7-Day Forecast Summary
7-Day Detailed Weather Forecast for Portland
Tonight |
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Temperature: 82°F Wind Speed: 13 to 17 mph Wind Direction: SE Forecast: A slight chance of rain showers between 11pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 82. Heat index values as high as 103. Southeast wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 89°F Wind Speed: 12 to 17 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then showers and thunderstorms likely between 9am and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 110. Southeast wind 12 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday Night |
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Temperature: 81°F Wind Speed: 12 to 17 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers and thunderstorms between 1am and 3am, then showers and thunderstorms likely. Partly cloudy, with a low around 81. Heat index values as high as 106. Southeast wind 12 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Monday |
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Temperature: 88°F Wind Speed: 13 mph Wind Direction: SSE Forecast: Showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 104. South southeast wind around 13 mph. Chance of precipitation is 80%. |
Monday Night |
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Temperature: 80°F Wind Speed: 13 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 80. Southeast wind around 13 mph. Chance of precipitation is 80%. |
Tuesday |
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Temperature: 85°F Wind Speed: 12 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 85. Southeast wind around 12 mph. Chance of precipitation is 80%. |
Tuesday Night |
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Temperature: 79°F Wind Speed: 13 to 16 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 13 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. |
Wednesday |
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Temperature: 88°F Wind Speed: 18 mph Wind Direction: SSE Forecast: Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southeast wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. |
Wednesday Night |
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Temperature: 81°F Wind Speed: 20 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. South southeast wind around 20 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. |
Thursday |
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Temperature: 91°F Wind Speed: 18 to 23 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 84°F Wind Speed: 18 to 23 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 84. Chance of precipitation is 20%. |
Juneteenth |
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Temperature: 91°F Wind Speed: 20 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 84°F Wind Speed: 18 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 84. Chance of precipitation is 20%. |
Saturday |
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Temperature: 90°F Wind Speed: 17 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 90. |

