Want to see the weather for Decatur Illinois 10 days in advance? WeatherYou™ is now offering extended
10-day weather forecast report for Decatur Illinois and virtually any other city around the globe.
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Extended 10-Day Forecast Report
Tuesday Aug 30
Partly cloudy skies early will give way to cloudy skies late. A stray shower or thunderstorm is possible. Low 67F. Winds light and variable.
Wednesday Aug 31
More clouds than sun. A stray shower or thunderstorm is possible. High 83F. Winds NNW at 10 to 15 mph.
Thursday Sep 1
Partly cloudy skies. Low 59F. Winds NNE at 5 to 10 mph.
Friday Sep 2
Generally sunny despite a few afternoon clouds. High 77F. Winds NNE at 10 to 20 mph.
Saturday Sep 3
A mostly clear sky. Low around 55F. Winds NNE at 5 to 10 mph.
Sunday Sep 4
Sunny skies. High 77F. Winds NE at 10 to 15 mph.
Monday Sep 5
Clear. Low around 55F. Winds ENE at 5 to 10 mph.
Tuesday Sep 6
Except for a few afternoon clouds, mainly sunny. High around 80F. Winds ESE at 5 to 10 mph.
Wednesday Sep 7
A few clouds. Low 58F. Winds light and variable.
Thursday Sep 8
Except for a few afternoon clouds, mainly sunny. High around 85F. Winds SSE at 10 to 15 mph.
Note that 7-day forecast is normally much more accurate than extended forecast for days 8,9 and 10. Since weather forecasting is based on complex calculations the accuracy of such forecast cannot be assured and you should check back closer to such dates. We make our best effort to provide accurate information in our Decatur Illinois weather report but do not guarantee accuracy of information.