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: 93°F Wind Speed: 15 mph Wind Direction: S Forecast: Sunny, with a high near 93. Heat index values as high as 107. South wind around 15 mph, with gusts as high as 30 mph. |
Tonight |
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Temperature: 78°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly clear, with a low around 78. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 30 mph. |
Tuesday |
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Temperature: 95°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Sunny, with a high near 95. Heat index values as high as 109. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
Tuesday Night |
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Temperature: 77°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Mostly clear, with a low around 77. Heat index values as high as 109. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
Wednesday |
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Temperature: 94°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Sunny, with a high near 94. |
Wednesday Night |
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Temperature: 77°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly clear, with a low around 77. |
Thursday |
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Temperature: 94°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Sunny, with a high near 94. |
Thursday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 75. |
Friday |
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Temperature: 92°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. |
Friday Night |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 40%. |
Independence Day |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. |
Saturday Night |
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Temperature: 72°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%. |
Sunday |
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Temperature: 87°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 69°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%. |