Updated several times daily, this includes the outlook around Oregon and in Southwest Washington. Get your 3-Day weather forecast for Portland, ME. Hi/Low, RealFeel, precip, radar, & everything you need to be ready for the day, commute, and weekend! Up to 90 days of daily highs, lows, and precipitation chances. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Portland, AU with The Weather Network. MyForecast is a comprehensive resource for online weather forecasts and reports for over 58,000 locations worldwide. MyForecast is a comprehensive resource for online weather forecasts and reports for over 58,000 locations worldwide. Be prepared with the most accurate 10-day forecast for with highs, lows, chance of precipitation from The Weather Channel and Weather.com Be prepared with the most accurate 10-day forecast for with highs, lows, chance of precipitation from The Weather Channel and Weather.com Outlook for Wednesday to Friday. Weather Today/Tomorrow Hour-by-Hour Forecast 14 Day Forecast Yesterday/Past Weather Climate (Averages) Portland Extended Forecast with high and low temperatures °F. Last 2 weeks of weather. Long range weather outlook for Portland includes 14 day forecast summary: For Portland in the coming two weeks the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 24°C expected on the afternoon of Friday 3rd. Know what's coming with AccuWeather's extended daily forecasts for Portland, OR. Be prepared with the most accurate 10-day forecast for with highs, lows, chance of precipitation from The Weather Channel and Weather.com. Get your 3-Day weather forecast for Portland, OR. 14-day weather forecast for Portland. Weather Today/Tomorrow Hour-by-Hour Forecast 14 Day Forecast Yesterday/Past Weather Climate (Averages) Portland Extended Forecast with high and low temperatures °F. Scroll right to see more Conditions Comfort Precipitation Sun; Day Temperature Weather … Find 14 days Weather forecast for Portland including clouds cover, wind, humidity and more. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Wednesday looks set to be mostly dry with sunny intervals but also large areas of cloud. Be prepared with the most accurate 10-day forecast for with highs, lows, chance of precipitation from The Weather Channel and Weather.com Outlook for Wednesday to Friday. Weather Today/Tomorrow Hour-by-Hour Forecast 14 Day Forecast Yesterday/Past Weather Climate (Averages) Portland Extended Forecast with high and low temperatures °F.