Monthly weather forecast in Portland

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
18 August, Sunday. day, 23°; night, 19°; rain19 August, Monday. day, 22°; night, 19°; clear20 August, Tuesday. day, 21°; night, 18°; clear21 August, Wednesday. day, 22°; night, 19°; clear22 August, Thursday. day, 21°; night, 19°; partly cloudy23 August, Friday. day, 24°; night, 14°; light rain24 August, Saturday. day, 26°; night, 16°; mostly clear
25 August, Sunday. day, 25°; night, 17°; light rain26 August, Monday. day, 22°; night, 17°; light rain27 August, Tuesday. day, 24°; night, 17°; light rain28 August, Wednesday. day, 24°; night, 18°; thunderstorm with rain29 August, Thursday. day, 23°; night, 14°; heavy rain30 August, Friday. day, 22°; night, 14°; partly cloudy31 August, Saturday. day, 23°; night, 18°; partly cloudy
1 September, Sunday. day, 24°; night, 17°; partly cloudy2 September, Monday. day, 24°; night, 16°; partly cloudy3 September, Tuesday. day, 24°; night, 14°; partly cloudy4 September, Wednesday. day, 23°; night, 16°; partly cloudy5 September, Thursday. day, 20°; night, 17°; mostly clear6 September, Friday. day, 21°; night, 18°; mostly clear7 September, Saturday. day, 20°; night, 18°; partly cloudy
8 September, Sunday. day, 20°; night, 18°; light rain9 September, Monday. day, 21°; night, 15°; light rain10 September, Tuesday. day, 17°; night, 14°; clear11 September, Wednesday. day, 14°; night, 12°; light rain12 September, Thursday. day, 16°; night, 14°; mostly clear13 September, Friday. day, 16°; night, 13°; partly cloudy14 September, Saturday. day, 17°; night, 11°; mostly clear
15 September, Sunday. day, 15°; night, 12°; clear16 September, Monday. day, 19°; night, 16°; clear17 September, Tuesday. day, 17°; night, 14°; partly cloudy18 September, Wednesday. day, 16°; night, 11°; clear19 September, Thursday. day, 16°; night, 11°; clear20 September, Friday. day, 16°; night, 14°; clear21 September, Saturday. day, 17°; night, 14°; rain

Average for 30 days

12 sunny days; 9 days with precipitation; 9 cloudy days;
air humidity 73%; 19 millimeters of precipitation (2% of annual average); Wind south-easterly 5.3 Meters per second; Water temperature +21°