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
| 20 December 2025 Sat 2.8 ° C ( 37°F )  Partly cloudy |
Feels Like : -3.8 ° C / 25.1°F Humidity : % 54 Pressure : 1004 mb Wind Speed : 42.5 kmph / 26.4 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15-day weather forecast for Grumman Airport, Bethpage, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri |  Moderate rain |
0.1 ° C | 13.8 ° C | 9.5 ° C | % 85 | 50.8 km/h | 86% |
| 20 December 2025 Sat | Partly Cloudy |
-3.6 ° C | 3.2 ° C | 0.5 ° C | % 74 | 34.2 km/h | 0% |
| 21 December 2025 Sun |  Cloudy |
-2.5 ° C | 4.8 ° C | 2.4 ° C | % 75 | 31 km/h | 0% |
| 22 December 2025 Mon |  Sunny |
-4.4 ° C | 1.9 ° C | -1.6 ° C | % 66 | 30.6 km/h | 0% |
| 23 December 2025 Tue | Moderate rain |
2 ° C | 4 ° C | 3.3 ° C | % 80 | 28.4 km/h | 82% |
| 24 December 2025 Wed | Partly Cloudy |
2.9 ° C | 5.9 ° C | 4.7 ° C | % 67 | 25.9 km/h | 0% |
| 25 December 2025 Thu |  Overcast |
2.1 ° C | 5.8 ° C | 3.9 ° C | % 75 | 18.4 km/h | 0% |
| 26 December 2025 Fri | Moderate rain |
4.5 ° C | 10.3 ° C | 8.1 ° C | % 93 | 30.6 km/h | 84% |
| 27 December 2025 Sat | Sunny |
1.1 ° C | 7.1 ° C | 5.9 ° C | % 61 | 27.4 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-0.5 ° C | 3 ° C | 1 ° C | % 44 | 14.8 km/h | 0% |
| 29 December 2025 Mon |  Patchy rain nearby |
-0.2 ° C | 4 ° C | 1.9 ° C | % 40 | 10.8 km/h | 69% |
| 30 December 2025 Tue | Patchy rain nearby |
0.7 ° C | 2.3 ° C | 2 ° C | % 90 | 16.2 km/h | 87% |
| 31 December 2025 Wed | Patchy rain nearby |
2.6 ° C | 3.9 ° C | 3.4 ° C | % 95 | 19.4 km/h | 88% |
| 01 January 2026 Thu | Patchy rain nearby |
3.1 ° C | 7.6 ° C | 4.7 ° C | % 80 | 26.6 km/h | 79% |
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