Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
This Afternoon |
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Temperature: 87°F Wind Speed: 10 mph Wind Direction: W Forecast: Sunny, with a high near 87. West wind around 10 mph, with gusts as high as 18 mph. |
Tonight |
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Temperature: 68°F Wind Speed: 6 to 9 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly clear, with a low around 68. West southwest wind 6 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 82°F Wind Speed: 7 to 15 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 82. West wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Saturday Night |
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Temperature: 66°F Wind Speed: 6 to 13 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 66. West northwest wind 6 to 13 mph, with gusts as high as 21 mph. |
Sunday |
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Temperature: 80°F Wind Speed: 8 to 13 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 80. Northwest wind 8 to 13 mph, with gusts as high as 21 mph. |
Sunday Night |
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Temperature: 61°F Wind Speed: 5 to 12 mph Wind Direction: NNW Forecast: Mostly clear, with a low around 61. North northwest wind 5 to 12 mph, with gusts as high as 18 mph. |
Monday |
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Temperature: 79°F Wind Speed: 6 to 12 mph Wind Direction: N Forecast: Sunny, with a high near 79. North wind 6 to 12 mph, with gusts as high as 18 mph. |
Monday Night |
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Temperature: 57°F Wind Speed: 5 to 10 mph Wind Direction: NNE Forecast: Clear, with a low around 57. |
Tuesday |
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Temperature: 77°F Wind Speed: 7 mph Wind Direction: NNE Forecast: Sunny, with a high near 77. |
Tuesday Night |
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Temperature: 56°F Wind Speed: 6 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 56. |
Wednesday |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: E Forecast: Sunny, with a high near 78. |
Wednesday Night |
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Temperature: 57°F Wind Speed: 5 mph Wind Direction: E Forecast: Mostly clear, with a low around 57. |
Thursday |
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Temperature: 79°F Wind Speed: 7 mph Wind Direction: ESE Forecast: Sunny, with a high near 79. |
Thursday Night |
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Temperature: 59°F Wind Speed: 6 mph Wind Direction: ESE Forecast: Mostly clear, with a low around 59. |