On Monday, December 2, mostly partly cloudy, light precipitation are expected in Port Ontario. The lowest air temperature will be -3°C at 7 am, the highest temperature will be 0°C around 4 pm. The atmospheric pressure will be within 755-759 mm Hg. The relative humidity 72-88%. The wind will be mainly westerly 2 m/s with maximum gusts up to 5 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 3, mostly cloudy weather, snow are expected in Port Ontario. The lowest air temperature will be -2°C at 7 am, the highest temperature will be 0°C around 1 pm. The atmospheric pressure will be within 759-760 mm Hg. The relative humidity 74-88%. The wind will be mainly westerly 3 m/s with maximum gusts up to 7 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 4, mostly cloudy weather, snow are expected in Port Ontario. The lowest air temperature will be -2°C at 4 am, the highest temperature will be -1°C around 1 pm. The atmospheric pressure will be within 745-759 mm Hg. The relative humidity 77-91%. The wind will be mainly southerly 6 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required

On Thursday, December 5, mostly cloudy weather, snowstorm are expected in Port Ontario. The lowest air temperature will be -3°C at 10 pm, the highest temperature will be +1°C around 4 am. The atmospheric pressure will be within 741-750 mm Hg. The relative humidity 66-91%. The wind will be mainly westerly 12 m/s with maximum gusts up to 18 m/s. Ultraviolet index 1, no sun protection is required

On Friday, December 6, mostly partly cloudy, no precipitation are expected in Port Ontario. The lowest air temperature will be -9°C at 10 pm, the highest temperature will be -5°C around 1 am. The atmospheric pressure will be within 752-759 mm Hg. The relative humidity 66-83%. The wind will be mainly westerly 5 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required

On Saturday, December 7, mostly cloudy weather, snow are expected in Port Ontario. The lowest air temperature will be -7°C at 1 am, the highest temperature will be +1°C around 10 pm. The atmospheric pressure will be within 746-757 mm Hg. The relative humidity 73-87%. The wind will be mainly southerly 4 m/s with maximum gusts up to 11 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, December 8, mostly partly cloudy, light snow are expected in Port Ontario. The lowest air temperature will be -6°C at 10 pm, the highest temperature will be -1°C around 7 am. The atmospheric pressure will be within 748-759 mm Hg. The relative humidity 69-92%. The wind will be mainly northwesterly 7 m/s with maximum gusts up to 12 m/s. Ultraviolet index 2, no sun protection is required

On Monday, December 9, mostly partly cloudy, no precipitation are expected in Port Ontario. The lowest air temperature will be -5°C at 4 am, the highest temperature will be +3°C around 4 pm. The atmospheric pressure will be within 759-763 mm Hg. The relative humidity 73-86%. The wind will be mainly northwesterly 1 m/s with maximum gusts up to 7 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 10, mostly cloudy weather, precipitation are expected in Port Ontario. The lowest air temperature will be +1°C at 7 pm, the highest temperature will be +3°C around 1 pm. The atmospheric pressure will be within 742-762 mm Hg. The relative humidity 79-91%. The wind will be mainly easterly 8 m/s with maximum gusts up to 16 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 11, mostly cloudy weather, snowstorm are expected in Port Ontario. The lowest air temperature will be -6°C at 1 pm, the highest temperature will be -2°C around 1 am. The atmospheric pressure will be within 738-747 mm Hg. The relative humidity 71-84%. The wind will be mainly westerly 8 m/s with maximum gusts up to 13 m/s. Ultraviolet index 1, no sun protection is required