Was October 27, 2026 a day for a swim in Hillsboro?
NO
No — late-October light rain and a top of 13°C is a day for a wetsuit, not a swim.
Why
- High of 13.1°C (55.6°F) in Hillsboro today
- About 8 mm of rain expected, 53% chance
- Water that cold turns swimming into a rescue drill