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Wiarton ON Weather - Overcast
Overcast
56°F
Updated 7:13 am
Feels Like 49°F
Humidity 80%
Wind NNE 14 mph
Barometer  30.27 in
Visibility 6 mi
Wiarton ON Weather - Overcast
Overcast
13°C
Updated 7:13 am
Feels Like 9°C
Humidity 80%
Wind NNE 22 km/h
Barometer  102.5 kPa
Visibility 10 km
Wiarton, ON Weather and Current Conditionswiarton on weather forecast

Wiarton, ON Weather Forecast

Wiarton Ontario WeatherWiarton, Ontario Weather Weather Forecast
14 day API Wiarton, ON weather forecast. Note. Our 7-day weather forecast for Wiarton, Ontario is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
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
Wiarton Weather - 2026-09-18 - Morning - Overcast
14°C 57°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-18 - Afternoon - Overcast
14°C 58°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-18 - Evening - Overcast
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
Wiarton Weather - 2026-09-19 - Morning - Sunny
11°C 51°F
Sunny
Mid-Afternoon
Wiarton Weather - 2026-09-19 - Afternoon - Overcast
17°C 63°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-19 - Evening - Overcast
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
Wiarton Weather - 2026-09-20 - Morning - Overcast
14°C 57°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-20 - Afternoon - Overcast
15°C 59°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-20 - Evening - Overcast
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
Wiarton Weather - 2026-09-21 - Morning - Overcast
10°C 49°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-21 - Afternoon - Overcast
12°C 54°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-21 - Evening - Overcast
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
Wiarton Weather - 2026-09-22 - Morning - Overcast
11°C 52°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-22 - Afternoon - Overcast
15°C 60°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-22 - Evening - Overcast
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
Wiarton Weather - 2026-09-23 - Morning - Light Rain
11°C 51°F
Light Rain
Mid-Afternoon
Wiarton Weather - 2026-09-23 - Afternoon - Light Showers
10°C 51°F
Light Showers
Early-Evening
Wiarton Weather - 2026-09-23 - Evening - Scattered Showers
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
Wiarton Weather - 2026-09-24 - Morning - Overcast
12°C 53°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-24 - Afternoon - Scattered Showers
16°C 60°F
Scattered Showers
Early-Evening
Wiarton Weather - 2026-09-24 - Evening - Sunny
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
Wiarton Weather - 2026-09-25 - Morning - Scattered Showers
10°C 51°F
Scattered Showers
Mid-Afternoon
Wiarton Weather - 2026-09-25 - Afternoon - Sunny
13°C 56°F
Sunny
Early-Evening
Wiarton Weather - 2026-09-25 - Evening - Sunny
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
Wiarton Weather - 2026-09-26 - Morning - Sunny
10°C 50°F
Sunny
Mid-Afternoon
Wiarton Weather - 2026-09-26 - Afternoon - Sunny
15°C 58°F
Sunny
Early-Evening
Wiarton Weather - 2026-09-26 - Evening - Sunny
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
Wiarton Weather - 2026-09-27 - Morning - Sunny
12°C 54°F
Sunny
Mid-Afternoon
Wiarton Weather - 2026-09-27 - Afternoon - Sunny
18°C 65°F
Sunny
Early-Evening
Wiarton Weather - 2026-09-27 - Evening - Sunny
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
Wiarton Weather - 2026-09-28 - Morning - Sunny
16°C 60°F
Sunny
Mid-Afternoon
Wiarton Weather - 2026-09-28 - Afternoon - Cloudy
23°C 73°F
Cloudy
Early-Evening
Wiarton Weather - 2026-09-28 - Evening - Overcast
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
Wiarton Weather - 2026-09-29 - Morning - Overcast
20°C 68°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-29 - Afternoon - Partly Cloudy
23°C 74°F
Partly Cloudy
Early-Evening
Wiarton Weather - 2026-09-29 - Evening - Cloudy
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
Wiarton Weather - 2026-09-30 - Morning - Overcast
20°C 67°F
Overcast
Mid-Afternoon
Wiarton Weather - 2026-09-30 - Afternoon - Overcast
22°C 71°F
Overcast
Early-Evening
Wiarton Weather - 2026-09-30 - Evening - Partly Cloudy
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
Wiarton Weather - 2026-10-01 - Morning - Scattered Showers
13°C 56°F
Scattered Showers
Mid-Afternoon
Wiarton Weather - 2026-10-01 - Afternoon - Partly Cloudy
13°C 56°F
Partly Cloudy
Early-Evening
Wiarton Weather - 2026-10-01 - Evening - Cloudy
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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Weather by the Numbers

