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
| 12 September 2026 Sat 24.9 ° C ( 76.8°F )  Overcast |
Feels Like : 22.9 ° C / 73.2°F Humidity : % 52 Pressure : 1019 mb Wind Speed : 17.6 kmph / 11 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 September 2026 Sat | Overcast |
16.1 ° C | 25.6 ° C | 21 ° C | % 69 | 18 km/h | 11% |
| 13 September 2026 Sun |  Light rain shower |
21.7 ° C | 29 ° C | 24.6 ° C | % 75 | 21.2 km/h | 79% |
| 14 September 2026 Mon |  Sunny |
19.4 ° C | 25.1 ° C | 22.1 ° C | % 48 | 21.2 km/h | 36% |
| 15 September 2026 Tue | Sunny |
16.1 ° C | 22.7 ° C | 19.4 ° C | % 51 | 16.9 km/h | 3% |
| 16 September 2026 Wed | Sunny |
18.7 ° C | 23.8 ° C | 20.8 ° C | % 56 | 12.6 km/h | 6% |
| 17 September 2026 Thu | Sunny |
19.5 ° C | 25.4 ° C | 22.2 ° C | % 59 | 16.6 km/h | 3% |
| 18 September 2026 Fri | Sunny |
20.2 ° C | 25.2 ° C | 22.9 ° C | % 75 | 19.4 km/h | 9% |
| 19 September 2026 Sat | Overcast |
22.4 ° C | 28.1 ° C | 24.7 ° C | % 79 | 24.5 km/h | 27% |
| 20 September 2026 Sun | Overcast |
15.6 ° C | 23.9 ° C | 19.1 ° C | % 70 | 27.4 km/h | 78% |
| 21 September 2026 Mon | Sunny |
14.9 ° C | 21.3 ° C | 17.9 ° C | % 49 | 19.4 km/h | 2% |
| 22 September 2026 Tue | Overcast |
15.7 ° C | 20.6 ° C | 18.2 ° C | % 58 | 18.4 km/h | 17% |
| 23 September 2026 Wed |  Patchy rain nearby |
18.5 ° C | 22.4 ° C | 20.4 ° C | % 74 | 17.6 km/h | 18% |
| 24 September 2026 Thu | Sunny |
15.8 ° C | 24.5 ° C | 20.9 ° C | % 54 | 30.2 km/h | 4% |
| 25 September 2026 Fri | Sunny |
12.4 ° C | 19.4 ° C | 16 ° C | % 42 | 20.9 km/h | 1% |
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