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
| 29 April 2026 Wed 9.4 ° C ( 48.9°F )  Overcast |
Feels Like : 8.5 ° C / 47.3°F Humidity : % 77 Pressure : 1020 mb Wind Speed : 7.2 kmph / 4.5 miles from E 
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 |
|---|---|---|---|---|---|---|---|
| 29 April 2026 Wed |  Patchy rain nearby |
4.4 ° C | 16.7 ° C | 9.7 ° C | % 74 | 14.4 km/h | 89% |
| 30 April 2026 Thu |  Moderate rain |
8.7 ° C | 12.4 ° C | 10.3 ° C | % 84 | 20.9 km/h | 88% |
| 01 May 2026 Fri |  Sunny |
6.9 ° C | 14.3 ° C | 10.6 ° C | % 49 | 23.4 km/h | 0% |
| 02 May 2026 Sat |  Partly Cloudy |
7.5 ° C | 11.7 ° C | 10.1 ° C | % 53 | 10.1 km/h | 0% |
| 03 May 2026 Sun | Partly Cloudy |
7 ° C | 13.4 ° C | 9.7 ° C | % 51 | 22.3 km/h | 0% |
| 04 May 2026 Mon | Patchy rain nearby |
10 ° C | 14.4 ° C | 12.4 ° C | % 61 | 23.4 km/h | 62% |
| 05 May 2026 Tue | Patchy rain nearby |
10.7 ° C | 17.2 ° C | 14 ° C | % 65 | 19.8 km/h | 69% |
| 06 May 2026 Wed | Partly Cloudy |
13 ° C | 17.7 ° C | 15 ° C | % 75 | 23.4 km/h | 0% |
| 07 May 2026 Thu | Patchy rain nearby |
13.1 ° C | 18.5 ° C | 15.8 ° C | % 83 | 32.4 km/h | 89% |
| 08 May 2026 Fri | Patchy rain nearby |
11.6 ° C | 14.7 ° C | 13.2 ° C | % 81 | 14.4 km/h | 78% |
| 09 May 2026 Sat | Moderate rain |
12.2 ° C | 15.5 ° C | 14.1 ° C | % 95 | 42.1 km/h | 89% |
| 10 May 2026 Sun | Sunny |
10.6 ° C | 15 ° C | 13 ° C | % 57 | 30.6 km/h | 0% |
| 11 May 2026 Mon | Patchy rain nearby |
9.3 ° C | 14.6 ° C | 11.6 ° C | % 59 | 24.8 km/h | 71% |
| 12 May 2026 Tue | Sunny |
8.1 ° C | 15.7 ° C | 11.8 ° C | % 54 | 12.6 km/h | 0% |
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