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
| 22 February 2026 Sun 2.8 ° C ( 37°F )  Overcast |
Feels Like : -0.2 ° C / 31.7°F Humidity : % 89 Pressure : 1020 mb Wind Speed : 10.8 kmph / 6.7 miles from ENE 
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 |
|---|---|---|---|---|---|---|---|
| 22 February 2026 Sun |  Heavy rain |
0 ° C | 2.3 ° C | 1.4 ° C | % 92 | 45 km/h | 69% |
| 23 February 2026 Mon |  Blizzard |
-2.9 ° C | -1.1 ° C | -1.7 ° C | % 89 | 55.8 km/h | 62% |
| 24 February 2026 Tue |  Sunny |
-7.5 ° C | 0 ° C | -3.3 ° C | % 71 | 28.8 km/h | 0% |
| 25 February 2026 Wed | Blizzard |
-7 ° C | 2.1 ° C | 0.7 ° C | % 93 | 33.1 km/h | 87% |
| 26 February 2026 Thu |  Moderate or heavy snow showers |
-1 ° C | 0.8 ° C | 0.6 ° C | % 92 | 30.6 km/h | 81% |
| 27 February 2026 Fri | Blizzard |
-3.6 ° C | 1 ° C | -0.1 ° C | % 90 | 36.4 km/h | 51% |
| 28 February 2026 Sat | Sunny |
-5.5 ° C | 1.6 ° C | -1.1 ° C | % 88 | 15.8 km/h | 0% |
| 01 March 2026 Sun |  Cloudy |
-1.5 ° C | 5 ° C | 2.9 ° C | % 88 | 30.6 km/h | 0% |
| 02 March 2026 Mon |  Partly Cloudy |
-7.1 ° C | -4.3 ° C | -5.7 ° C | % 57 | 23 km/h | 0% |
| 03 March 2026 Tue | Sunny |
-7.4 ° C | -0.5 ° C | -3.4 ° C | % 55 | 20.5 km/h | 0% |
| 04 March 2026 Wed | Partly Cloudy |
0.5 ° C | 4.7 ° C | 2.7 ° C | % 67 | 19.8 km/h | 0% |
| 05 March 2026 Thu | Cloudy |
3.8 ° C | 7.8 ° C | 5.6 ° C | % 86 | 17.3 km/h | 0% |
| 06 March 2026 Fri | Partly Cloudy |
5.6 ° C | 9.5 ° C | 7.4 ° C | % 96 | 13 km/h | 0% |
| 07 March 2026 Sat | Cloudy |
7.2 ° C | 12.1 ° C | 9.2 ° C | % 76 | 18.7 km/h | 0% |
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