The long-range forecast for Portland indicates that current temperatures are within the expected ranges for this time of year, aligning closely with the historical average of 14.3 °C. This suggests typical weather patterns without significant deviations.
Select a month and click on a day for more information:
Friday
May 1
12° / 5°
Saturday
May 2
11° / 7°
Sunday
May 3
12° / 6°
Monday
May 4
11° / 6°
Tuesday
May 5
19° / 10°
Wednesday
May 6
15° / 11°
Thursday
May 7
12° / 8°
Friday
May 8
14° / 6°
Saturday
May 9
12° / 7°
Sunday
May 10
16° / 8°
Monday
May 11
12° / 10°
Tuesday
May 12
13° / 8°
Wednesday
May 13
12° / 8°
Thursday
May 14
12° / 9°
Friday
May 15
15° / 7°
Saturday
May 16
16° / 8°
Sunday
May 17
16° / 9°
Monday
May 18
16° / 6°
Tuesday
May 19
15° / 8°
Wednesday
May 20
16° / 9°
Thursday
May 21
18° / 10°
Friday
May 22
21° / 12°
Saturday
May 23
17° / 10°
Sunday
May 24
16° / 9°
Monday
May 25
17° / 8°
Tuesday
May 26
20° / 11°
Wednesday
May 27
20° / 12°
Thursday
May 28
20° / 12°
Friday
May 29
18° / 11°
Saturday
May 30
19° / 10°
Sunday
May 31
18° / 10°
Portland 30 days weather forecast
Check out our estimated 30 days weather forecast for Portland, this data is based on the average weather in Portland in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Portland next to the desired date.