Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Overnight |
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Temperature: 64°F Wind Speed: 3 mph Wind Direction: ENE Forecast: Partly cloudy, with a low around 64. East northeast wind around 3 mph. |
Tuesday |
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Temperature: 83°F Wind Speed: 3 to 7 mph Wind Direction: ENE Forecast: A chance of rain showers between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. East northeast wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday Night |
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Temperature: 66°F Wind Speed: 6 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. East wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 86°F Wind Speed: 2 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 86. Southeast wind around 2 mph. |
Wednesday Night |
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Temperature: 68°F Wind Speed: 2 mph Wind Direction: SE Forecast: Mostly clear, with a low around 68. Southeast wind around 2 mph. |
Thursday |
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Temperature: 89°F Wind Speed: 2 to 6 mph Wind Direction: SSE Forecast: Sunny, with a high near 89. South southeast wind 2 to 6 mph. |
Thursday Night |
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Temperature: 70°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 70. South southeast wind around 5 mph. |
Friday |
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Temperature: 90°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: Sunny, with a high near 90. |
Friday Night |
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Temperature: 71°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 71. |
Saturday |
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Temperature: 91°F Wind Speed: 8 mph Wind Direction: S Forecast: Sunny, with a high near 91. |
Saturday Night |
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Temperature: 71°F Wind Speed: 7 mph Wind Direction: S Forecast: Mostly clear, with a low around 71. |
Sunday |
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Temperature: 88°F Wind Speed: 8 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. |
Sunday Night |
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Temperature: 71°F Wind Speed: 7 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. |
Monday |
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Temperature: 87°F Wind Speed: 7 mph Wind Direction: SW Forecast: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. |