Weather in Port Byron, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Byron
This Afternoon |
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Temperature: 77°F Wind Speed: 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. |
Tonight |
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Temperature: 67°F Wind Speed: 15 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 80°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. |
Tuesday Night |
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Temperature: 61°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. |
Wednesday |
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Temperature: 74°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible. |
Wednesday Night |
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Temperature: 59°F Wind Speed: 10 mph Wind Direction: SW Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday |
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Temperature: 75°F Wind Speed: 10 mph Wind Direction: SW Forecast: A chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 56°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of rain showers before 7pm. Mostly clear, with a low around 56. Chance of precipitation is 30%. |
Friday |
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Temperature: 82°F Wind Speed: 5 to 15 mph Wind Direction: S Forecast: A chance of rain showers after 7am. Mostly sunny, with a high near 82. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 52°F Wind Speed: 15 mph Wind Direction: SW Forecast: A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 90%. |
Saturday |
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Temperature: 61°F Wind Speed: 15 to 20 mph Wind Direction: W Forecast: Showers and thunderstorms. Partly sunny, with a high near 61. Chance of precipitation is 80%. |
Saturday Night |
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Temperature: 35°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: A chance of rain showers before 7pm. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. |
Sunday |
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Temperature: 54°F Wind Speed: 10 to 15 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 54. |
Sunday Night |
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Temperature: 37°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: Mostly clear, with a low around 37. |