Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Overnight |
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Temperature: 56°F Wind Speed: 5 mph Wind Direction: ESE Forecast: A slight chance of rain. Cloudy, with a low around 56. East southeast wind around 5 mph. Chance of precipitation is 20%. |
Sunday |
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Temperature: 64°F Wind Speed: 6 to 10 mph Wind Direction: SE Forecast: A chance of rain. Mostly cloudy, with a high near 64. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Sunday Night |
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Temperature: 54°F Wind Speed: 10 mph Wind Direction: SE Forecast: Patchy fog between midnight and 2am, then patchy fog and a slight chance of rain. Cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
Monday |
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Temperature: 68°F Wind Speed: 10 to 16 mph Wind Direction: SSE Forecast: A chance of rain and patchy fog before noon. Cloudy, with a high near 68. South southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Monday Night |
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Temperature: 59°F Wind Speed: 16 to 21 mph Wind Direction: SSE Forecast: Cloudy, with a low around 59. South southeast wind 16 to 21 mph, with gusts as high as 30 mph. |
Tuesday |
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Temperature: 73°F Wind Speed: 22 to 25 mph Wind Direction: S Forecast: Rain. Cloudy, with a high near 73. South wind 22 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tuesday Night |
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Temperature: 56°F Wind Speed: 13 to 18 mph Wind Direction: S Forecast: Rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 56. South wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday |
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Temperature: 67°F Wind Speed: 9 to 13 mph Wind Direction: SW Forecast: Rain likely. Partly sunny, with a high near 67. Chance of precipitation is 60%. |
Wednesday Night |
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Temperature: 48°F Wind Speed: 5 to 8 mph Wind Direction: W Forecast: A slight chance of rain before midnight. Mostly cloudy, with a low around 48. |
Thursday |
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Temperature: 66°F Wind Speed: 5 to 8 mph Wind Direction: WNW Forecast: A slight chance of rain. Partly sunny, with a high near 66. |
Thursday Night |
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Temperature: 47°F Wind Speed: 6 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 47. |
Friday |
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Temperature: 63°F Wind Speed: 5 to 8 mph Wind Direction: NW Forecast: Mostly cloudy, with a high near 63. |
Friday Night |
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Temperature: 43°F Wind Speed: 2 to 6 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 43. |
Saturday |
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Temperature: 64°F Wind Speed: 2 to 6 mph Wind Direction: NW Forecast: Partly sunny, with a high near 64. |