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

11 August 2025 Mon
21.1 ° C
( 70°F )

Clear
Clear
Feels Like : 21.1 ° C / 70°F
Humidity : % 81
Pressure : 1022 mb
Wind Speed : 11.5 kmph / 7.2 miles from SWSW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15-day weather forecast for Long Island MacArthur Airport, Islip, United States

Date
11 August 2025 Mon
Weather forecastSunny Sunny
Low temperature19.7 ° C
High temperature32 ° C
Average Temperature24.9 ° C
Humidity% 68
Wind17.6 km/h
Chance of rain0%
12 August 2025 Tue
Weather forecastMist Mist
Low temperature19 ° C
High temperature28.7 ° C
Average Temperature22.3 ° C
Humidity% 86
Wind18.7 km/h
Chance of rain0%
13 August 2025 Wed
Weather forecastFog Fog
Low temperature21.4 ° C
High temperature26.6 ° C
Average Temperature23.5 ° C
Humidity% 92
Wind22.3 km/h
Chance of rain0%
14 August 2025 Thu
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature22.3 ° C
High temperature30.5 ° C
Average Temperature26.4 ° C
Humidity% 68
Wind13.3 km/h
Chance of rain0%
15 August 2025 Fri
Weather forecastSunny Sunny
Low temperature21.7 ° C
High temperature27.6 ° C
Average Temperature24.3 ° C
Humidity% 53
Wind15.8 km/h
Chance of rain0%
16 August 2025 Sat
Weather forecastSunny Sunny
Low temperature20.7 ° C
High temperature25.6 ° C
Average Temperature23.2 ° C
Humidity% 70
Wind14.8 km/h
Chance of rain0%
17 August 2025 Sun
Weather forecastSunny Sunny
Low temperature21.8 ° C
High temperature27.7 ° C
Average Temperature24.6 ° C
Humidity% 68
Wind19.1 km/h
Chance of rain0%
18 August 2025 Mon
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature20 ° C
High temperature29.3 ° C
Average Temperature24.6 ° C
Humidity% 70
Wind22 km/h
Chance of rain84%
19 August 2025 Tue
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature18.4 ° C
High temperature22.9 ° C
Average Temperature20.2 ° C
Humidity% 63
Wind22 km/h
Chance of rain0%
20 August 2025 Wed
Weather forecastSunny Sunny
Low temperature16.6 ° C
High temperature22.3 ° C
Average Temperature19.7 ° C
Humidity% 54
Wind15.5 km/h
Chance of rain0%
21 August 2025 Thu
Weather forecastSunny Sunny
Low temperature19.6 ° C
High temperature23.5 ° C
Average Temperature21.6 ° C
Humidity% 66
Wind17.6 km/h
Chance of rain0%
22 August 2025 Fri
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature19.7 ° C
High temperature24.9 ° C
Average Temperature21.5 ° C
Humidity% 77
Wind12.6 km/h
Chance of rain87%
23 August 2025 Sat
Weather forecastSunny Sunny
Low temperature17.9 ° C
High temperature25.1 ° C
Average Temperature21.4 ° C
Humidity% 48
Wind15.5 km/h
Chance of rain0%
24 August 2025 Sun
Weather forecastModerate rain Moderate rain
Low temperature19.8 ° C
High temperature24.6 ° C
Average Temperature22 ° C
Humidity% 62
Wind16.6 km/h
Chance of rain89%
Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
11 August 2025 Mon Sunny Sunny 19.7 ° C 32 ° C 24.9 ° C % 68 17.6 km/h 0%
12 August 2025 Tue Mist Mist 19 ° C 28.7 ° C 22.3 ° C % 86 18.7 km/h 0%
13 August 2025 Wed Fog Fog 21.4 ° C 26.6 ° C 23.5 ° C % 92 22.3 km/h 0%
14 August 2025 Thu Partly Cloudy  Partly Cloudy 22.3 ° C 30.5 ° C 26.4 ° C % 68 13.3 km/h 0%
15 August 2025 Fri Sunny Sunny 21.7 ° C 27.6 ° C 24.3 ° C % 53 15.8 km/h 0%
16 August 2025 Sat Sunny Sunny 20.7 ° C 25.6 ° C 23.2 ° C % 70 14.8 km/h 0%
17 August 2025 Sun Sunny Sunny 21.8 ° C 27.7 ° C 24.6 ° C % 68 19.1 km/h 0%
18 August 2025 Mon Patchy rain nearby Patchy rain nearby 20 ° C 29.3 ° C 24.6 ° C % 70 22 km/h 84%
19 August 2025 Tue Partly Cloudy  Partly Cloudy 18.4 ° C 22.9 ° C 20.2 ° C % 63 22 km/h 0%
20 August 2025 Wed Sunny Sunny 16.6 ° C 22.3 ° C 19.7 ° C % 54 15.5 km/h 0%
21 August 2025 Thu Sunny Sunny 19.6 ° C 23.5 ° C 21.6 ° C % 66 17.6 km/h 0%
22 August 2025 Fri Patchy rain nearby Patchy rain nearby 19.7 ° C 24.9 ° C 21.5 ° C % 77 12.6 km/h 87%
23 August 2025 Sat Sunny Sunny 17.9 ° C 25.1 ° C 21.4 ° C % 48 15.5 km/h 0%
24 August 2025 Sun Moderate rain Moderate rain 19.8 ° C 24.6 ° C 22 ° C % 62 16.6 km/h 89%
Weather forecasts are usually fully updated every 3 hours.

Add a link to your web page; copy and paste this html to your web page

Long Island MacArthur Airport hotel prices and location on the map