On Monday, December 2, mostly cloudy weather, light precipitation are expected in Westford. The lowest air temperature will be -7°C at 7 am, the highest temperature will be -2°C around 4 pm. The atmospheric pressure will be within 720-723 mm Hg. The relative humidity 67-87%. 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, light precipitation are expected in Westford. The lowest air temperature will be -7°C at 10 pm, the highest temperature will be -1°C around 4 pm. The atmospheric pressure will be within 723-725 mm Hg. The relative humidity 70-89%. 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, light snow are expected in Westford. The lowest air temperature will be -6°C at 1 am, the highest temperature will be -2°C around 4 pm. The atmospheric pressure will be within 711-724 mm Hg. The relative humidity 63-84%. The wind will be mainly southerly 6 m/s with maximum gusts up to 16 m/s. Ultraviolet index 2, no sun protection is required

On Thursday, December 5, mostly partly cloudy, light snow are expected in Westford. The lowest air temperature will be -6°C at 4 pm, the highest temperature will be -1°C around 4 am. The atmospheric pressure will be within 706-711 mm Hg. The relative humidity 65-85%. The wind will be mainly westerly 8 m/s with maximum gusts up to 15 m/s. Ultraviolet index 2, no sun protection is required

On Friday, December 6, mostly partly cloudy, light snow are expected in Westford. The lowest air temperature will be -9°C at 4 am, the highest temperature will be -7°C around 4 pm. The atmospheric pressure will be within 713-724 mm Hg. The relative humidity 65-80%. The wind will be mainly westerly 6 m/s with maximum gusts up to 13 m/s. Ultraviolet index 2, no sun protection is required

On Saturday, December 7, mostly cloudy weather, snow are expected in Westford. The lowest air temperature will be -14°C at 7 am, the highest temperature will be -8°C around 1 pm. The atmospheric pressure will be within 714-724 mm Hg. The relative humidity 57-79%. The wind will be mainly southerly 4 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 Westford. The lowest air temperature will be -15°C at 1 am, the highest temperature will be -2°C around 4 pm. The atmospheric pressure will be within 713-724 mm Hg. The relative humidity 73-82%. The wind will be mainly northwesterly 4 m/s with maximum gusts up to 8 m/s. Ultraviolet index 2, no sun protection is required

On Monday, December 9, mostly partly cloudy weather, no precipitation are expected in Westford. The lowest air temperature will be -1°C at 1 am, the highest temperature will be +5°C around 4 pm. The atmospheric pressure will be within 723-725 mm Hg. The relative humidity 70-85%. The wind will be mainly northwesterly 0 m/s with maximum gusts up to 1 m/s. Ultraviolet index 3, sun protection is required

On Tuesday, December 10, mostly cloudy weather, snow are expected in Westford. The lowest air temperature will be -2°C at 10 pm, the highest temperature will be +3°C around 1 am. The atmospheric pressure will be within 713-722 mm Hg. The relative humidity 69-88%. The wind will be mainly easterly 3 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, light snow are expected in Westford. The lowest air temperature will be -6°C at 7 pm, the highest temperature will be -2°C around 1 pm. The atmospheric pressure will be within 708-712 mm Hg. The relative humidity 55-81%. The wind will be mainly westerly 6 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required