May 2026 Weather | Hillsboro, Oregon

Fri 5/1
Cloudy Weather
Day 70°
Night 45°
1
Sat 5/2
Cloudy Weather
Day 68°
Night 45°
49
Sun 5/3
Cloudy Weather
Day 66°
Night 46°
1
Mon 5/4
Cloudy Weather
Day 68°
Night 41°
0
Tue 5/5
Partly Sunny with Showers
Day 61°
Night 39°
0
Wed 5/6
Stormy Weather
Day 59°
Night 39°
3
Thu 5/7
Partly Sunny with Showers
Day 61°
Night 39°
1
Fri 5/8
Cloudy Weather
Day 61°
Night 37°
0
Sat 5/9
Cloudy Weather
Day 63°
Night 39°
2
Sun 5/10
Rainy Weather
Day 63°
Night 46°
24
Mon 5/11
Cloudy Weather
Day 66°
Night 39°
96
Tue 5/12
Cloudy Weather
Day 70°
Night 45°
40
Wed 5/13
Cloudy Weather
Day 64°
Night 45°
25
Thu 5/14
Cloudy Weather
Day 63°
Night 41°
40
Fri 5/15
Cloudy Weather
Day 63°
Night 39°
96
Sat 5/16
Cloudy Weather
Day 64°
Night 39°
87
Sun 5/17
Cloudy Weather
Day 64°
Night 43°
55
Mon 5/18
Sunny with a Chance of Thunderstorms
Day 73°
Night 43°
90
Tue 5/19
Rainy Weather
Day 64°
Night 43°
49
Wed 5/20
Cloudy Weather
Day 70°
Night 46°
25
Thu 5/21
Cloudy Weather
Day 68°
Night 43°
96
Fri 5/22
Rainy Weather
Day 64°
Night 39°
8
Sat 5/23
Cloudy Weather
Day 66°
Night 45°
3
Sun 5/24
Rainy Weather
Day 66°
Night 45°
8
Mon 5/25
Rainy Weather
Day 63°
Night 48°
80
Tue 5/26
Cloudy Weather
Day 66°
Night 50°
5
Wed 5/27
Sunny with a Chance of Thunderstorms
Day 73°
Night 50°
0
Thu 5/28
Rainy Weather
Day 64°
Night 45°
55
Fri 5/29
Rainy Weather
Day 64°
Night 48°
0
Sat 5/30
Cloudy Weather
Day 68°
Night 43°
1
Sun 5/31
Rainy Weather
Day 68°
Night 45°
0