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 Decatur Weather Forecast Summary |
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Today
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Thursday
Jan 22nd
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Cloudy |
Mostly Sunny |
Cloudy |
Cloudy |
Cloudy |
39°F
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43°F
30°F |
46°F
30°F |
48°F
27°F |
48°F
32°F |
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| Decatur Detailed Weather Forecast |
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| Sunday, January 18th, 2026 |
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Morning |
Temperature: 34°F |
| Cloudy with a chance of showers or wet flurries. Windy at times. |
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Afternoon |
Temperature: 37°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 31°F |
| Clear. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 30°F |
| Clear. Windy at times. |
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Morning |
Temperature: 37°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 39°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 31°F |
| Clear with cloudy periods. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 30°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 38°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 41°F |
| Sunny. |
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Evening |
Temperature: 32°F |
| Clear. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 28°F |
| Mostly clear. |
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Morning |
Temperature: 40°F |
| Cloudy. |
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Afternoon |
Temperature: 45°F |
| Cloudy. |
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Evening |
Temperature: 39°F |
| Cloudy. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 38°F |
| Cloudy. |
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Morning |
Temperature: 43°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 44°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 34°F |
| Clear. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 30°F |
| Clear. |
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Morning |
Temperature: 43°F |
| Sunny. |
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Afternoon |
Temperature: 48°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 40°F |
| Cloudy. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 40°F |
| Cloudy with a slight chance of showers. |
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Morning |
Temperature: 46°F |
| Cloudy with showers. |
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Afternoon |
Temperature: 52°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 43°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 31°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 34°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 32°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 25°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: 25°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 32°F |
| Cloudy. |
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Afternoon |
Temperature: 34°F |
| Cloudy. |
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Evening |
Temperature: 31°F |
| Cloudy. |
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