Northern Ontario Fly-In Communities: Three-Day Weather Forecast for September 16–18, 2026

THUNDER BAY – WEATHER DESK – Northern Ontario’s fly-in communities can expect a changeable stretch of early autumn weather, with cloudy skies, scattered showers and noticeably cooler conditions near Hudson Bay.
The western and central Far North should begin warming by Friday. Communities along the Hudson Bay and James Bay coasts will remain cooler, with daytime temperatures generally between 9°C and 14°C.
No Environment and Climate Change Canada weather alerts were post