7-Day Forecast Summary
7-Day Detailed Weather Forecast for San Ysidro
Tonight |
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Temperature: 73°F Wind Speed: 3 mph Wind Direction: SE Forecast: Mostly clear, with a low around 73. Southeast wind around 3 mph. |
Wednesday |
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Temperature: 103°F Wind Speed: 1 to 5 mph Wind Direction: SE Forecast: Sunny, with a high near 103. Heat index values as high as 98. Southeast wind 1 to 5 mph. |
Wednesday Night |
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Temperature: 73°F Wind Speed: 1 to 5 mph Wind Direction: E Forecast: Partly cloudy, with a low around 73. Heat index values as high as 97. East wind 1 to 5 mph. |
Thursday |
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Temperature: 101°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Sunny, with a high near 101. Heat index values as high as 97. South southeast wind around 5 mph. |
Thursday Night |
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Temperature: 72°F Wind Speed: 3 mph Wind Direction: ENE Forecast: A chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely. Partly cloudy, with a low around 72. East northeast wind around 3 mph. Chance of precipitation is 60%. |
Friday |
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Temperature: 99°F Wind Speed: 1 to 5 mph Wind Direction: ESE Forecast: Sunny, with a high near 99. East southeast wind 1 to 5 mph. |
Friday Night |
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Temperature: 72°F Wind Speed: 0 to 5 mph Wind Direction: E Forecast: Partly cloudy, with a low around 72. East wind 0 to 5 mph. |
Saturday |
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Temperature: 99°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: Sunny, with a high near 99. Southeast wind 0 to 5 mph. |
Saturday Night |
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Temperature: 72°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 72. South wind 0 to 5 mph. Chance of precipitation is 20%. |
Sunday |
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Temperature: 99°F Wind Speed: 1 to 5 mph Wind Direction: SSE Forecast: Sunny, with a high near 99. |
Sunday Night |
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Temperature: 71°F Wind Speed: 1 to 5 mph Wind Direction: WNW Forecast: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. Chance of precipitation is 30%. |
Monday |
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Temperature: 97°F Wind Speed: 1 to 5 mph Wind Direction: W Forecast: Mostly sunny, with a high near 97. |
Monday Night |
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Temperature: 71°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 98°F Wind Speed: 3 mph Wind Direction: W Forecast: Sunny, with a high near 98. |

