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
| 14 July 2026 Tue 21.1 ° C ( 70°F )  Mist |
Feels Like : 21.1 ° C / 70°F Humidity : % 93 Pressure : 1023 mb Wind Speed : 8.6 kmph / 5.4 miles from ENE 
Visibility : 9.7 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 July 2026 Tue |  Sunny |
18.9 ° C | 33.6 ° C | 25.9 ° C | % 73 | 10.1 km/h | 7% |
| 15 July 2026 Wed | Sunny |
21.6 ° C | 31 ° C | 26.1 ° C | % 79 | 5.4 km/h | 19% |
| 16 July 2026 Thu | Sunny |
22.1 ° C | 30.9 ° C | 26.4 ° C | % 80 | 6.8 km/h | 43% |
| 17 July 2026 Fri | Sunny |
22.4 ° C | 31.5 ° C | 26.4 ° C | % 83 | 12.6 km/h | 47% |
| 18 July 2026 Sat | Sunny |
19.9 ° C | 29 ° C | 24.5 ° C | % 87 | 25.9 km/h | 72% |
| 19 July 2026 Sun | Sunny |
16.4 ° C | 25.3 ° C | 20.6 ° C | % 82 | 13.7 km/h | 12% |
| 20 July 2026 Mon | Sunny |
16.1 ° C | 25.8 ° C | 21 ° C | % 81 | 15.5 km/h | 36% |
| 21 July 2026 Tue |  Fog |
18.8 ° C | 20.3 ° C | 19.7 ° C | % 98 | 16.6 km/h | 95% |
| 22 July 2026 Wed |  Patchy rain nearby |
20.1 ° C | 26.6 ° C | 22.9 ° C | % 89 | 11.2 km/h | 71% |
| 23 July 2026 Thu | Mist |
19.7 ° C | 27.3 ° C | 23.7 ° C | % 86 | 13 km/h | 22% |
| 24 July 2026 Fri | Sunny |
18.5 ° C | 27.8 ° C | 24.2 ° C | % 84 | 24.5 km/h | 52% |
| 25 July 2026 Sat | Sunny |
14.2 ° C | 23.8 ° C | 18.8 ° C | % 78 | 18 km/h | 9% |
| 26 July 2026 Sun | Sunny |
13.4 ° C | 25.9 ° C | 19.6 ° C | % 78 | 16.6 km/h | 10% |
| 27 July 2026 Mon |  Partly Cloudy |
19.5 ° C | 28.8 ° C | 23.7 ° C | % 89 | 24.1 km/h | 77% |
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