Long Island MacArthur Airport (ISP) 15 Day Weather Forecast, Islip United States
Current weather conditions and 15 day weather forecast for Long Island MacArthur Airport in Islip, 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 ISP
| 03 April 2026 Fri 11.7 ° C ( 53.1°F )  Overcast |
Feels Like : 9.8 ° C / 49.7°F Humidity : % 86 Pressure : 1021 mb Wind Speed : 16.9 kmph / 10.5 miles from SSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Long Island MacArthur Airport, Islip, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 April 2026 Fri |  Patchy rain nearby |
4.5 ° C | 14.1 ° C | 8.4 ° C | % 93 | 21.6 km/h | 87% |
| 04 April 2026 Sat |  Mist |
5.5 ° C | 16.4 ° C | 10.7 ° C | % 84 | 30.2 km/h | 0% |
| 05 April 2026 Sun | Overcast |
5.3 ° C | 11.5 ° C | 9 ° C | % 94 | 32.8 km/h | 0% |
| 06 April 2026 Mon |  Partly Cloudy |
5.1 ° C | 11.4 ° C | 8.3 ° C | % 58 | 24.8 km/h | 0% |
| 07 April 2026 Tue |  Sunny |
0.9 ° C | 8.2 ° C | 6 ° C | % 48 | 33.8 km/h | 0% |
| 08 April 2026 Wed | Sunny |
-0.4 ° C | 4.8 ° C | 1.1 ° C | % 43 | 24.5 km/h | 0% |
| 09 April 2026 Thu | Partly Cloudy |
3.5 ° C | 9.4 ° C | 7 ° C | % 70 | 22.3 km/h | 0% |
| 10 April 2026 Fri | Partly Cloudy |
7.1 ° C | 14.7 ° C | 10.1 ° C | % 73 | 25.9 km/h | 0% |
| 11 April 2026 Sat |  Cloudy |
4.8 ° C | 6.7 ° C | 5.9 ° C | % 62 | 27 km/h | 0% |
| 12 April 2026 Sun | Cloudy |
4.9 ° C | 9.1 ° C | 7.2 ° C | % 77 | 12.2 km/h | 0% |
| 13 April 2026 Mon | Partly Cloudy |
8.1 ° C | 14.1 ° C | 11.2 ° C | % 85 | 18.7 km/h | 0% |
| 14 April 2026 Tue | Patchy rain nearby |
11.2 ° C | 18.9 ° C | 15.4 ° C | % 76 | 19.8 km/h | 84% |
| 15 April 2026 Wed | Patchy rain nearby |
15.5 ° C | 21.1 ° C | 18.1 ° C | % 76 | 20.9 km/h | 86% |
| 16 April 2026 Thu | Partly Cloudy |
11.7 ° C | 20.4 ° C | 16.9 ° C | % 73 | 33.5 km/h | 0% |
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