Decatur Airport (DEC) 15 Day Weather Forecast, Decatur United States
Current weather conditions and 15 day weather forecast for Decatur Airport in Decatur, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at DEC
| 11 January 2026 Sun -3.3 ° C ( 26.1°F )  Overcast |
Feels Like : -10.7 ° C / 12.8°F Humidity : % 74 Pressure : 1031 mb Wind Speed : 29.2 kmph / 18.1 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Decatur Airport, Decatur, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 11 January 2026 Sun |  Light freezing rain |
-3.6 ° C | 1.5 ° C | -1.4 ° C | % 73 | 32.4 km/h | 65% |
| 12 January 2026 Mon |  Partly Cloudy |
-2.4 ° C | 6.7 ° C | 1.2 ° C | % 68 | 22 km/h | 0% |
| 13 January 2026 Tue | Partly Cloudy |
-0.5 ° C | 10.1 ° C | 4.9 ° C | % 78 | 28.8 km/h | 0% |
| 14 January 2026 Wed |  Blowing snow |
-6.2 ° C | 4.5 ° C | 0.4 ° C | % 70 | 37.8 km/h | 76% |
| 15 January 2026 Thu | Partly Cloudy |
-8.4 ° C | -2.2 ° C | -6.4 ° C | % 53 | 37.1 km/h | 0% |
| 16 January 2026 Fri | Partly Cloudy |
-4.2 ° C | 3.3 ° C | -1.2 ° C | % 53 | 24.5 km/h | 0% |
| 17 January 2026 Sat | Overcast |
-2.6 ° C | 1.9 ° C | -0.9 ° C | % 69 | 29.5 km/h | 0% |
| 18 January 2026 Sun |  Sunny |
-3.6 ° C | 6.5 ° C | 0.5 ° C | % 59 | 31.7 km/h | 0% |
| 19 January 2026 Mon | Sunny |
-2.6 ° C | 3.7 ° C | -0.4 ° C | % 63 | 21.2 km/h | 0% |
| 20 January 2026 Tue |  Cloudy |
-6.1 ° C | -3.2 ° C | -4.9 ° C | % 54 | 23.4 km/h | 0% |
| 21 January 2026 Wed | Sunny |
-7.9 ° C | 1.3 ° C | -4.2 ° C | % 39 | 14.8 km/h | 0% |
| 22 January 2026 Thu | Light freezing rain |
-3.9 ° C | 1.3 ° C | -1.1 ° C | % 75 | 15.5 km/h | 88% |
| 23 January 2026 Fri |  Fog |
0.2 ° C | 2.9 ° C | 1.6 ° C | % 99 | 21.2 km/h | 0% |
| 24 January 2026 Sat |  Patchy rain nearby |
-2.7 ° C | 5.8 ° C | 2.8 ° C | % 77 | 29.5 km/h | 84% |
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