Monthly weather forecast in Walla Walla

SundayMondayTuesdayWednesdayThursdayFridaySaturday
8 September, Sunday. day, 27°; night, 22°; clear9 September, Monday. day, 26°; night, 21°; clear10 September, Tuesday. day, 27°; night, 22°; clear11 September, Wednesday. day, 28°; night, 22°; clear12 September, Thursday. day, 26°; night, 21°; clear13 September, Friday. day, 25°; night, 21°; clear14 September, Saturday. day, 24°; night, 16°; partly cloudy
15 September, Sunday. day, 18°; night, 14°; overcast16 September, Monday. day, 23°; night, 17°; overcast17 September, Tuesday. day, 22°; night, 15°; partly cloudy18 September, Wednesday. day, 22°; night, 12°; partly cloudy19 September, Thursday. day, 24°; night, 13°; mostly clear20 September, Friday. day, 23°; night, 12°; mostly clear21 September, Saturday. day, 24°; night, 11°; partly cloudy
22 September, Sunday. day, 25°; night, 13°; partly cloudy23 September, Monday. day, 28°; night, 15°; clear24 September, Tuesday. day, 26°; night, 14°; clear25 September, Wednesday. day, 25°; night, 15°; partly cloudy26 September, Thursday. day, 17°; night, 9°; light rain27 September, Friday. day, 11°; night, 8°; rain28 September, Saturday. day, 14°; night, 8°; light rain
29 September, Sunday. day, 17°; night, 8°; clear30 September, Monday. day, 17°; night, 8°; clear1 October, Tuesday. day, 19°; night, 10°; clear2 October, Wednesday. day, 22°; night, 11°; clear3 October, Thursday. day, 22°; night, 12°; clear4 October, Friday. day, 16°; night, 4°; rain5 October, Saturday. day, 6°; night, 4°; rain
6 October, Sunday. day, 9°; night, 7°; light rain7 October, Monday. day, 13°; night, 7°; mostly clear8 October, Tuesday. day, 15°; night, 7°; clear9 October, Wednesday. day, 17°; night, 9°; clear10 October, Thursday. day, 17°; night, 8°; clear11 October, Friday. day, 17°; night, 9°; clear12 October, Saturday. day, 10°; night, 5°; mostly clear

Average for 30 days

16 sunny days; 6 days with precipitation; 8 cloudy days;
air humidity 55%; 5 millimeters of precipitation (2% of annual average); Wind south-westerly 3.3 Meters per second