Local Forecast for Portland, OR Currently 55.0°F HI: 62°F LO: 49°F Extended Forecast This Afternoon Occasional rain. High near 62. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. Tonight A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 49. West wind 5 to 10 mph becoming light southwest in the evening. Sunday A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Sunday Night Partly cloudy, with a low around 46. Northwest wind 5 to 10 mph becoming light west northwest in the evening. Monday Sunny, with a high near 72. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Monday Night A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 50. Tuesday Showers likely, mainly after 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 70%. Tuesday Night Showers likely. Cloudy, with a low around 44. Wednesday Showers likely. Mostly cloudy, with a high near 52. Wednesday Night Showers likely. Mostly cloudy, with a low around 46. Thursday Showers likely. Mostly cloudy, with a high near 60. Thursday Night A chance of showers. Mostly cloudy, with a low around 48. Friday A chance of showers. Mostly cloudy, with a high near 63.