7-Day Forecast Summary
7-Day Detailed Weather Forecast for Saint Augustine
Today |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 2pm. Mostly sunny. High near 91, with temperatures falling to around 86 in the afternoon. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tonight |
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Temperature: 78°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 11pm. Mostly cloudy. Low around 78, with temperatures rising to around 79 overnight. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Monday |
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Temperature: 92°F Wind Speed: 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 92, with temperatures falling to around 87 in the afternoon. Heat index values as high as 105. Southwest wind around 12 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Monday Night |
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Temperature: 77°F Wind Speed: 7 to 10 mph Wind Direction: W Forecast: Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 77. West wind 7 to 10 mph. Chance of precipitation is 80%. |
Tuesday |
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Temperature: 90°F Wind Speed: 12 mph Wind Direction: SW Forecast: A slight chance of rain showers between 8am and 11am, then showers and thunderstorms likely. Partly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Southwest wind around 12 mph. Chance of precipitation is 60%. |
Tuesday Night |
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Temperature: 77°F Wind Speed: 9 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%. |
Wednesday |
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Temperature: 88°F Wind Speed: 9 to 13 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Chance of precipitation is 50%. |
Wednesday Night |
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Temperature: 78°F Wind Speed: 9 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 50%. |
Thursday |
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Temperature: 90°F Wind Speed: 6 to 12 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 30%. |
Thursday Night |
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Temperature: 77°F Wind Speed: 7 to 12 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 30%. |
Juneteenth |
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Temperature: 90°F Wind Speed: 6 to 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%. |
Friday Night |
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Temperature: 77°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 40%. |
Saturday |
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Temperature: 89°F Wind Speed: 9 mph Wind Direction: W Forecast: Showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Chance of precipitation is 60%. |
Saturday Night |
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Temperature: 76°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 76. |

