Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Metric (Imperial)
Date Time (edt) 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.
15 00:56 Calm 16.09 Fair CLR 17.2 11.7 70% 75.92 1012.2
14 23:56 SW 6 16.09 Mostly Cloudy FEW070 BKN170 BKN250 18.3 11.7 66% 75.95 1012.5
14 22:56 SW 15 16.09 Mostly Cloudy SCT090 BKN180 BKN250 17.2 11.1 68% 75.92 1012.0
14 21:56 SW 19 16.09 Mostly Cloudy SCT130 BKN220 17.2 11.1 68% 75.9 1011.7
14 20:56 SW 15 16.09 Partly Cloudy FEW130 SCT250 16.7 10 65% 75.87 1011.4
14 19:56 SW 22 G 39 16.09 Partly Cloudy FEW150 SCT250 17.8 10 25 17.8 60% 75.79 1010.4
14 18:56 SW 22 16.09 Mostly Cloudy FEW150 BKN250 17.8 10.6 63% 75.79 1010.4
14 17:56 SW 24 G 50 16.09 Mostly Cloudy BKN250 20.6 11.1 55% 75.79 1010.4
14 16:56 SW 20 G 39 16.09 Partly Cloudy SCT250 22.2 12.2 53% 75.84 1011.2
14 15:56 S 19 16.09 Partly Cloudy SCT250 22.2 13.3 57% 75.95 1012.3
14 14:56 S 26 16.09 Partly Cloudy FEW050 SCT250 22.2 12.8 55% 75.97 1012.9
14 13:56 S 19 16.09 Partly Cloudy FEW050 SCT250 25 13.9 25.6 16.1 50% 26 76.05 1013.8
14 12:56 S 20 16.09 Partly Cloudy FEW050 SCT250 24.4 13.3 50% 26 76.07 1014.3
14 11:56 S 19 16.09 A Few Clouds FEW170 FEW250 24.4 13.9 52% 26 76.17 1015.4
14 10:56 S 11 16.09 A Few Clouds FEW200 FEW250 25 13.9 50% 26 76.17 1015.7
14 09:56 S 6 16.09 A Few Clouds FEW250 23.3 14.4 57% 76.17 1015.6
14 08:56 Calm 16.09 Partly Cloudy SCT250 20 13.9 68% 76.2 1016.0
14 07:56 Calm 16.09 Partly Cloudy FEW140 SCT250 16.1 13.3 16.1 11.1 84% 76.2 1016.0
14 06:56 Calm 14.48 Partly Cloudy FEW140 SCT250 12.8 11.7 93% 76.17 1015.5
14 05:56 S 9 16.09 Partly Cloudy SCT250 11.7 11.1 96% 76.15 1015.1
14 04:56 Calm 16.09 Fair CLR 12.2 11.1 93% 76.1 1014.6
14 03:56 Calm 16.09 Fair CLR 12.8 11.1 90% 76.1 1014.4
14 02:56 Calm 16.09 Fair CLR 12.8 11.7 93% 76.1 1014.6
14 01:56 Calm 16.09 Fair CLR 13.3 11.7 17.2 13.3 90% 76.12 1014.8 0.2
14 00:56 SW 9 16.09 Fair CLR 15 12.2 83% 76.17 1015.4
13 23:56 SW 6 16.09 Overcast FEW060 BKN110 OVC150 15.6 13.9 90% 76.15 1015.1 0.13
13 22:56 W 9 6.44 Heavy Rain FEW027 BKN060 OVC080 13.9 10.6 81% 76.23 1016.0 0.08 0.08
13 21:56 SW 17 16.09 Partly Cloudy FEW120 SCT250 14.4 9.4 72% 76.12 1014.7
13 20:56 SW 11 16.09 Partly Cloudy FEW075 FEW100 SCT250 15 10 72% 76.12 1014.8
13 19:56 SW 15 16.09 Partly Cloudy SCT170 SCT250 15.6 10 18.3 13.9 70% 76.05 1013.8
13 18:56 SW 19 G 35 16.09 A Few Clouds FEW110 FEW170 FEW250 16.7 10.6 67% 76 1013.1
13 17:56 SW 15 16.09 Mostly Cloudy FEW100 SCT140 BKN250 17.8 10.6 63% 76.02 1013.3
13 16:56 SW 20 16.09 Mostly Cloudy SCT100 BKN140 BKN220 BKN250 15.6 10 70% 76.02 1013.5
13 15:56 SW 22 16.09 Mostly Cloudy FEW038 BKN100 BKN150 BKN250 15 10.6 75% 76.07 1014.1
13 14:56 SW 24 G 37 16.09 Overcast FEW012 OVC110 14.4 10.6 78% 76.15 1015.1
