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.
03 17:56 NE 7 4.83 Light Rain Fog/Mist BKN005 OVC012 1.1 0.6 97% -1 76.96 1025.9 0.15
03 16:56 NE 9 4.02 Light Rain Fog/Mist BKN005 OVC013 0.6 0 96% -2 77.04 1027.2 0.2
03 15:56 NE 9 2.41 Rain Fog/Mist BKN006 OVC012 1.7 1.1 96% -1 77.11 1028.2 0.15 0.28
03 14:56 E 7 4.83 Light Rain Fog/Mist BKN013 OVC022 1.7 0.6 93% -0 77.22 1029.3 0.1
03 13:56 NE 7 3.22 Light Rain Fog/Mist BKN013 OVC023 1.7 0.6 93% -0 77.32 1030.8 0.03
03 12:56 E 13 16.09 Light Rain BKN017 OVC023 2.2 -1.1 2.2 -1.7 79% -1 77.37 1031.5 0.03 0.08
03 11:56 E 19 16.09 Overcast BKN031 OVC045 2.2 -1.7 76% -2 77.5 1033.3
03 10:56 SE 17 16.09 Overcast BKN038 OVC045 1.7 -3.3 70% -2 77.57 1034.2 0.05
03 09:56 SE 17 16.09 Overcast BKN039 OVC055 1.7 -3.9 67% -2 77.62 1035.1
03 08:56 E 13 16.09 Overcast BKN041 OVC055 1.1 -5.6 61% -2 77.67 1035.7
03 07:56 E 7 16.09 Overcast BKN045 OVC055 -0.6 -5.6 69% -3 77.7 1036.0
03 06:56 E 7 16.09 Overcast BKN045 OVC055 -1.7 -6.1 -1.7 -7.2 72% -4 77.67 1035.6
03 05:56 E 7 16.09 Mostly Cloudy BKN055 BKN090 -1.7 -6.1 72% -4 77.7 1035.8
03 04:56 E 7 16.09 Overcast OVC050 -2.2 -6.7 72% -5 77.7 1036.1
03 03:56 E 6 16.09 Overcast OVC050 -2.8 -7.2 72% 77.72 1036.2
03 02:56 Calm 16.09 Overcast OVC055 -4.4 -7.8 77% 77.75 1036.5
03 01:56 Calm 16.09 Overcast OVC065 -5.6 -9.4 75% 77.77 1037.2
03 00:56 Calm 16.09 Fair CLR -7.2 -11.1 -3.3 -7.8 74% 77.83 1037.7
02 23:56 Calm 16.09 A Few Clouds FEW075 -7.2 -11.1 74% 77.85 1037.9
02 22:56 Calm 16.09 A Few Clouds FEW250 -6.7 -11.1 71% 77.85 1037.9
02 21:56 Calm 16.09 A Few Clouds FEW250 -7.2 -11.7 71% 77.85 1038.2
02 20:56 Calm 16.09 A Few Clouds FEW250 -5.6 -12.2 60% 77.85 1038.1
02 19:56 S 7 16.09 A Few Clouds FEW250 -3.3 -12.2 51% -6 77.85 1038.0
02 18:56 S 7 16.09 A Few Clouds FEW250 -3.3 -13.3 -1.1 -3.3 46% -6 77.85 1038.2
02 17:56 S 11 16.09 A Few Clouds FEW110 FEW250 -2.8 -12.8 46% -7 77.83 1037.8
02 16:56 S 11 16.09 A Few Clouds FEW110 FEW250 -2.2 -13.9 41% -6 77.8 1037.2
02 15:56 Calm 16.09 Partly Cloudy FEW110 SCT230 -1.7 -15.6 34% 77.77 1037.2
02 14:56 N 7 16.09 Mostly Cloudy BKN230 -1.1 -16.1 31% -3 77.77 1037.1
02 13:56 Calm 16.09 Mostly Cloudy BKN230 -1.1 -18.3 26% 77.77 1037.0
02 12:56 Calm 16.09 Mostly Cloudy BKN230 -2.2 -19.4 -1.7 -6.7 26% 77.8 1037.5
02 11:56 Calm 16.09 Mostly Cloudy BKN250 -2.8 -20.6 24% 77.9 1038.6
02 10:56 Calm 16.09 Mostly Cloudy BKN250 -3.3 -19.4 28% 77.93 1039.1
02 09:56 NE 13 16.09 Mostly Cloudy BKN250 -3.9 -18.3 32% -8 77.9 1038.5
