7-Day Forecast Summary
7-Day Detailed Weather Forecast for Portland
Overnight |
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Temperature: 79°F Wind Speed: 12 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Heat index values as high as 89. South southeast wind around 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Columbus Day |
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Temperature: 89°F Wind Speed: 9 to 15 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Heat index values as high as 108. Southeast wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Monday Night |
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Temperature: 81°F Wind Speed: 15 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 81. Heat index values as high as 103. South southeast wind around 15 mph, with gusts as high as 20 mph. |
Tuesday |
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Temperature: 90°F Wind Speed: 12 to 18 mph Wind Direction: SSE Forecast: A slight chance of rain showers between 7am and 9am. Mostly sunny, with a high near 90. Heat index values as high as 112. South southeast wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
Tuesday Night |
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Temperature: 81°F Wind Speed: 17 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 81. South southeast wind around 17 mph, with gusts as high as 24 mph. |
Wednesday |
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Temperature: 89°F Wind Speed: 15 to 21 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 89. Southeast wind 15 to 21 mph, with gusts as high as 26 mph. |
Wednesday Night |
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Temperature: 77°F Wind Speed: 15 to 20 mph Wind Direction: SE Forecast: Mostly clear, with a low around 77. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. |
Thursday |
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Temperature: 88°F Wind Speed: 15 mph Wind Direction: SE Forecast: Sunny, with a high near 88. Southeast wind around 15 mph, with gusts as high as 20 mph. |
Thursday Night |
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Temperature: 75°F Wind Speed: 8 to 15 mph Wind Direction: E Forecast: Mostly clear, with a low around 75. East wind 8 to 15 mph, with gusts as high as 18 mph. |
Friday |
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Temperature: 84°F Wind Speed: 18 to 28 mph Wind Direction: NNE Forecast: A slight chance of rain showers after 7am. Mostly sunny, with a high near 84. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 67°F Wind Speed: 29 mph Wind Direction: NNE Forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 20%. |
Saturday |
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Temperature: 76°F Wind Speed: 16 to 28 mph Wind Direction: NNE Forecast: Mostly sunny, with a high near 76. |
Saturday Night |
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Temperature: 64°F Wind Speed: 16 mph Wind Direction: NNE Forecast: Partly cloudy, with a low around 64. |
Sunday |
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Temperature: 77°F Wind Speed: 10 to 16 mph Wind Direction: NE Forecast: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 77. |

