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
| 24 April 2026 Fri 10.1 ° C ( 50.2°F )  Overcast |
Feels Like : 8.9 ° C / 47.9°F Humidity : % 66 Pressure : 1010 mb Wind Speed : 9.4 kmph / 5.8 miles from ESE 
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 |
|---|---|---|---|---|---|---|---|
| 24 April 2026 Fri |  Sunny |
8.3 ° C | 14.6 ° C | 11.3 ° C | % 54 | 15.8 km/h | 0% |
| 25 April 2026 Sat |  Heavy rain |
4.3 ° C | 7.7 ° C | 6.3 ° C | % 79 | 22 km/h | 88% |
| 26 April 2026 Sun |  Patchy rain nearby |
4.9 ° C | 11.4 ° C | 8 ° C | % 70 | 20.5 km/h | 86% |
| 27 April 2026 Mon | Sunny |
6.5 ° C | 12.7 ° C | 9.6 ° C | % 66 | 16.2 km/h | 0% |
| 28 April 2026 Tue | Sunny |
7.1 ° C | 11.8 ° C | 9.3 ° C | % 67 | 19.1 km/h | 0% |
| 29 April 2026 Wed |  Moderate rain |
9.1 ° C | 9.7 ° C | 9.6 ° C | % 88 | 23.4 km/h | 86% |
| 30 April 2026 Thu | Moderate rain |
9.4 ° C | 15.6 ° C | 12.2 ° C | % 82 | 22.3 km/h | 86% |
| 01 May 2026 Fri | Patchy rain nearby |
9.4 ° C | 13.9 ° C | 11.4 ° C | % 85 | 23.8 km/h | 83% |
| 02 May 2026 Sat | Sunny |
8.1 ° C | 14.6 ° C | 11.5 ° C | % 58 | 22.3 km/h | 0% |
| 03 May 2026 Sun | Sunny |
9.1 ° C | 16.9 ° C | 12.9 ° C | % 54 | 19.4 km/h | 0% |
| 04 May 2026 Mon |  Partly Cloudy |
11.6 ° C | 14.9 ° C | 12.8 ° C | % 66 | 18 km/h | 0% |
| 05 May 2026 Tue | Patchy rain nearby |
11.2 ° C | 14.6 ° C | 12.3 ° C | % 84 | 13 km/h | 88% |
| 06 May 2026 Wed | Moderate rain |
11.5 ° C | 15.4 ° C | 13 ° C | % 82 | 32 km/h | 84% |
| 07 May 2026 Thu | Sunny |
7 ° C | 14.7 ° C | 10.8 ° C | % 55 | 23 km/h | 0% |
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