May 2026 Weather | Portland, Oregon

Fri 5/1
Cloudy Weather
Day 72°
Night 48°
11
Sat 5/2
Cloudy Weather
Day 75°
Night 54°
9
Sun 5/3
Cloudy Weather
Day 82°
Night 55°
13
Mon 5/4
Sunny Weather
Day 81°
Night 55°
0
Tue 5/5
Cloudy Weather
Day 75°
Night 54°
3
Wed 5/6
Cloudy Weather
Day 70°
Night 52°
2
Thu 5/7
Cloudy Weather
Day 72°
Night 52°
1
Fri 5/8
Cloudy Weather
Day 72°
Night 52°
1
Sat 5/9
Sunny Weather
Day 68°
Night 50°
1
Sun 5/10
Rainy Weather
Day 66°
Night 48°
69
Mon 5/11
Cloudy Weather
Day 63°
Night 46°
20
Tue 5/12
Cloudy Weather
Day 64°
Night 46°
40
Wed 5/13
Cloudy Weather
Day 72°
Night 48°
44
Thu 5/14
Cloudy Weather
Day 72°
Night 52°
21
Fri 5/15
Cloudy Weather
Day 72°
Night 52°
84
Sat 5/16
Rainy Weather
Day 72°
Night 48°
96
Sun 5/17
Cloudy Weather
Day 63°
Night 45°
95
Mon 5/18
Cloudy Weather
Day 72°
Night 48°
60
Tue 5/19
Cloudy Weather
Day 64°
Night 46°
49
Wed 5/20
Cloudy Weather
Day 64°
Night 50°
8
Thu 5/21
Partly Sunny with Showers
Day 64°
Night 50°
91
Fri 5/22
Cloudy Weather
Day 64°
Night 46°
40
Sat 5/23
Cloudy Weather
Day 64°
Night 48°
3
Sun 5/24
Cloudy Weather
Day 72°
Night 50°
9
Mon 5/25
Cloudy Weather
Day 73°
Night 52°
58
Tue 5/26
Cloudy Weather
Day 70°
Night 46°
6
Wed 5/27
Cloudy Weather
Day 66°
Night 48°
0
Thu 5/28
Cloudy Weather
Day 64°
Night 46°
67
Fri 5/29
Cloudy Weather
Day 68°
Night 46°
0
Sat 5/30
Cloudy Weather
Day 64°
Night 46°
1
Sun 5/31
Cloudy Weather
Day 64°
Night 46°
0