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


Wiarton, ON Weather Forecast Dated: 713 AM Fri Sep 18 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 18, 2026
Mid-Morning
14°C 57°F
Overcast
Mid-Afternoon
14°C 58°F
Overcast
Early-Evening
14°C 57°F
Overcast
Refreshing around 14°C 58°F, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds out of the N at 20 km/h 12 mph.
Saturday, September 19, 2026
Mid-Morning
11°C 51°F
Sunny
Mid-Afternoon
17°C 63°F
Overcast
Early-Evening
16°C 61°F
Overcast
Mildly cool near 17°C 63°F, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SW at 16 km/h 10 mph.
Sunday, September 20, 2026
Mid-Morning
14°C 57°F
Overcast
Mid-Afternoon
15°C 59°F
Overcast
Early-Evening
15°C 58°F
Overcast
Comfortable at 15°C 59°F, overcast throughout the day, with steady humidity and steady pressure. Winds increasing from the ENE at 13 km/h 8 mph to NE at 26 km/h 17 mph. Gusts up to 35 km/h 22 mph.
Monday, September 21, 2026
Mid-Morning
10°C 49°F
Overcast
Mid-Afternoon
12°C 54°F
Overcast
Early-Evening
14°C 57°F
Overcast
Crisp with a high near 12°C 54°F, overcast throughout the day, with lower humidity and steady pressure. Winds out of the ENE at 24 km/h 15 mph.
Tuesday, September 22, 2026
Mid-Morning
11°C 52°F
Overcast
Mid-Afternoon
15°C 60°F
Overcast
Early-Evening
16°C 59°F
Overcast
Refreshing around 15°C 60°F, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the E to the ESE at 31 km/h 19 mph. Gusts up to 43 km/h 27 mph.
Wednesday, September 23, 2026
Mid-Morning
11°C 51°F
Light Rain
Mid-Afternoon
10°C 51°F
Light Showers
Early-Evening
11°C 51°F
Scattered Showers
Cool and brisk at 10°C 51°F, locally heavy downpours at times, with steady humidity and steady pressure. Winds ESE at 25 km/h 16 mph.
Thursday, September 24, 2026
Mid-Morning
12°C 53°F
Overcast
Mid-Afternoon
16°C 60°F
Scattered Showers
Early-Evening
14°C 58°F
Sunny
Comfortable at 16°C 60°F, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the WSW to the W at 15 km/h 9 mph.
Friday, September 25, 2026
Mid-Morning
10°C 51°F
Scattered Showers
Mid-Afternoon
13°C 56°F
Sunny
Early-Evening
13°C 55°F
Sunny
Crisp with a high near 13°C 56°F, scattered downpours possible, with lower humidity and steady pressure. Winds blowing from the NNW at 28 km/h 18 mph. Gusts up to 38 km/h 24 mph.
Saturday, September 26, 2026
Mid-Morning
10°C 50°F
Sunny
Mid-Afternoon
15°C 58°F
Sunny
Early-Evening
12°C 54°F
Sunny
Refreshing around 15°C 58°F, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NW to the W at 13 km/h 8 mph.
Sunday, September 27, 2026
Mid-Morning
12°C 54°F
Sunny
Mid-Afternoon
18°C 65°F
Sunny
Early-Evening
17°C 62°F
Sunny
Mildly cool near 18°C 65°F, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the SW to the SSW at 19 km/h 12 mph. Gusts up to 40 km/h 26 mph.
Monday, September 28, 2026
Mid-Morning
16°C 60°F
Sunny
Mid-Afternoon
23°C 73°F
Cloudy
Early-Evening
22°C 72°F
Overcast
Pleasant near 23°C 73°F, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SW to the SSW at 22 km/h 14 mph. Gusts up to 43 km/h 26 mph.
Tuesday, September 29, 2026
Mid-Morning
20°C 68°F
Overcast
Mid-Afternoon
23°C 74°F
Partly Cloudy
Early-Evening
22°C 71°F
Cloudy
Comfortable with temperatures reaching 23°C 74°F, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the SW to the SE at 9 km/h 6 mph.
Wednesday, September 30, 2026
Mid-Morning
20°C 67°F
Overcast
Mid-Afternoon
22°C 71°F
Overcast
Early-Evening
20°C 67°F
Partly Cloudy
Enjoyable around 22°C 71°F, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds out of the W at 18 km/h 11 mph.
Thursday, October 1, 2026
Mid-Morning
13°C 56°F
Scattered Showers
Mid-Afternoon
13°C 56°F
Partly Cloudy
Early-Evening
11°C 52°F
Cloudy
Cool and brisk at 13°C 56°F, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the N to the WNW at 26 km/h 16 mph. Gusts up to 36 km/h 23 mph.
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