On Thursday, December 5, mostly partly cloudy, no precipitation are expected in Костычевка. The lowest air temperature will be -6°C at 9 am, the highest temperature will be -2°C around 3 pm. The atmospheric pressure will be within 751-755 mm Hg. The relative humidity 86-89%. The wind will be mainly southwesterly 4 m/s with maximum gusts up to 8 m/s. Ultraviolet index 2, no sun protection is required

On Friday, December 6, mostly partly cloudy weather, no precipitation are expected in Костычевка. The lowest air temperature will be -10°C at 9 pm, the highest temperature will be -3°C at midnight. The atmospheric pressure will be within 752-758 mm Hg. The relative humidity 80-88%. The wind will be mainly northwesterly 5 m/s with maximum gusts up to 12 m/s. Ultraviolet index 2, no sun protection is required

On Saturday, December 7, mostly partly cloudy weather, no precipitation are expected in Костычевка. The lowest air temperature will be -15°C at 6 am, the highest temperature will be -10°C around 3 pm. The atmospheric pressure will be within 759-761 mm Hg. The relative humidity 83-87%. The wind will be mainly westerly 3 m/s with maximum gusts up to 9 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, December 8, mostly cloudy weather, no precipitation are expected in Костычевка. The lowest air temperature will be -17°C at 6 am, the highest temperature will be -13°C around 3 pm. The atmospheric pressure will be within 761-764 mm Hg. The relative humidity 78-87%. The wind will be mainly northwesterly 2 m/s with maximum gusts up to 5 m/s. Ultraviolet index 1, no sun protection is required

On Monday, December 9, mostly partly cloudy weather, no precipitation are expected in Костычевка. The lowest air temperature will be -20°C at 6 am, the highest temperature will be -13°C around 3 pm. The atmospheric pressure will be within 764-769 mm Hg. The relative humidity 78-86%. The wind will be mainly southerly 2 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, no precipitation are expected in Костычевка. The lowest air temperature will be -18°C at 3 am, the highest temperature will be -11°C around 9 pm. The atmospheric pressure will be within 765-768 mm Hg. The relative humidity 76-84%. The wind will be mainly southwesterly 6 m/s with maximum gusts up to 15 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 11, mostly cloudy weather, light snow are expected in Костычевка. The lowest air temperature will be -11°C at 3 am, the highest temperature will be -8°C around 3 pm. The atmospheric pressure will be within 753-764 mm Hg. The relative humidity 70-76%. The wind will be mainly southerly 11 m/s with maximum gusts up to 22 m/s. Ultraviolet index 1, no sun protection is required

On Thursday, December 12, mostly partly cloudy, no precipitation are expected in Костычевка. The lowest air temperature will be -8°C at midnight, the highest temperature will be -4°C around 3 pm. The atmospheric pressure will be within 749-752 mm Hg. The relative humidity 76-84%. The wind will be mainly southwesterly 5 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required

On Friday, December 13, mostly cloudy weather, light snow are expected in Костычевка. The lowest air temperature will be -10°C at 6 am, the highest temperature will be -7°C at midnight. The atmospheric pressure will be within 742-747 mm Hg. The relative humidity 83-88%. The wind will be mainly southerly 7 m/s with maximum gusts up to 17 m/s. Ultraviolet index 1, no sun protection is required