On Monday, December 2, mostly partly cloudy, light precipitation are expected in Port Ontario. The lowest air temperature will be -3°C at 4 am, the highest temperature will be +1°C around 1 pm. The atmospheric pressure will be within 755-758 mm Hg. The relative humidity 73-88%. The wind will be mainly westerly 3 m/s with maximum gusts up to 6 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 4 pm. The atmospheric pressure will be within 758-760 mm Hg. The relative humidity 71-88%. 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 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 7 pm. The atmospheric pressure will be within 744-758 mm Hg. The relative humidity 62-90%. The wind will be mainly southerly 7 m/s with maximum gusts up to 15 m/s. Ultraviolet index 1, 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 740-748 mm Hg. The relative humidity 76-89%. The wind will be mainly westerly 7 m/s with maximum gusts up to 14 m/s. Ultraviolet index 1, no sun protection is required

On Friday, December 6, mostly partly cloudy weather, no precipitation are expected in Port Ontario. The lowest air temperature will be -8°C at 10 pm, the highest temperature will be -4°C around 1 am. The atmospheric pressure will be within 751-760 mm Hg. The relative humidity 63-76%. The wind will be mainly westerly 7 m/s with maximum gusts up to 11 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 -11°C at 7 am, the highest temperature will be -7°C around 1 pm. The atmospheric pressure will be within 750-759 mm Hg. The relative humidity 61-84%. The wind will be mainly southeasterly 7 m/s with maximum gusts up to 13 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, December 8, mostly partly cloudy, no precipitation are expected in Port Ontario. The lowest air temperature will be -9°C at 1 am, the highest temperature will be +2°C around 4 pm. The atmospheric pressure will be within 750-760 mm Hg. The relative humidity 77-91%. The wind will be mainly northerly 3 m/s with maximum gusts up to 6 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 +2°C at 1 am, the highest temperature will be +7°C around 4 pm. The atmospheric pressure will be within 757-760 mm Hg. The relative humidity 82-90%. The wind will be mainly easterly 1 m/s with maximum gusts up to 4 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 10, mostly cloudy weather, snow are expected in Port Ontario. The lowest air temperature will be 0°C at 10 pm, the highest temperature will be +4°C around 1 am. The atmospheric pressure will be within 748-756 mm Hg. The relative humidity 76-88%. The wind will be mainly southeasterly 4 m/s with maximum gusts up to 9 m/s. Ultraviolet index 1, no sun protection is required

On Wednesday, December 11, mostly cloudy weather, snow are expected in Port Ontario. The lowest air temperature will be -3°C at 7 am, the highest temperature will be -1°C around 1 am. The atmospheric pressure will be within 746-750 mm Hg. The relative humidity 65-80%. The wind will be mainly northwesterly 6 m/s with maximum gusts up to 10 m/s. Ultraviolet index 1, no sun protection is required