Hamilton Weather Today: Forecast, Temperature and Alerts

January 17, 2026, wraps Hamilton, Ontario, in a familiar winter embrace, where the mercury hovers stubbornly below freezing and the sky alternates between brooding overcast and tentative glimpses of blue. As the Steel City stirs under a light dusting of overnight snow—totaling 3 cm from a late front—the morning commute on the QEW tests wiper blades and tempers alike. Environment Canada’s 6 a.m. bulletin clocks the temperature at -7°C (19°F), with northeast winds at 18 km/h gusting to 30 km/h, yielding a wind chill factor of -14°C (7°F).