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.
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
28 17:56 Calm 16.09 Partly Cloudy SCT250 6.1 2.8 80% 76.28 1017.0
28 16:56 Calm 16.09 Partly Cloudy SCT250 6.7 2.8 76% 76.25 1016.6
28 15:56 S 15 16.09 A Few Clouds FEW250 7.2 2.2 71% 5 76.28 1017.0
28 14:56 S 17 16.09 A Few Clouds FEW250 8.9 1.7 61% 7 76.28 1016.9
28 13:56 S 17 16.09 A Few Clouds FEW250 8.3 1.1 61% 6 76.33 1017.6
28 12:56 S 13 16.09 A Few Clouds FEW250 8.3 1.7 8.3 -3.3 63% 6 76.35 1018.1
28 11:56 S 17 16.09 A Few Clouds FEW250 7.8 1.1 63% 5 76.43 1019.1
28 10:56 S 17 16.09 A Few Clouds FEW250 7.8 0.6 61% 5 76.5 1020.0
28 09:56 SE 13 16.09 A Few Clouds FEW250 7.2 0.6 63% 5 76.53 1020.4
28 08:56 SE 20 16.09 A Few Clouds FEW250 5.6 -0.6 65% 2 76.48 1019.7
28 07:56 SE 7 16.09 A Few Clouds FEW026 FEW250 0.6 -0.6 92% -1 76.56 1020.6
28 06:56 Calm 12.87 A Few Clouds FEW023 FEW250 -2.8 -3.3 -1.1 -4.4 96% 76.56 1020.6
28 05:56 Calm 6.44 Fog/Mist SCT023 BKN250 -4.4 -5 96% 76.53 1020.5
28 04:56 Calm 1.21 Fog/Mist CLR -1.7 -1.7 100% 76.53 1020.2
28 03:56 Calm 2.41 Fog/Mist CLR -3.3 -3.9 96% 76.5 1019.9
28 02:56 Calm 8.05 Fog/Mist CLR -3.9 -4.4 96% 76.5 1020.1
28 01:56 Calm 11.27 Fair CLR -2.8 -3.3 96% 76.53 1020.4
28 00:56 Calm 14.48 Fair CLR -2.2 -3.9 0.6 -2.8 88% 76.53 1020.4
27 23:56 E 6 16.09 Fair CLR -2.2 -3.3 92% 76.56 1020.6
27 22:56 Calm 16.09 Fair CLR -2.8 -4.4 89% 76.58 1021.0
27 21:56 Calm 16.09 Fair CLR -1.1 -3.3 85% 76.63 1021.5
27 20:56 SE 6 16.09 Fair CLR -1.7 -4.4 82% 76.61 1021.4
27 19:56 Calm 16.09 A Few Clouds FEW250 0 -3.9 75% 76.61 1021.2
27 18:56 E 6 16.09 A Few Clouds FEW250 -0.6 -4.4 3.3 -0.6 76% 76.61 1021.4
27 17:56 S 7 16.09 A Few Clouds FEW200 FEW250 1.7 -3.9 67% -0 76.58 1021.1
27 16:56 S 11 16.09 A Few Clouds FEW250 2.2 -3.9 64% -1 76.5 1019.9
27 15:56 S 15 16.09 A Few Clouds FEW250 3.3 -4.4 57% 0 76.48 1019.7
27 14:56 S 11 16.09 A Few Clouds FEW250 3.3 -5 55% 1 76.48 1019.7
27 13:56 S 15 16.09 A Few Clouds FEW250 3.3 -8.9 41% 0 76.5 1019.9
27 12:56 SE 11 16.09 A Few Clouds FEW250 2.8 -9.4 5 -6.7 41% 0 76.5 1020.0
27 11:56 S 13 16.09 Mostly Cloudy BKN250 3.3 -9.4 39% 0 76.53 1020.2
27 10:56 Calm 16.09 Partly Cloudy SCT250 3.9 -8.9 39% 76.53 1020.4
27 09:56 E 9 16.09 Partly Cloudy SCT250 1.7 -8.9 46% -1 76.53 1020.4
27 08:56 E 9 16.09 A Few Clouds FEW250 0 -7.8 56% -3 76.53 1020.3
27 07:56 Calm 16.09 A Few Clouds FEW250 -2.2 -6.7 72% 76.48 1019.8
27 06:56 Calm 16.09 A Few Clouds FEW250 -4.4 -6.7 -0.6 -6.7 84% 76.43 1018.9
27 05:56 N 6 16.09 A Few Clouds FEW250 -5 -7.8 81% 76.35 1017.8
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)