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
| 19 March 2026 Thu 15.1 ° C ( 59.2°F )  Sunny |
Feels Like : 15.1 ° C / 59.2°F Humidity : % 44 Pressure : 1016 mb Wind Speed : 10.1 kmph / 6.3 miles from WSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Decatur Airport, Decatur, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 March 2026 Wed | Sunny |
-3.1 ° C | 17.8 ° C | 5.6 ° C | % 64 | 26.6 km/h | 0% |
| 19 March 2026 Thu |  Partly Cloudy |
3.7 ° C | 23.6 ° C | 11.9 ° C | % 74 | 12.6 km/h | 0% |
| 20 March 2026 Fri | Partly Cloudy |
7.9 ° C | 25.5 ° C | 15.4 ° C | % 78 | 21.6 km/h | 0% |
| 21 March 2026 Sat |  Fog |
7.6 ° C | 12.8 ° C | 10.7 ° C | % 88 | 16.2 km/h | 0% |
| 22 March 2026 Sun | Sunny |
5.9 ° C | 27.3 ° C | 17.9 ° C | % 66 | 39.2 km/h | 0% |
| 23 March 2026 Mon |  Overcast |
1.9 ° C | 8.6 ° C | 3.9 ° C | % 67 | 32.8 km/h | 0% |
| 24 March 2026 Tue | Partly Cloudy |
-0.9 ° C | 10.5 ° C | 4.4 ° C | % 57 | 17.3 km/h | 0% |
| 25 March 2026 Wed | Sunny |
3.5 ° C | 16.1 ° C | 9.5 ° C | % 57 | 15.8 km/h | 0% |
| 26 March 2026 Thu |  Patchy rain nearby |
9.6 ° C | 23.3 ° C | 16.2 ° C | % 78 | 42.5 km/h | 78% |
| 27 March 2026 Fri |  Blowing snow |
-2.8 ° C | 0.3 ° C | -0 ° C | % 68 | 35.6 km/h | 87% |
| 28 March 2026 Sat | Sunny |
-3.9 ° C | 7.4 ° C | 1.3 ° C | % 50 | 20.9 km/h | 0% |
| 29 March 2026 Sun | Sunny |
-3 ° C | 4.5 ° C | 0.8 ° C | % 47 | 21.2 km/h | 0% |
| 30 March 2026 Mon | Partly Cloudy |
-3.9 ° C | 6.3 ° C | 1.1 ° C | % 46 | 27.7 km/h | 0% |
| 31 March 2026 Tue |  Moderate rain |
1.2 ° C | 7.4 ° C | 5.1 ° C | % 86 | 45 km/h | 89% |
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