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
| 15 March 2026 Sun 8.9 ° C ( 48°F )  Clear |
Feels Like : 6 ° C / 42.7°F Humidity : % 61 Pressure : 1014 mb Wind Speed : 20.2 kmph / 12.5 miles from ESE 
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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat | Sunny |
1.3 ° C | 14.9 ° C | 7.3 ° C | % 60 | 24.5 km/h | 0% |
| 15 March 2026 Sun |  Moderate rain |
1 ° C | 13.8 ° C | 9.8 ° C | % 87 | 46.1 km/h | 88% |
| 16 March 2026 Mon |  Moderate or heavy snow showers |
-6.5 ° C | -2.9 ° C | -3.9 ° C | % 65 | 42.5 km/h | 67% |
| 17 March 2026 Tue |  Patchy moderate snow |
-9.1 ° C | 3.9 ° C | -3.9 ° C | % 47 | 24.1 km/h | 86% |
| 18 March 2026 Wed |  Patchy rain nearby |
-1.2 ° C | 12 ° C | 4.5 ° C | % 74 | 33.5 km/h | 68% |
| 19 March 2026 Thu |  Overcast |
0.7 ° C | 14.7 ° C | 5 ° C | % 81 | 14 km/h | 0% |
| 20 March 2026 Fri | Sunny |
8.3 ° C | 17.3 ° C | 11.9 ° C | % 73 | 16.2 km/h | 0% |
| 21 March 2026 Sat | Sunny |
8.6 ° C | 21.5 ° C | 14.4 ° C | % 66 | 11.5 km/h | 0% |
| 22 March 2026 Sun | Sunny |
12.7 ° C | 27.3 ° C | 19.4 ° C | % 64 | 27.7 km/h | 0% |
| 23 March 2026 Mon | Sunny |
10.7 ° C | 25.1 ° C | 19.2 ° C | % 65 | 27 km/h | 0% |
| 24 March 2026 Tue | Patchy rain nearby |
3.1 ° C | 6.3 ° C | 5.2 ° C | % 75 | 23.4 km/h | 84% |
| 25 March 2026 Wed | Patchy rain nearby |
-0.3 ° C | 3.9 ° C | 1.9 ° C | % 70 | 30.2 km/h | 89% |
| 26 March 2026 Thu |  Blizzard |
-4.5 ° C | 0.6 ° C | -1.7 ° C | % 88 | 33.1 km/h | 82% |
| 27 March 2026 Fri | Sunny |
-6.4 ° C | 3.5 ° C | -1.9 ° C | % 85 | 17.6 km/h | 0% |
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