13 13:56 SW 19 16.09 Mostly Cloudy FEW130 BKN150 BKN250 16.1 11.1 16.1 11.1 72% 76.17 1015.6
13 12:56 SW 26 G 39 16.09 Mostly Cloudy SCT009 SCT160 BKN250 15.6 11.1 75% 76.25 1016.7
13 11:56 SW 22 G 43 16.09 Mostly Cloudy BKN009 BKN150 14.4 10.6 78% 76.33 1017.5
13 10:56 SW 24 14.48 Overcast BKN007 OVC017 12.8 10 83% 76.43 1018.8
13 09:56 SW 22 G 41 16.09 Overcast BKN008 OVC017 12.8 10 83% 76.5 1020.0
13 08:56 SW 28 G 48 16.09 Overcast BKN008 OVC017 12.2 10 87% 76.58 1021.0
13 07:56 S 30 G 43 16.09 Overcast SCT008 BKN021 OVC220 11.1 9.4 11.1 8.9 89% 76.63 1021.5
13 06:56 S 20 G 39 16.09 Mostly Cloudy FEW010 BKN026 BKN240 10.6 8.9 89% 76.66 1022.0
13 05:56 S 17 16.09 Overcast BKN029 BKN038 OVC250 10 7.8 86% 8 76.68 1022.5
13 04:56 S 19 16.09 Overcast OVC030 10 6.7 80% 8 76.73 1023.0
13 03:56 S 15 G 30 16.09 Fair CLR 8.9 5 77% 7 76.78 1023.6
13 02:56 S 15 16.09 Fair CLR 8.9 3.9 71% 7 76.84 1024.4
13 01:56 S 17 16.09 Fair CLR 9.4 2.8 10 7.2 64% 7 76.91 1025.5
13 00:56 S 20 16.09 Fair CLR 10 1.7 57% 8 76.99 1026.4
12 23:56 S 17 16.09 Overcast BKN120 OVC150 9.4 2.8 64% 7 77.04 1027.1
12 22:56 S 13 16.09 Mostly Cloudy BKN120 BKN160 BKN250 8.3 6.1 86% 6 77.06 1027.5
12 21:56 S 17 16.09 Mostly Cloudy FEW015 BKN160 BKN250 7.8 5.6 86% 5 77.14 1028.4
12 20:56 S 17 16.09 Mostly Cloudy SCT160 BKN250 7.2 4.4 83% 5 77.17 1028.9
12 19:56 S 17 16.09 Mostly Cloudy FEW150 BKN250 7.2 3.3 11.1 7.2 77% 5 77.22 1029.3
12 18:56 SE 19 16.09 Mostly Cloudy FEW170 FEW200 BKN250 7.8 2.8 71% 5 77.22 1029.4
12 17:56 S 20 16.09 Mostly Cloudy FEW180 BKN250 8.9 2.2 63% 6 77.27 1030.1
12 16:56 S 22 16.09 Partly Cloudy FEW170 SCT250 9.4 0 52% 7 77.29 1030.6
12 15:56 S 24 16.09 Mostly Cloudy FEW160 BKN250 10 -2.8 41% 7 77.32 1031.0
12 14:56 S 24 16.09 Partly Cloudy FEW160 SCT200 SCT250 10.6 -4.4 35% 77.39 1031.7
12 13:56 SE 20 16.09 Mostly Cloudy FEW200 BKN250 10.6 -3.3 11.7 7.2 38% 77.44 1032.4
12 12:56 S 19 16.09 Partly Cloudy SCT250 11.1 -2.8 38% 77.47 1032.9
12 11:56 Vrbl 11 G 28 16.09 A Few Clouds FEW250 10.6 -2.2 41% 77.52 1033.4
12 10:56 SE 15 16.09 Partly Cloudy SCT250 10.6 -1.7 43% 77.57 1034.1
12 09:56 SE 13 16.09 A Few Clouds FEW250 10.6 -3.9 36% 77.52 1033.6
12 08:56 E 9 16.09 A Few Clouds FEW250 8.9 -2.8 44% 8 77.52 1033.7
12 07:56 NE 11 16.09 A Few Clouds FEW250 7.2 -2.8 7.2 2.8 49% 5 77.52 1033.5
12 06:56 N 6 16.09 A Few Clouds FEW250 3.9 -1.7 67% 77.47 1032.7
12 05:56 N 9 16.09 Fair CLR 3.3 -2.2 68% 1 77.42 1032.1
12 04:56 N 11 16.09 Fair CLR 3.3 -2.2 68% 1 77.37 1031.6
12 03:56 N 9 16.09 Fair CLR 5 -3.3 55% 3 77.32 1030.7
12 02:56 N 11 16.09 Fair CLR 6.7 -3.3 49% 5 77.24 1029.8
12 01:56 N 19 16.09 Fair CLR 6.7 -2.8 12.8 6.7 51% 4 77.22 1029.4
Date Time (edt) 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)