Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Metric (Imperial)
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
24 21:56 N 17 16.09 Mostly Cloudy BKN190 BKN250 -10 -22.8 35% -17 77.93 1039.0
24 20:56 N 15 16.09 Partly Cloudy FEW140 SCT180 SCT250 -10 -22.8 35% -16 77.9 1038.6
24 19:56 N 19 16.09 Mostly Cloudy BKN180 BKN210 BKN250 -9.4 -22.8 33% -16 77.83 1037.8
24 18:56 N 13 16.09 Mostly Cloudy FEW170 BKN210 BKN240 -9.4 -23.3 -8.3 -9.4 32% -15 77.83 1037.8
24 17:56 N 13 16.09 Mostly Cloudy BKN230 -9.4 -23.3 32% -15 77.8 1037.3
24 16:56 N 17 16.09 Mostly Cloudy FEW210 BKN250 -9.4 -23.3 32% -16 77.8 1037.2
24 15:56 N 20 16.09 Mostly Cloudy FEW150 FEW210 BKN250 -8.9 -23.3 30% -16 77.75 1036.6
24 14:56 NW 31 G 41 16.09 Mostly Cloudy FEW060 FEW200 BKN250 -8.9 -23.3 30% -18 77.72 1036.2
24 13:56 NW 26 G 44 16.09 Mostly Cloudy FEW050 FEW200 BKN250 -9.4 -23.9 30% -18 77.7 1036.0
24 12:56 N 28 G 46 16.09 Mostly Cloudy FEW050 FEW200 BKN250 -9.4 -24.4 -8.9 -12.2 29% -18 77.7 1036.1
24 11:56 NW 31 G 48 16.09 Mostly Cloudy FEW050 BKN250 -10.6 -23.9 33% -20 77.72 1036.4
24 10:56 N 28 G 43 16.09 Mostly Cloudy FEW050 BKN250 -11.1 -23.9 34% -20 77.8 1037.3
24 09:56 NW 22 G 39 16.09 Mostly Cloudy FEW050 SCT160 BKN250 -11.1 -22.8 38% -19 77.77 1037.0
24 08:56 N 24 G 44 16.09 Mostly Cloudy FEW050 BKN250 -11.7 -22.8 40% -20 77.72 1036.2
24 07:56 NW 28 16.09 Mostly Cloudy FEW040 BKN250 -12.2 -22.8 41% -21 77.65 1035.4
24 06:56 N 22 G 44 16.09 A Few Clouds FEW040 FEW250 -12.2 -22.2 -10 -12.2 43% -20 77.6 1034.7
24 05:56 N 20 G 41 16.09 A Few Clouds FEW040 FEW250 -11.7 -22.2 42% -19 77.52 1033.7
24 04:56 NW 28 G 43 16.09 Fair CLR -11.7 -22.2 42% -21 77.47 1032.9
24 03:56 NW 26 G 43 16.09 Fair CLR -11.7 -22.8 40% -20 77.39 1032.1
24 02:56 N 33 G 44 16.09 Fair and Breezy CLR -11.1 -22.8 38% -21 77.37 1031.6
24 01:56 NW 22 G 46 16.09 Fair CLR -10.6 -23.3 35% -18 77.34 1031.1
24 00:56 NW 28 G 43 16.09 Fair CLR -10 -23.3 0.6 -10 33% -19 77.27 1030.1
23 23:56 NW 39 G 54 16.09 Partly Cloudy and Breezy SCT250 -9.4 -23.3 32% -19 77.22 1029.4
23 22:56 NW 35 G 61 16.09 A Few Clouds and Breezy FEW250 -8.3 -23.9 27% -17 77.14 1028.7
23 21:56 NW 37 G 56 16.09 Fair and Breezy CLR -6.7 -19.4 36% -15 77.01 1026.8
23 20:56 NW 37 G 57 16.09 A Few Clouds and Breezy FEW250 -5.6 -17.2 40% -14 76.94 1025.7
23 19:56 NW 39 G 61 16.09 A Few Clouds and Breezy FEW060 FEW210 FEW250 -2.8 -15.6 37% -11 76.73 1023.3
23 18:56 W 28 G 50 16.09 A Few Clouds FEW210 FEW250 0.6 -20.6 2.2 0.6 19% -5 76.56 1020.7
23 17:56 W 26 G 41 16.09 Mostly Cloudy SCT210 BKN250 1.1 -16.1 27% -4 76.45 1019.5
23 16:56 W 19 16.09 Mostly Cloudy FEW060 BKN190 BKN250 1.1 -14.4 31% -3 76.4 1018.7
23 14:56 W 24 G 44 16.09 Mostly Cloudy BKN200 BKN250 2.2 -14.4 28% -3 76.35 1018.1
