Newcastle, ON 14 Day Weather - WeatherWorld.com
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Newcastle, ON Weather Forecast


Newcastle, ON Weather Forecast Dated: 1135 AM Thu Sep 24 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 24, 2026
Mid-Morning
12°C 53°F
Sunny
Mid-Afternoon
19°C 66°F
Sunny
Early-Evening
14°C 57°F
Sunny
Refreshing around 19°C 66°F, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the ENE to the N at 6 km/h 4 mph.
Friday, September 25, 2026
Mid-Morning
12°C 54°F
Partly Cloudy
Mid-Afternoon
22°C 71°F
Sunny
Early-Evening
17°C 63°F
Overcast
Comfortable with temperatures reaching 22°C 71°F, cloudy in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
13°C 56°F
Overcast
Mid-Afternoon
23°C 73°F
Overcast
Early-Evening
18°C 65°F
Overcast
Enjoyable around 23°C 73°F, overcast throughout the day, with lower humidity and steady pressure. Winds blowing from the N at 15 km/h 9 mph.
Sunday, September 27, 2026
Mid-Morning
15°C 59°F
Overcast
Mid-Afternoon
24°C 75°F
Overcast
Early-Evening
19°C 67°F
Sunny
Mild temperatures up to 24°C 75°F, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds moving from the N to the NNE at 13 km/h 8 mph.
Monday, September 28, 2026
Mid-Morning
13°C 56°F
Sunny
Mid-Afternoon
23°C 73°F
Overcast
Early-Evening
19°C 65°F
Sunny
Mild with a high of 23°C 73°F, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the NNE to the NW at 10 km/h 6 mph.
Tuesday, September 29, 2026
Mid-Morning
16°C 61°F
Sunny
Mid-Afternoon
22°C 72°F
Sunny
Early-Evening
18°C 63°F
Sunny
Pleasant near 22°C 72°F, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the WNW to the SE at 7 km/h 5 mph.
Wednesday, September 30, 2026
Mid-Morning
17°C 62°F
Sunny
Mid-Afternoon
25°C 77°F
Sunny
Early-Evening
24°C 75°F
Overcast
Comfortable with temperatures reaching 25°C 77°F, cloudy throughout the day, with lower humidity and barometric pressure falling. Winds increasing from the SE at 12 km/h 7 mph to S at 26 km/h 16 mph. Gusts up to 54 km/h 33 mph.
Thursday, October 1, 2026
Mid-Morning
11°C 51°F
Overcast
Mid-Afternoon
15°C 59°F
Partly Cloudy
Early-Evening
12°C 54°F
Sunny
Cool with a high near 15°C 59°F, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the WSW to the WNW at 14 km/h 9 mph.
Friday, October 2, 2026
Mid-Morning
11°C 51°F
Sunny
Mid-Afternoon
17°C 63°F
Sunny
Early-Evening
14°C 56°F
Overcast
Refreshing around 17°C 63°F, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Saturday, October 3, 2026
Mid-Morning
12°C 54°F
Overcast
Mid-Afternoon
14°C 58°F
Rain
Early-Evening
10°C 49°F
Light Rain
Mildly cool near 14°C 58°F, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling. Winds building from ENE at 15 km/h 10 mph to NNE at 33 km/h 21 mph. Gusts up to 60 km/h 37 mph.
Sunday, October 4, 2026
Mid-Morning
10°C 49°F
Overcast
Mid-Afternoon
12°C 53°F
Sunny
Early-Evening
12°C 52°F
Scattered Showers
Chilly near 12°C 53°F, scattered downpours possible, with lower humidity and barometric pressure rising. Winds WNW at 29 km/h 18 mph. Gusts up to 52 km/h 32 mph.
Monday, October 5, 2026
Mid-Morning
9°C 49°F
Overcast
Mid-Afternoon
15°C 58°F
Scattered Showers
Early-Evening
13°C 55°F
Cloudy
Cool with a high near 15°C 58°F, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the WNW to the SW at 12 km/h 8 mph.
Tuesday, October 6, 2026
Mid-Morning
11°C 51°F
Scattered Showers
Mid-Afternoon
9°C 49°F
Scattered Showers
Early-Evening
8°C 46°F
Light Showers
Brisk around 9°C 49°F, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds turning from the SSW to the WNW at 31 km/h 20 mph. Gusts up to 59 km/h 37 mph.
Wednesday, October 7, 2026
Mid-Morning
5°C 40°F
Scattered Showers
Mid-Afternoon
10°C 49°F
Sunny
Early-Evening
7°C 45°F
Partly Cloudy
Cool and brisk at 10°C 49°F, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NW to the WNW at 14 km/h 9 mph.
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