Grumman Airport (BPA) 15 Day Weather Forecast, Bethpage United States
Current weather conditions and 15 day weather forecast for Grumman Airport in Bethpage, 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 BPA
| 13 December 2025 Sat -2.2 ° C ( 28°F )  Clear |
Feels Like : -6.8 ° C / 19.8°F Humidity : % 58 Pressure : 1021 mb Wind Speed : 13.3 kmph / 8.3 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Grumman Airport, Bethpage, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 12 December 2025 Fri | Sunny |
-4.9 ° C | 4.4 ° C | -1.7 ° C | % 49 | 28.8 km/h | 0% |
| 13 December 2025 Sat |  Overcast |
-4.1 ° C | 4.1 ° C | -0.1 ° C | % 78 | 22 km/h | 0% |
| 14 December 2025 Sun |  Moderate or heavy snow showers |
-4.8 ° C | 0.4 ° C | -1 ° C | % 73 | 29.9 km/h | 65% |
| 15 December 2025 Mon |  Light freezing rain |
-6.3 ° C | -0.4 ° C | -3.4 ° C | % 64 | 30.2 km/h | 60% |
| 16 December 2025 Tue |  Partly Cloudy |
-2.9 ° C | 0.4 ° C | -1.3 ° C | % 63 | 22 km/h | 0% |
| 17 December 2025 Wed | Partly Cloudy |
0 ° C | 4.4 ° C | 1.8 ° C | % 72 | 21.6 km/h | 0% |
| 18 December 2025 Thu |  Patchy rain nearby |
3.3 ° C | 8.3 ° C | 6.1 ° C | % 89 | 24.5 km/h | 89% |
| 19 December 2025 Fri | Sunny |
1 ° C | 6.7 ° C | 5.1 ° C | % 52 | 31.7 km/h | 0% |
| 20 December 2025 Sat | Patchy rain nearby |
0.4 ° C | 5.9 ° C | 3.8 ° C | % 78 | 24.8 km/h | 86% |
| 21 December 2025 Sun | Patchy rain nearby |
5.6 ° C | 6.8 ° C | 6.4 ° C | % 94 | 12.2 km/h | 87% |
| 22 December 2025 Mon | Partly Cloudy |
3.6 ° C | 6.7 ° C | 5.4 ° C | % 79 | 20.9 km/h | 0% |
| 23 December 2025 Tue | Patchy rain nearby |
4.7 ° C | 11 ° C | 8.4 ° C | % 80 | 30.2 km/h | 76% |
| 24 December 2025 Wed | Sunny |
-5.7 ° C | 1.2 ° C | -1.3 ° C | % 43 | 36.4 km/h | 0% |
| 25 December 2025 Thu | Overcast |
-5.9 ° C | -0.6 ° C | -2.7 ° C | % 34 | 25.9 km/h | 0% |
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