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 August 2026 Mon 28.6 ° C ( 83.5°F )  Patchy rain nearby |
Feels Like : 35 ° C / 95°F Humidity : % 86 Pressure : 1008 mb Wind Speed : 26.3 kmph / 16.3 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0.21 mm Cloud (%) : 82 |
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 August 2026 Mon | Patchy rain nearby |
20.7 ° C | 28.6 ° C | 24.5 ° C | % 90 | 31 km/h | 88% |
| 04 August 2026 Tue |  Sunny |
19.8 ° C | 26.1 ° C | 23 ° C | % 64 | 13 km/h | 5% |
| 05 August 2026 Wed |  Partly Cloudy |
21.1 ° C | 26.5 ° C | 23.7 ° C | % 74 | 11.5 km/h | 10% |
| 06 August 2026 Thu | Sunny |
23.7 ° C | 29.1 ° C | 26.2 ° C | % 80 | 22 km/h | 41% |
| 07 August 2026 Fri | Sunny |
24.8 ° C | 31 ° C | 27.8 ° C | % 74 | 19.8 km/h | 17% |
| 08 August 2026 Sat | Patchy rain nearby |
25.8 ° C | 31 ° C | 27.9 ° C | % 69 | 19.1 km/h | 66% |
| 09 August 2026 Sun | Sunny |
24.8 ° C | 31.2 ° C | 27.7 ° C | % 72 | 22.7 km/h | 7% |
| 10 August 2026 Mon | Sunny |
27.1 ° C | 31.6 ° C | 28.6 ° C | % 66 | 20.2 km/h | 6% |
| 11 August 2026 Tue | Partly Cloudy |
23.6 ° C | 27.1 ° C | 25.2 ° C | % 66 | 14 km/h | 17% |
| 12 August 2026 Wed | Patchy rain nearby |
23.6 ° C | 28 ° C | 25.3 ° C | % 75 | 16.6 km/h | 57% |
| 13 August 2026 Thu | Patchy rain nearby |
21.2 ° C | 25.8 ° C | 23.1 ° C | % 70 | 17.3 km/h | 57% |
| 14 August 2026 Fri | Patchy rain nearby |
20.4 ° C | 24.9 ° C | 22.4 ° C | % 74 | 16.9 km/h | 61% |
| 15 August 2026 Sat | Patchy rain nearby |
19.3 ° C | 23.5 ° C | 20.9 ° C | % 76 | 20.9 km/h | 24% |
| 16 August 2026 Sun | Patchy rain nearby |
18.5 ° C | 22.4 ° C | 20.5 ° C | % 71 | 18.4 km/h | 13% |
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