Montgomery County Airport (GAI) 15 Day Weather Forecast, Gaithersburg United States
Current weather conditions and 15 day weather forecast for Montgomery County Airport in Gaithersburg, 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 GAI
| 13 September 2026 Sun 27.6 ° C ( 81.8°F )  Light rain shower |
Feels Like : 29.1 ° C / 84.4°F Humidity : % 62 Pressure : 1013 mb Wind Speed : 11.2 kmph / 6.9 miles from WNW 
Visibility : 10 km Precipitation (rainfall) : 0.62 mm Cloud (%) : 80 |
15-day weather forecast for Montgomery County Airport, Gaithersburg, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Light rain shower |
21.1 ° C | 29 ° C | 24.5 ° C | % 79 | 11.2 km/h | 82% |
| 14 September 2026 Mon |  Sunny |
14.8 ° C | 23.8 ° C | 20.4 ° C | % 59 | 22.3 km/h | 3% |
| 15 September 2026 Tue | Sunny |
10.2 ° C | 24.4 ° C | 17.2 ° C | % 53 | 12.2 km/h | 4% |
| 16 September 2026 Wed | Sunny |
14.5 ° C | 27.7 ° C | 20.7 ° C | % 66 | 13 km/h | 5% |
| 17 September 2026 Thu | Sunny |
17.5 ° C | 30.9 ° C | 22.9 ° C | % 69 | 19.8 km/h | 63% |
| 18 September 2026 Fri | Sunny |
15.6 ° C | 25.4 ° C | 20.1 ° C | % 73 | 16.6 km/h | 36% |
| 19 September 2026 Sat |  Cloudy |
16.2 ° C | 24.7 ° C | 19.8 ° C | % 71 | 17.3 km/h | 15% |
| 20 September 2026 Sun |  Overcast |
16.2 ° C | 29.7 ° C | 22 ° C | % 74 | 15.1 km/h | 42% |
| 21 September 2026 Mon |  Patchy rain nearby |
11.2 ° C | 21.6 ° C | 14.8 ° C | % 82 | 23.4 km/h | 41% |
| 22 September 2026 Tue |  Moderate or heavy rain shower |
10.5 ° C | 15.3 ° C | 13 ° C | % 84 | 27.4 km/h | 89% |
| 23 September 2026 Wed | Patchy rain nearby |
14.2 ° C | 19.7 ° C | 16.8 ° C | % 93 | 22.7 km/h | 93% |
| 24 September 2026 Thu | Overcast |
13.7 ° C | 17.9 ° C | 15.4 ° C | % 89 | 16.9 km/h | 68% |
| 25 September 2026 Fri | Overcast |
14.3 ° C | 16.5 ° C | 15.5 ° C | % 87 | 16.9 km/h | 43% |
| 26 September 2026 Sat | Light rain shower |
14.6 ° C | 16.5 ° C | 15.4 ° C | % 92 | 19.4 km/h | 91% |
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