Monthly weather forecast in Portland

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
25 August, Sunday. day, 22°; night, 19°; partly cloudy26 August, Monday. day, 24°; night, 16°; rain27 August, Tuesday. day, 23°; night, 19°; partly cloudy28 August, Wednesday. day, 26°; night, 13°; rain29 August, Thursday. day, 21°; night, 11°; partly cloudy30 August, Friday. day, 21°; night, 16°; clear31 August, Saturday. day, 20°; night, 19°; light rain
1 September, Sunday. day, 25°; night, 17°; partly cloudy2 September, Monday. day, 22°; night, 12°; light rain3 September, Tuesday. day, 20°; night, 10°; partly cloudy4 September, Wednesday. day, 22°; night, 12°; mostly clear5 September, Thursday. day, 21°; night, 14°; partly cloudy6 September, Friday. day, 23°; night, 16°; partly cloudy7 September, Saturday. day, 22°; night, 16°; partly cloudy
8 September, Sunday. day, 17°; night, 17°; partly cloudy9 September, Monday. day, 21°; night, 17°; clear10 September, Tuesday. day, 22°; night, 16°; partly cloudy11 September, Wednesday. day, 19°; night, 16°; clear12 September, Thursday. day, 18°; night, 14°; clear13 September, Friday. day, 18°; night, 14°; clear14 September, Saturday. day, 16°; night, 15°; partly cloudy
15 September, Sunday. day, 20°; night, 16°; partly cloudy16 September, Monday. day, 20°; night, 15°; mostly clear17 September, Tuesday. day, 19°; night, 14°; light rain18 September, Wednesday. day, 16°; night, 13°; partly cloudy19 September, Thursday. day, 16°; night, 13°; light rain20 September, Friday. day, 16°; night, 12°; rain21 September, Saturday. day, 14°; night, 12°; mostly clear
22 September, Sunday. day, 16°; night, 14°; mostly clear23 September, Monday. day, 16°; night, 13°; partly cloudy24 September, Tuesday. day, 18°; night, 14°; mostly clearNext, the average data for 10 years25 September, Wednesday. day, 17°; night, 13°; clear26 September, Thursday. day, 18°; night, 14°; clear27 September, Friday. day, 19°; night, 16°; rain28 September, Saturday. day, 16°; night, 15°; rain

Average for 30 days

13 sunny days; 4 days with precipitation; 13 cloudy days;
air humidity 74%; 23 millimeters of precipitation (3% of annual average); Wind southerly 5.5 Meters per second; Water temperature +21°