Monthly weather forecast in Seattle

SundayMondayTuesdayWednesdayThursdayFridaySaturday
15 December, Sunday. day, 8°; night, 5°; partly cloudy16 December, Monday. day, 8°; night, 6°; rain17 December, Tuesday. day, 9°; night, 9°; heavy rain18 December, Wednesday. day, 12°; night, 7°; heavy rain19 December, Thursday. day, 10°; night, 9°; light rain20 December, Friday. day, 12°; night, 9°; light rain21 December, Saturday. day, 11°; night, 10°; light rain
22 December, Sunday. day, 11°; night, 9°; heavy rain23 December, Monday. day, 11°; night, 7°; rain24 December, Tuesday. day, 8°; night, 7°; rain25 December, Wednesday. day, 8°; night, 6°; light rain26 December, Thursday. day, 9°; night, 2°; overcast27 December, Friday. day, 5°; night, 7°; rain28 December, Saturday. day, 6°; night, 0°; light rain
29 December, Sunday. day, 2°; night, 0°; sleet30 December, Monday. day, 1°; night, -2°; sleet31 December, Tuesday. day, -3°; night, -7°; partly cloudy1 January, Wednesday. day, -6°; night, -11°; partly cloudy2 January, Thursday. day, -10°; night, -16°; partly cloudy3 January, Friday. day, -12°; night, -17°; clear4 January, Saturday. day, -11°; night, -11°; light snow
5 January, Sunday. day, -8°; night, -4°; snow6 January, Monday. day, 0°; night, 0°; sleet7 January, Tuesday. day, 0°; night, 0°; sleet8 January, Wednesday. day, 1°; night, -2°; sleet9 January, Thursday. day, -1°; night, -2°; snow10 January, Friday. day, 0°; night, -1°; sleet11 January, Saturday. day, 0°; night, 1°; sleet
12 January, Sunday. day, 0°; night, -13°; sleet13 January, Monday. day, -4°; night, -6°; partly cloudyNext, the average data for 10 years14 January, Tuesday. day, 7°; night, 5°; overcast15 January, Wednesday. day, 6°; night, 5°; rain16 January, Thursday. day, 7°; night, 5°; rain17 January, Friday. day, 6°; night, 5°; rain18 January, Saturday. day, 7°; night, 5°; clear

Average for 30 days

1 sunny day; 23 days with precipitation; 6 cloudy days;
air humidity 89%; 118 millimeters of precipitation (17% of annual average); Wind south-westerly 4.9 Meters per second