| NWS Forecast for: Hillsboro OR Issued by: National Weather Service Portland, OR Last Update: 8:41 pm PST Nov 18, 2025 | |
| Tonight: Patchy dense fog before 10pm, then patchy dense fog after 11pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Calm wind. Wednesday: A 30 percent chance of rain after 4pm. Patchy dense fog before 8am. Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming east around 5 mph. Wednesday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 40. East wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible. Thursday: A 50 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 54. Light southeast wind. Thursday Night: Mostly cloudy, with a low around 38. Calm wind. Friday: A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 51. Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 41. Saturday: A chance of rain. Mostly cloudy, with a high near 54. Saturday Night: A chance of rain. Mostly cloudy, with a low around 44. Sunday: Rain likely, mainly after 4pm. Cloudy, with a high near 55. Sunday Night: Rain. Mostly cloudy, with a low around 42. Monday: Showers. Mostly cloudy, with a high near 53. Monday Night: Showers likely. Mostly cloudy, with a low around 36. Tuesday: A chance of showers. Partly sunny, with a high near 50. | |
| Hillsboro OR 45.55°N 122.96°W (Elev. 194 ft) | |
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