Hillsboro, Oregon Weather:
Monday, May 18, 2026
Sunny with a Chance of Thunderstorms
Day 73°
Night 43°
Precipitation 90 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (May 18, 2025)
Rainy Weather

Day

61°

Night

48°

Wind

7 mph

UV Index

2

Precipitation

49 %