather - Monday, Sep 28, 2026 - Overcast
Lo: 12°C54°F
Hi: 20°C69°F
Overcast Monday, temperatures as high as 20°C69°F, low temperature around 12°C54°F, chance of rain 12%, wind out of the NE 13 km/h8 mph. Barometric pressure 101.5 kPa29.97 in, visibility 10 km6 mi, humidity 57%.
Tuesday
Newcastle ON Weather - Tuesday, Sep 29, 2026 - Partly Cloudy
Lo: 13°C56°F
Hi: 21°C70°F
Partly Cloudy Tuesday, temperatures as high as 21°C70°F, low temperature around 13°C56°F, chance of rain 7%, wind out of the SSW 9 km/h6 mph. Barometric pressure 101.8 kPa30.06 in, visibility 10 km6 mi, humidity 66%.
Wednesday
Newcastle ON Weather - Wednesday, Sep 30, 2026 - Overcast
Lo: 14°C58°F
Hi: 22°C71°F
Overcast Wednesday, temperatures as high as 22°C71°F, low temperature around 14°C58°F, chance of rain 13%, wind out of the SSW 14 km/h9 mph. Barometric pressure 101.8 kPa30.06 in, visibility 10 km6 mi, humidity 56%.
Thursday
Newcastle ON Weather - Thursday, Oct 1, 2026 - Overcast
Lo: 14°C57°F
Hi: 28°C82°F
Overcast Thursday, temperatures as high as 28°C82°F, low temperature around 14°C57°F, chance of rain 11%, wind out of the SSW 24 km/h15 mph. Barometric pressure 101.1 kPa29.85 in, visibility 10 km6 mi, humidity 47%.
Friday
Newcastle ON Weather - Friday, Oct 2, 2026 - Overcast
Lo: 14°C57°F
Hi: 19°C66°F
Overcast Friday, temperatures as high as 19°C66°F, low temperature around 14°C57°F, chance of rain 26%, wind out of the ESE 8 km/h5 mph. Barometric pressure 101.5 kPa29.97 in, visibility 10 km6 mi, humidity 84%.
Saturday
Newcastle ON Weather - Saturday, Oct 3, 2026 - Sunny
Lo: 10°C50°F
Hi: 19°C66°F
Sunny Saturday, temperatures as high as 19°C66°F, low temperature around 10°C50°F, chance of rain 1%, wind out of the ENE 15 km/h9 mph. Barometric pressure 102.5 kPa30.27 in, visibility 10 km6 mi, humidity 34%.

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