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
| 21 December 2025 Sun 6.1 ° C ( 43°F )  Sunny |
Feels Like : 2.7 ° C / 36.9°F Humidity : % 41 Pressure : 1021 mb Wind Speed : 17.6 kmph / 11 miles from S 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat | Sunny |
-1.2 ° C | 9.4 ° C | 2 ° C | % 62 | 23.8 km/h | 0% |
| 21 December 2025 Sun |  Partly Cloudy |
-1.1 ° C | 10.3 ° C | 2.9 ° C | % 62 | 25.2 km/h | 0% |
| 22 December 2025 Mon | Partly Cloudy |
-5.1 ° C | 2.8 ° C | -1.7 ° C | % 58 | 19.1 km/h | 0% |
| 23 December 2025 Tue |  Patchy rain nearby |
-0.4 ° C | 3.3 ° C | 2 ° C | % 66 | 20.5 km/h | 84% |
| 24 December 2025 Wed | Partly Cloudy |
2.4 ° C | 7.4 ° C | 5.3 ° C | % 83 | 17.3 km/h | 0% |
| 25 December 2025 Thu |  Overcast |
2.8 ° C | 10.9 ° C | 7.8 ° C | % 88 | 18 km/h | 0% |
| 26 December 2025 Fri | Overcast |
9.4 ° C | 18.1 ° C | 13.8 ° C | % 79 | 24.8 km/h | 0% |
| 27 December 2025 Sat | Sunny |
6.3 ° C | 13.4 ° C | 9.5 ° C | % 83 | 7.6 km/h | 0% |
| 28 December 2025 Sun | Partly Cloudy |
5.4 ° C | 8.1 ° C | 7.3 ° C | % 77 | 13.3 km/h | 0% |
| 29 December 2025 Mon |  Moderate rain |
0.5 ° C | 2.6 ° C | 2 ° C | % 92 | 14.4 km/h | 89% |
| 30 December 2025 Tue |  Heavy snow |
-3.5 ° C | 0.9 ° C | -0.8 ° C | % 91 | 21.6 km/h | 65% |
| 31 December 2025 Wed | Sunny |
-8.6 ° C | 0.2 ° C | -4.3 ° C | % 80 | 15.5 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
-5.7 ° C | 1.5 ° C | -2.4 ° C | % 85 | 7.2 km/h | 0% |
| 02 January 2026 Fri | Sunny |
-3.3 ° C | 4 ° C | 0.2 ° C | % 91 | 10.1 km/h | 0% |
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