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Armstrong, ON Weather Forecast
Armstrong, ON Weather Forecast Dated: 816 PM Tue Sep 15 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Tuesday, September 15, 2026
Mid-Morning
11°C 51°F
Sunny
Mid-Afternoon
13°C 55°F
Scattered Showers
Early-Evening
11°C 52°F
Scattered Showers
Brisk around 13°C 55°F, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds turning from the SSW to the W at 23 km/h 15 mph. Gusts up to 49 km/h 30 mph.
Wednesday, September 16, 2026
Mid-Morning
6°C 42°F
Scattered Showers
Mid-Afternoon
11°C 52°F
Partly Cloudy
Early-Evening
10°C 49°F
Sunny
Cool and brisk at 11°C 52°F, scattered downpours possible, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
7°C 45°F
Light Fog
Mid-Afternoon
13°C 55°F
Sunny
Early-Evening
10°C 50°F
Sunny
Chilly near 13°C 55°F, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the W to the NW at 14 km/h 8 mph.
Friday, September 18, 2026
Mid-Morning
4°C 40°F
Sunny
Mid-Afternoon
10°C 51°F
Sunny
Early-Evening
10°C 49°F
Sunny
Crisp with a high near 10°C 51°F, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the ESE to the S at 10 km/h 6 mph.
Saturday, September 19, 2026
Mid-Morning
6°C 42°F
Partly Cloudy
Mid-Afternoon
9°C 48°F
Overcast
Early-Evening
9°C 48°F
Scattered Showers
Brisk around 9°C 48°F, scattered downpours possible, with increasing humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
7°C 45°F
Overcast
Mid-Afternoon
11°C 51°F
Cloudy
Early-Evening
11°C 52°F
Sunny
Cool and brisk at 11°C 51°F, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
9°C 49°F
Sunny
Mid-Afternoon
16°C 60°F
Sunny
Early-Evening
14°C 57°F
Overcast
Comfortable at 16°C 60°F, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
12°C 53°F
Overcast
Mid-Afternoon
16°C 62°F
Sunny
Early-Evening
16°C 61°F
Sunny
Cool with a high near 16°C 62°F, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
10°C 50°F
Light Showers
Mid-Afternoon
12°C 54°F
Scattered Showers
Early-Evening
16°C 59°F
Overcast
Brisk around 12°C 54°F, locally heavy downpours at times, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
13°C 55°F
Partly Cloudy
Mid-Afternoon
18°C 64°F
Sunny
Early-Evening
16°C 61°F
Overcast
Mildly cool near 18°C 64°F, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
10°C 50°F
Light Showers
Mid-Afternoon
9°C 47°F
Scattered Showers
Early-Evening
10°C 49°F
Sunny
Chilly near 9°C 47°F, scattered downpours possible, with steady humidity and barometric pressure rising.
Saturday, September 26, 2026
Mid-Morning
5°C 42°F
Sunny
Mid-Afternoon
12°C 53°F
Overcast
Early-Evening
10°C 50°F
Scattered Showers
Crisp with a high near 12°C 53°F, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the NW to the WNW at 9 km/h 6 mph.
Sunday, September 27, 2026
Mid-Morning
7°C 44°F
Cloudy
Mid-Afternoon
12°C 54°F
Cloudy
Early-Evening
11°C 51°F
Cloudy
Brisk around 12°C 54°F, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the W to the WNW at 14 km/h 8 mph.
Monday, September 28, 2026
Mid-Morning
5°C 40°F
Overcast
Mid-Afternoon
7°C 45°F
Cloudy
Early-Evening
8°C 46°F
Overcast
Cool and brisk at 7°C 45°F, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
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