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
| 31 January 2026 Sat -8.9 ° C ( 16°F )  Overcast |
Feels Like : -16.7 ° C / 1.9°F Humidity : % 73 Pressure : 1030 mb Wind Speed : 21.2 kmph / 13.2 miles from NNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15-day weather forecast for Decatur Airport, Decatur, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat |  Sunny |
-16 ° C | -5.2 ° C | -11.2 ° C | % 72 | 21.6 km/h | 0% |
| 01 February 2026 Sun | Overcast |
-16 ° C | -3.5 ° C | -9.2 ° C | % 85 | 18 km/h | 0% |
| 02 February 2026 Mon |  Partly Cloudy |
-9.1 ° C | -1.9 ° C | -5.8 ° C | % 85 | 14.8 km/h | 0% |
| 03 February 2026 Tue |  Mist |
-10.9 ° C | -1.9 ° C | -7.3 ° C | % 88 | 17.3 km/h | 0% |
| 04 February 2026 Wed | Sunny |
-12.3 ° C | -4.6 ° C | -9.1 ° C | % 86 | 13.3 km/h | 0% |
| 05 February 2026 Thu | Overcast |
-11.1 ° C | 0.1 ° C | -5.5 ° C | % 83 | 14.8 km/h | 0% |
| 06 February 2026 Fri | Partly Cloudy |
-3.8 ° C | 4.5 ° C | -0.6 ° C | % 89 | 16.9 km/h | 0% |
| 07 February 2026 Sat | Partly Cloudy |
-7.2 ° C | -3.7 ° C | -4.5 ° C | % 72 | 21.2 km/h | 0% |
| 08 February 2026 Sun | Sunny |
-10.3 ° C | -3.8 ° C | -7.2 ° C | % 61 | 16.2 km/h | 0% |
| 09 February 2026 Mon |  Light snow |
-7.2 ° C | -3.9 ° C | -5.7 ° C | % 75 | 13.7 km/h | 79% |
| 10 February 2026 Tue | Partly Cloudy |
-7.8 ° C | -2.6 ° C | -5.5 ° C | % 65 | 12.6 km/h | 0% |
| 11 February 2026 Wed |  Light freezing rain |
-6.5 ° C | -1.5 ° C | -4.3 ° C | % 63 | 8.3 km/h | 88% |
| 12 February 2026 Thu | Light snow |
-16.7 ° C | -7.2 ° C | -9.5 ° C | % 71 | 31.7 km/h | 87% |
| 13 February 2026 Fri | Sunny |
-21.3 ° C | -14.6 ° C | -17.8 ° C | % 56 | 24.8 km/h | 0% |
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