Fri, 18th
Wiarton ON Weather - Friday, Sep 18, 2026 - Overcast
Hi: 15°C 59°F
Lo: 13°C 55°F
Sunrise 07:07 AM
Sunset 07:30 PM
Wind NNE 20 km/h12 mph
Dew Point 7°C44°F
uv Index 4
Barometric Pressure 102.7 kPa30.33 in
POP 15% *
Humidity 61%
Sat, 19th
Wiarton ON Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 17°C 63°F
Lo: 10°C 49°F
Sunrise 07:08 AM
Sunset 07:28 PM
Wind ESE 18 km/h11 mph
Dew Point 3°C37°F
uv Index 5
Barometric Pressure 102.3 kPa30.21 in
POP 4% *
Humidity 45%
Sun, 20th
Wiarton ON Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 16°C 60°F
Lo: 12°C 53°F
Sunrise 07:09 AM
Sunset 07:26 PM
Wind NE 19 km/h12 mph
Dew Point 4°C40°F
uv Index 4
Barometric Pressure 101.8 kPa30.06 in
POP 11% *
Humidity 48%
Mon, 21st
Wiarton ON Weather - Monday, Sep 21, 2026 - Overcast
Hi: 14°C 57°F
Lo: 9°C 49°F
Sunrise 07:11 AM
Sunset 07:24 PM
Wind ENE 27 km/h17 mph
Dew Point 3°C37°F
uv Index 4
Barometric Pressure 102.6 kPa30.3 in
POP 14% *
Humidity 59%
Tue, 22nd
Wiarton ON Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 16°C 61°F
Lo: 11°C 51°F
Sunrise 07:12 AM
Sunset 07:22 PM
Wind ENE 27 km/h17 mph
Dew Point 2°C36°F
uv Index 3
Barometric Pressure 102.5 kPa30.27 in
POP 12% *
Humidity 52%
Wed, 23rd
Wiarton ON Weather - Wednesday, Sep 23, 2026 - Light Rain Shower
Hi: 13°C 55°F
Lo: 10°C 50°F
Sunrise 07:13 AM
Sunset 07:20 PM
Wind ESE 27 km/h17 mph
Dew Point 8°C47°F
uv Index 3
Barometric Pressure 102.7 kPa30.33 in
POP 72% *
Humidity 88%
Thu, 24th
Wiarton ON Weather - Thursday, Sep 24, 2026 - Patchy Rain Nearby
Hi: 16°C 60°F
Lo: 11°C 51°F
Sunrise 07:14 AM
Sunset 07:18 PM
Wind WNW 5 km/h3 mph
Dew Point 11°C51°F
uv Index 3
Barometric Pressure 102.2 kPa30.18 in
POP 25% *
Humidity 83%
Fri, 25th
Wiarton ON Weather - Friday, Sep 25, 2026 - Sunny
Hi: 14°C 57°F
Lo: 10°C 50°F
Sunrise 07:15 AM
Sunset 07:16 PM
Wind NNW 30 km/h18 mph
Dew Point 4°C39°F
uv Index 4
Barometric Pressure 102.1 kPa30.15 in
POP 10% *
Humidity 60%
Sat, 26th
Wiarton ON Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 15°C 58°F
Lo: 9°C 48°F
Sunrise 07:17 AM
Sunset 07:14 PM
Wind NNW 21 km/h13 mph
Dew Point -1°C29°F
uv Index 4
Barometric Pressure 102.3 kPa30.21 in
POP 1% *
Humidity 37%
Sun, 27th
Wiarton ON Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Hi: 19°C 66°F
Lo: 10°C 50°F
Sunrise 07:18 AM
Sunset 07:12 PM
Wind SW 23 km/h15 mph
Dew Point 6°C43°F
uv Index 5
Barometric Pressure 101.8 kPa30.06 in
POP 3% *
Humidity 49%
Mon, 28th
Wiarton ON Weather - Monday, Sep 28, 2026 - Overcast
Hi: 23°C 74°F
Lo: 14°C 57°F
Sunrise 07:19 AM
Sunset 07:11 PM
Wind SW 24 km/h15 mph
Dew Point 8°C46°F
uv Index 5
Barometric Pressure 101.3 kPa29.91 in
POP 3% *
Humidity 44%
Tue, 29th
Wiarton ON Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 24°C 75°F
Lo: 20°C 67°F
Sunrise 07:20 AM
Sunset 07:09 PM
Wind WSW 21 km/h13 mph
Dew Point 12°C53°F
uv Index 5
Barometric Pressure 101.3 kPa29.91 in
POP 12% *
Humidity 53%
Wed, 30th
Wiarton ON Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 22°C 72°F
Lo: 17°C 62°F
Sunrise 07:21 AM
Sunset 07:07 PM
Wind WSW 18 km/h11 mph
Dew Point 14°C57°F
uv Index 5
Barometric Pressure 101.2 kPa29.88 in
POP 14% *
Humidity 59%
Thu, 1st
Wiarton ON Weather - Thursday, Oct 1, 2026 - Patchy Rain Nearby
Hi: 16°C 62°F
Lo: 10°C 50°F
Sunrise 07:23 AM
Sunset 07:05 PM
Wind NNW 15 km/h9 mph
Dew Point 12°C53°F
uv Index 3
Barometric Pressure 101 kPa29.83 in
POP 29% *
Humidity 91%
* POP = Probability of Precipitation. Data for 12:00 PM.