7-Day Forecast Summary
7-Day Detailed Weather Forecast for Petersburg
Overnight |
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Temperature: 72°F Wind Speed: 5 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms after 5am. Partly cloudy. Low around 72, with temperatures rising to around 74 overnight. West southwest wind around 5 mph. Chance of precipitation is 20%. |
Thursday |
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Temperature: 90°F Wind Speed: 5 to 9 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. West southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 69°F Wind Speed: 2 to 7 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly cloudy. Low around 69, with temperatures rising to around 71 overnight. West wind 2 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Friday |
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Temperature: 84°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. West wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Friday Night |
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Temperature: 65°F Wind Speed: 6 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday |
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Temperature: 78°F Wind Speed: 3 to 8 mph Wind Direction: ENE Forecast: Rain showers likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%. |
Saturday Night |
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Temperature: 57°F Wind Speed: 6 mph Wind Direction: NE Forecast: Mostly clear, with a low around 57. |
Sunday |
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Temperature: 78°F Wind Speed: 3 to 8 mph Wind Direction: ENE Forecast: Sunny, with a high near 78. |
Sunday Night |
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Temperature: 58°F Wind Speed: 2 to 7 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 58. |
Labor Day |
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Temperature: 78°F Wind Speed: 2 to 7 mph Wind Direction: E Forecast: Mostly sunny, with a high near 78. |
Monday Night |
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Temperature: 60°F Wind Speed: 2 to 6 mph Wind Direction: ESE Forecast: Partly cloudy, with a low around 60. |
Tuesday |
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Temperature: 81°F Wind Speed: 2 to 8 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 81. |
Tuesday Night |
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Temperature: 66°F Wind Speed: 7 to 10 mph Wind Direction: SSW Forecast: Partly cloudy, with a low around 66. |
Wednesday |
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Temperature: 84°F Wind Speed: 10 to 16 mph Wind Direction: SW Forecast: A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. |

