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St. Catharines 14-Day Extended Forecast
Two-week long-range trend forecast based on Canadian GEM ensemble model
Today(2026-09-17)
Overcast
24°18°
8% precip
Max Wind: 11 km/h (Gusts: 24 km/h)
Friday(2026-09-18)
Overcast
21°14°
2% precip
Max Wind: 16 km/h (Gusts: 29 km/h)
Saturday(2026-09-19)
Overcast
20°11°
15% precip
Max Wind: 23 km/h (Gusts: 37 km/h)
Sunday(2026-09-20)
Light Rain
17°13°
38% precip
Max Wind: 19 km/h (Gusts: 26 km/h)
Monday(2026-09-21)
Overcast
15°12°
9% precip
Max Wind: 25 km/h (Gusts: 41 km/h)
Tuesday(2026-09-22)
Overcast
17°12°
22% precip
Max Wind: 31 km/h (Gusts: 46 km/h)
Wednesday(2026-09-23)
Overcast
21°12°
27% precip
Max Wind: 20 km/h (Gusts: 43 km/h)