23 13:56 W 26 G 56 16.09 Mostly Cloudy BKN200 BKN250 2.2 -14.4 28% -3 76.38 1018.3
23 12:56 W 39 G 54 16.09 Mostly Cloudy and Breezy SCT200 BKN250 2.2 -15 2.8 -0.6 27% -4 76.4 1018.7
23 11:56 W 31 G 59 16.09 Mostly Cloudy BKN200 BKN250 2.8 -14.4 27% -3 76.48 1019.5
23 10:56 W 28 G 41 16.09 Mostly Cloudy SCT180 BKN250 2.2 -13.9 30% -3 76.56 1020.8
23 09:56 W 31 G 41 16.09 Mostly Cloudy BKN160 BKN250 0.6 -14.4 32% -5 76.61 1021.5
23 08:56 W 19 16.09 Mostly Cloudy BKN180 BKN250 0 -14.4 33% -5 76.63 1021.6
23 07:56 W 11 16.09 Mostly Cloudy BKN200 BKN250 -0.6 -14.4 35% -4 76.61 1021.2
23 06:56 W 15 16.09 Mostly Cloudy BKN250 -0.6 -14.4 2.8 -1.1 35% -5 76.56 1020.7
23 05:56 NW 13 16.09 Partly Cloudy SCT250 -0.6 -14.4 35% -4 76.53 1020.3
23 04:56 W 17 16.09 Fair CLR 0 -15 32% -4 76.48 1019.8
23 03:56 W 15 16.09 Fair CLR 0.6 -15.6 29% -3 76.45 1019.2
23 02:56 W 17 16.09 Fair CLR 1.7 -16.7 24% -2 76.45 1019.2
23 01:56 W 22 G 37 16.09 Fair CLR 2.2 -17.2 22% -2 76.4 1018.6
23 00:56 W 19 G 35 16.09 Fair CLR 2.8 -16.7 5 2.8 22% -1 76.38 1018.3
22 23:56 W 15 16.09 Mostly Cloudy BKN220 3.3 -15 25% 0 76.38 1018.4
22 22:56 W 15 16.09 Mostly Cloudy BKN220 3.9 -11.7 31% 1 76.38 1018.2
22 21:56 W 11 16.09 Mostly Cloudy FEW200 BKN250 3.3 -5.6 52% 1 76.33 1017.7
22 20:56 W 15 16.09 Mostly Cloudy FEW200 BKN250 4.4 -7.2 43% 1 76.3 1017.3
22 19:56 SW 13 16.09 Mostly Cloudy BKN250 2.8 -3.3 65% -0 76.3 1017.2
22 18:56 SW 9 16.09 Mostly Cloudy BKN250 4.4 -2.8 8.9 4.4 60% 2 76.28 1016.9
22 17:56 SW 15 16.09 Mostly Cloudy FEW050 BKN250 5.6 -5 47% 3 76.23 1016.4
22 16:56 SW 19 16.09 Mostly Cloudy FEW060 BKN250 6.1 -6.1 42% 3 76.17 1015.6
22 15:56 W 24 G 46 16.09 Mostly Cloudy FEW060 BKN250 7.8 -7.8 33% 5 76.15 1015.1
22 14:56 W 26 G 39 16.09 Mostly Cloudy FEW060 BKN250 8.3 -6.7 34% 5 76.1 1014.7
22 13:56 W 24 G 43 16.09 Mostly Cloudy FEW055 BKN250 7.8 -6.1 37% 5 76.1 1014.6
22 12:56 W 28 G 44 16.09 Mostly Cloudy FEW050 BKN250 7.2 -6.7 8.9 3.9 37% 3 76.12 1015.1
22 09:56 W 26 G 35 16.09 Mostly Cloudy BKN250 7.2 -5 42% 4 76.25 1016.8
22 08:56 W 24 G 35 16.09 Mostly Cloudy BKN250 5.6 -6.1 43% 2 76.25 1016.5
22 07:56 W 22 16.09 Partly Cloudy FEW035 FEW075 SCT250 4.4 -6.1 47% 0 76.23 1016.4
22 06:56 W 17 16.09 Partly Cloudy SCT075 SCT250 3.9 -5 5.6 3.9 53% 0 76.2 1015.9
22 05:56 SW 19 16.09 Mostly Cloudy BKN075 4.4 -3.9 55% 1 76.15 1015.2
22 04:56 SW 17 16.09 Overcast OVC065 5 -2.8 57% 2 76.17 1015.5
22 03:56 SW 19 16.09 Overcast OVC070 5 -2.2 60% 2 76.17 1015.7
21 23:56 SW 24 G 37 16.09 Overcast FEW080 OVC120 3.9 -0.6 73% -0 76.56 1020.5
21 22:56 SW 17 G 33 16.09 Overcast BKN080 OVC110 3.9 -1.1 70% 0 76.61 1021.5
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)