Portland Weather Alerts 7-Day and Hourly 7 Day Forecast Hourly Forecast Day Night UV Index Humidity Close Details Close Details 7 Day Forecast Friday 70° / 49° Partly Cloudy Partly Cloudy 0% 70° 49° Saturday 76° / 52° Partly Cloudy Partly Cloudy 8% 76° 52° Sunday 77° / 56° Partly Cloudy Partly Cloudy 7% 77° 56° Monday 79° / 57° Partly Cloudy Partly Cloudy 7% 79° 57° Tuesday 86° / 59° Mostly Sunny Mostly Sunny 7% 86° 59° Wednesday 75° / 54° Partly Cloudy Partly Cloudy 15% 75° 54° Thursday 74° / 54° Partly Cloudy Partly Cloudy 14% 74° 54° Humidity Close Details Close Details Hourly Forecast 63° 11 AM Partly Cloudy 0% 63° 64° 12 PM Partly Cloudy 0% 64° 66° 1 PM Partly Cloudy 0% 66° 66° 2 PM Partly Cloudy 0% 66° 68° 3 PM Partly Cloudy 0% 68° 69° 4 PM Partly Cloudy 0% 69° 69° 5 PM Mostly Sunny 0% 69° 68° 6 PM Mostly Sunny 0% 68° 66° 7 PM Sunny 0% 66° 63° 8 PM Clear 2% 63° 60° 9 PM Clear 3% 60° 59° 10 PM Clear 4% 59° 57° 11 PM Clear 5% 57° 56° 12 AM Clear 6% 56° 54° 1 AM Clear 6% 54° 53° 2 AM Clear 7% 53° 52° 3 AM Clear 7% 52° 52° 4 AM Mostly Clear 8% 52° 51° 5 AM Mostly Clear 8% 51° 50° 6 AM Partly Cloudy 8% 50° 50° 7 AM Partly Cloudy 8% 50° 51° 8 AM Partly Cloudy 9% 51° 54° 9 AM Partly Cloudy 6% 54° 57° 10 AM Partly Cloudy 3% 57° Latest Weather Headlines Mother’s Day in Portland: Unseasonably hot, breezy How heat advisory differs from excessive heat watch TriMet says 90-degree temps could delay MAX service Record-breaking heat continues this weekend in Portland Can you trust your home thermometer? Rising heat brings higher climbing risks to Hood Where will it be hottest this Mother’s Day weekend? Will El Niño affect Oregon’s drought recovery? Summer heat begins Friday, record heat by weekend Portland set to become an island this weekend