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


Mattawa, ON Weather Forecast Dated: 558 PM Sun Oct 18 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. generally humid conditions and a stable pattern will dominate.
Sunday, October 18, 2026
Mid-Morning
6°C 43°F
Partly Cloudy
Mid-Afternoon
15°C 58°F
Overcast
Early-Evening
10°C 50°F
Sunny
Refreshing around 15°C 58°F, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSW to the SW at 22 km/h 14 mph. Gusts up to 61 km/h 38 mph.
Monday, October 19, 2026
Mid-Morning
10°C 49°F
Sunny
Mid-Afternoon
17°C 62°F
Sunny
Early-Evening
9°C 47°F
Partly Cloudy
Mildly cool near 17°C 62°F, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the WSW to the WNW at 6 km/h 3 mph.
Tuesday, October 20, 2026
Mid-Morning
5°C 41°F
Sunny
Mid-Afternoon
13°C 56°F
Sunny
Early-Evening
5°C 41°F
Sunny
Chilly near 13°C 56°F, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
3°C 38°F
Sunny
Mid-Afternoon
15°C 60°F
Sunny
Early-Evening
7°C 44°F
Sunny
Cool with a high near 15°C 60°F, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Thursday, October 22, 2026
Mid-Morning
7°C 45°F
Partly Cloudy
Mid-Afternoon
13°C 55°F
Sunny
Early-Evening
5°C 40°F
Sunny
Brisk around 13°C 55°F, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the NW to the NE at 7 km/h 5 mph.
Friday, October 23, 2026
Mid-Morning
2°C 35°F
Overcast
Mid-Afternoon
12°C 53°F
Partly Cloudy
Early-Evening
6°C 42°F
Sunny
Cool and brisk at 12°C 53°F, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Saturday, October 24, 2026
Mid-Morning
3°C 38°F
Sunny
Mid-Afternoon
14°C 57°F
Sunny
Early-Evening
9°C 48°F
Sunny
Chilly near 14°C 57°F, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.
Sunday, October 25, 2026
Mid-Morning
13°C 56°F
Scattered Showers
Mid-Afternoon
16°C 62°F
Sunny
Early-Evening
12°C 53°F
Sunny
Cool with a high near 16°C 62°F, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the SW to the WNW at 16 km/h 10 mph. Gusts up to 39 km/h 24 mph.
Monday, October 26, 2026
Mid-Morning
2°C 36°F
Overcast
Mid-Afternoon
8°C 46°F
Overcast
Early-Evening
3°C 38°F
Sunny
Brisk around 8°C 46°F, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
-1°C 31°F
Partly Cloudy
Mid-Afternoon
7°C 45°F
Sunny
Early-Evening
2°C 34°F
Sunny
Cool and brisk at 7°C 45°F, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 28, 2026
Mid-Morning
0°C 32°F
Overcast
Mid-Afternoon
10°C 50°F
Sunny
Early-Evening
4°C 39°F
Sunny
Chilly near 10°C 50°F, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 10 km/h 6 mph.
Thursday, October 29, 2026
Mid-Morning
3°C 37°F
Overcast
Mid-Afternoon
12°C 53°F
Overcast
Early-Evening
10°C 50°F
Overcast
Crisp with a high near 12°C 53°F, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the S to the SSW at 15 km/h 9 mph. Gusts up to 48 km/h 30 mph.
Friday, October 30, 2026
Mid-Morning
13°C 55°F
Light Rain
Mid-Afternoon
14°C 57°F
Light Rain
Early-Evening
12°C 53°F
Scattered Showers
Brisk around 14°C 57°F, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SSW to the W at 23 km/h 15 mph. Gusts up to 48 km/h 30 mph.
Saturday, October 31, 2026
Mid-Morning
5°C 42°F
Cloudy
Mid-Afternoon
12°C 54°F
Sunny
Early-Evening
7°C 45°F
Sunny
Cool and brisk at 12°C 54°F, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds blowing from the WSW at 16 km/h 10 mph.
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