02 08:56 NE 17 16.09 Mostly Cloudy BKN250 -4.4 -18.9 32% -10 77.88 1038.5
02 07:56 NE 19 16.09 Mostly Cloudy BKN250 -5.6 -17.2 40% -12 77.88 1038.3
02 06:56 N 11 16.09 Mostly Cloudy BKN250 -6.1 -15.6 -3.3 -6.7 47% -10 77.77 1037.0
02 05:56 N 11 16.09 A Few Clouds FEW250 -6.7 -16.1 48% -11 77.75 1036.5
02 04:56 N 15 16.09 Fair CLR -6.1 -16.7 43% -11 77.67 1035.6
02 03:56 N 17 16.09 Fair CLR -5.6 -16.1 44% -11 77.6 1034.5
02 02:56 N 19 16.09 Fair CLR -5 -15.6 44% -11 77.55 1033.8
02 01:56 N 24 16.09 Fair CLR -4.4 -15.6 42% -11 77.5 1033.3
02 00:56 N 20 16.09 Fair CLR -3.3 -15.6 1.1 -3.3 38% -9 77.47 1032.8
01 23:56 N 19 16.09 Fair CLR -2.8 -13.9 43% -8 77.42 1032.1
01 22:56 N 13 16.09 Fair CLR -2.2 -14.4 39% -6 77.34 1031.1
01 21:56 N 13 16.09 Fair CLR -1.1 -14.4 36% -5 77.29 1030.5
01 20:56 N 11 16.09 Fair CLR -1.1 -12.2 43% -5 77.22 1029.6
01 19:56 N 11 16.09 Fair CLR 0 -11.7 41% -3 77.14 1028.4
01 18:56 N 7 16.09 Fair CLR 1.1 -11.7 3.9 1.1 38% -1 77.04 1027.0
01 17:56 N 9 16.09 A Few Clouds FEW095 1.7 -12.2 35% -1 76.94 1025.8
01 16:56 N 22 16.09 A Few Clouds FEW095 3.3 -12.8 30% -1 76.89 1024.9
01 15:56 N 22 16.09 A Few Clouds FEW075 FEW095 FEW220 3.3 -11.7 33% -1 76.81 1023.9
01 14:56 N 17 16.09 Mostly Cloudy FEW075 BKN095 BKN200 3.3 -8.9 41% -0 76.71 1022.8
01 13:56 NW 20 G 30 16.09 Mostly Cloudy BKN065 BKN090 BKN250 2.8 -7.2 48% -1 76.68 1022.3
01 12:56 N 20 16.09 Mostly Cloudy FEW020 BKN055 1.1 -6.7 2.2 0 56% -3 76.68 1022.2 0.03
01 11:56 N 20 16.09 Overcast FEW015 OVC047 0 -4.4 73% -5 76.68 1022.2
01 09:56 N 24 G 39 4.02 Light Snow BKN038 OVC070 0 -3.3 79% -5 76.61 1021.2
01 08:56 N 26 G 43 16.09 Light Rain Snow BKN065 BKN250 2.2 -8.3 46% -3 76.53 1020.3
01 06:56 N 22 16.09 Mostly Cloudy BKN250 1.1 -7.8 2.2 -0.6 52% -4 76.33 1017.7
01 04:56 N 15 16.09 Fair CLR 0.6 -0.6 92% -3 76.25 1016.4
01 03:56 N 19 8.05 Fog/Mist SCT002 1.7 1.1 96% -2 76.23 1016.2
01 02:56 N 9 0.40 Fog VV001 1.7 1.7 100% -1 76.2 1016.0
01 00:56 Calm 0.40 Freezing Fog VV001 -0.6 -0.6 3.3 -0.6 100% 76.2 1015.9
28 23:56 Calm 2.41 Fog/Mist BKN002 0.6 0.6 100% 76.25 1016.5
28 22:56 Calm 6.44 Fog/Mist FEW002 FEW250 0.6 0 96% 76.28 1016.9
28 21:56 Calm 14.48 A Few Clouds FEW250 1.1 1.1 100% 76.28 1017.1
28 20:56 Calm 16.09 A Few Clouds FEW250 1.1 0 92% 76.3 1017.2
28 19:56 Calm 16.09 Partly Cloudy SCT250 2.8 1.1 89% 76.3 1017.3
28 18:56 Calm 16.09 A Few Clouds FEW250 3.9 1.7 8.9 3.3 86% 76.3 1017.2
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)