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 September 2026 Sun 22 ° C ( 71.7°F )  Overcast |
Feels Like : 24.4 ° C / 75.9°F Humidity : % 88 Pressure : 1013 mb Wind Speed : 6.8 kmph / 4.3 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 96 |
15-day weather forecast for Grumman Airport, Bethpage, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Moderate or heavy rain shower |
20.9 ° C | 26.8 ° C | 23.3 ° C | % 81 | 15.8 km/h | 84% |
| 14 September 2026 Mon |  Sunny |
19.1 ° C | 24.5 ° C | 22.2 ° C | % 51 | 23.8 km/h | 17% |
| 15 September 2026 Tue | Sunny |
16.1 ° C | 22.2 ° C | 19 ° C | % 49 | 14.4 km/h | 4% |
| 16 September 2026 Wed | Sunny |
18.3 ° C | 24.9 ° C | 21.2 ° C | % 59 | 15.5 km/h | 5% |
| 17 September 2026 Thu | Sunny |
20.6 ° C | 26.8 ° C | 23.2 ° C | % 65 | 19.4 km/h | 39% |
| 18 September 2026 Fri | Sunny |
18.5 ° C | 24.4 ° C | 21.1 ° C | % 62 | 20.9 km/h | 7% |
| 19 September 2026 Sat | Overcast |
18.3 ° C | 21.7 ° C | 20 ° C | % 54 | 16.6 km/h | 8% |
| 20 September 2026 Sun | Overcast |
19.4 ° C | 23.8 ° C | 21.2 ° C | % 65 | 19.4 km/h | 77% |
| 21 September 2026 Mon | Overcast |
15.8 ° C | 21.4 ° C | 18.8 ° C | % 55 | 25.2 km/h | 70% |
| 22 September 2026 Tue | Overcast |
13.4 ° C | 15.3 ° C | 14.2 ° C | % 58 | 24.5 km/h | 76% |
| 23 September 2026 Wed |  Light rain shower |
13.5 ° C | 18.4 ° C | 16 ° C | % 93 | 32.4 km/h | 93% |
| 24 September 2026 Thu | Light rain shower |
14.4 ° C | 16.5 ° C | 15.4 ° C | % 92 | 21.6 km/h | 92% |
| 25 September 2026 Fri |  Patchy rain nearby |
16.2 ° C | 19 ° C | 17.4 ° C | % 78 | 19.4 km/h | 52% |
| 26 September 2026 Sat |  Partly Cloudy |
16.8 ° C | 22.5 ° C | 18.9 ° C | % 60 | 22.3 km/h | 7% |
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