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.
19 01:56 Calm 16.09 Overcast OVC110 -3.3 -7.2 -1.1 -4.4 75% 77.11 1028.2
19 00:56 Calm 16.09 Fair CLR -3.3 -8.3 69% 77.11 1028.2
18 23:56 Calm 16.09 A Few Clouds FEW120 FEW250 -3.9 -8.3 72% 77.17 1028.8
18 22:56 Calm 16.09 A Few Clouds FEW250 -3.3 -8.3 69% 77.19 1029.4
18 21:56 Calm 16.09 Fair CLR -2.8 -8.9 63% 77.22 1029.5
18 20:56 S 6 16.09 Fair CLR -1.1 -8.9 56% 77.22 1029.4
18 19:56 S 9 16.09 Fair CLR -1.1 -8.9 1.1 -1.1 56% -4 77.17 1028.9
18 18:56 S 11 16.09 A Few Clouds FEW060 -1.1 -9.4 54% -5 77.19 1029.1
18 17:56 S 15 16.09 A Few Clouds FEW060 0 -10 47% -4 77.22 1029.4
18 16:56 S 19 16.09 A Few Clouds FEW050 FEW250 0.6 -11.1 42% -4 77.22 1029.5
18 15:56 S 17 16.09 A Few Clouds FEW050 FEW150 FEW250 0.6 -12.2 38% -4 77.22 1029.4
18 13:56 Calm 16.09 Mostly Cloudy SCT140 BKN180 0 -15 1.1 -2.8 32% 77.22 1029.6
18 12:56 NE 9 16.09 Mostly Cloudy BKN140 BKN250 0 -14.4 33% -3 77.22 1029.3
18 11:56 NE 19 16.09 Overcast BKN140 OVC250 -0.6 -13.3 38% -5 77.14 1028.5
18 10:56 N 26 16.09 Overcast BKN160 OVC250 -1.7 -13.3 41% -8 77.17 1028.6
18 09:56 NW 17 16.09 Overcast FEW050 BKN200 OVC250 -1.7 -13.3 41% -6 77.27 1030.0
18 08:56 NW 19 16.09 Mostly Cloudy BKN250 -2.2 -13.3 43% -7 77.24 1029.8
18 07:56 W 11 16.09 Mostly Cloudy FEW060 BKN250 -2.8 -13.3 -0.6 -3.9 45% -7 77.17 1028.7
18 06:56 NW 13 16.09 A Few Clouds FEW060 FEW250 -3.9 -13.9 46% -8 77.01 1026.8
18 05:56 NW 11 16.09 A Few Clouds FEW250 -3.3 -14.4 42% -7 76.99 1026.3
18 04:56 NW 20 16.09 Fair CLR -2.8 -15 39% -8 76.86 1024.8
18 03:56 NW 15 16.09 Fair CLR -2.2 -13.3 43% -7 76.78 1023.7
18 02:56 NW 19 16.09 A Few Clouds FEW040 -1.7 -11.7 47% -7 76.76 1023.4
18 01:56 NW 17 16.09 Partly Cloudy SCT045 SCT055 -1.1 -9.4 2.8 -1.1 54% -6 76.68 1022.5
18 00:56 W 15 16.09 Fair CLR -0.6 -10 49% -5 76.63 1021.5
17 23:56 W 13 16.09 A Few Clouds FEW060 0 -10.6 45% -4 76.56 1020.8
17 22:56 NW 22 G 43 16.09 Mostly Cloudy FEW030 SCT070 BKN085 0.6 -9.4 48% -4 76.48 1019.7
17 21:56 NW 13 16.09 Mostly Cloudy FEW055 SCT070 BKN090 1.7 -11.1 38% -2 76.38 1018.3
17 20:56 NW 30 G 43 16.09 Mostly Cloudy BKN080 2.2 -11.7 35% -3 76.3 1017.2
17 19:56 W 20 G 37 16.09 Mostly Cloudy BKN075 BKN250 2.2 -12.2 6.1 2.2 34% -2 76.2 1015.9
17 18:56 NW 24 16.09 Mostly Cloudy BKN070 BKN250 2.8 -12.2 33% -2 76.1 1014.5
17 17:56 NW 26 16.09 Mostly Cloudy BKN070 BKN250 3.3 -12.2 31% -1 75.97 1013.0
17 16:56 W 26 G 48 16.09 Mostly Cloudy BKN070 BKN250 5 -12.8 27% 1 75.87 1011.6
17 15:56 NW 26 G 43 16.09 Partly Cloudy SCT070 SCT250 6.1 -11.7 27% 2 75.82 1010.8
17 14:56 W 31 G 50 16.09 Partly Cloudy SCT060 SCT250 5.6 -10.6 30% 1 75.77 1010.2
17 13:56 NW 33 G 56 16.09 A Few Clouds and Breezy FEW055 FEW250 5 -11.1 5 1.7 30% 0 75.77 1010.2
17 12:56 W 30 G 46 16.09 A Few Clouds FEW055 FEW250 5 -9.4 35% 0 75.79 1010.4
17 11:56 W 31 G 48 16.09 A Few Clouds FEW050 FEW250 3.9 -9.4 38% -1 75.74 1009.8
17 10:56 W 37 G 50 16.09 A Few Clouds and Breezy FEW050 FEW250 3.3 -9.4 39% -2 75.74 1009.7
17 09:56 W 33 G 50 16.09 A Few Clouds and Breezy FEW050 FEW250 3.3 -10 37% -2 75.67 1008.8
17 08:56 W 44 G 57 16.09 A Few Clouds and Windy FEW045 FEW250 2.8 -9.4 41% -4 75.54 1007.2
17 07:56 W 26 G 41 16.09 Partly Cloudy SCT043 SCT250 1.7 -8.3 9.4 1.7 48% -3 75.49 1006.5
17 06:56 W 35 G 59 16.09 Partly Cloudy and Breezy SCT040 SCT250 1.7 -8.9 46% -4 75.34 1004.5
17 05:56 W 20 G 43 16.09 Partly Cloudy SCT030 3.3 -3.3 62% -1 75.21 1002.7
17 04:56 W 35 G 54 16.09 A Few Clouds and Breezy FEW029 3.9 -1.7 67% -1 75.08 1000.9
17 03:56 W 33 G 56 16.09 Overcast and Breezy FEW024 OVC070 6.7 2.2 73% 2 74.9 998.7
17 02:56 SW 30 G 43 16.09 Overcast SCT017 BKN024 OVC050 6.7 5 89% 3 74.8 997.3
17 01:56 W 22 16.09 Light Rain FEW028 OVC037 8.9 7.2 12.2 8.9 89% 6 74.63 994.9 0.05 0.41
17 00:56 S 35 G 63 9.66 Fog/Mist and Breezy OVC004 11.7 11.1 96% 74.42 992.1
16 23:56 S 37 G 67 1.21 Fog/Mist and Breezy VV002 11.7 11.1 96% 74.52 993.5
16 22:56 S 33 G 59 0.40 Fog and Breezy VV002 11.1 10.6 97% 74.65 995.3 0.36
16 21:56 S 28 G 50 0.40 Fog/Mist VV002 11.1 11.1 100% 74.75 996.6
16 20:56 S 30 G 61 11.27 Light Rain OVC004 12.2 11.7 97% 74.88 998.1 0.36
16 19:56 S 30 G 65 2.41 Thunderstorm Rain Fog/Mist OVC004CB 11.7 11.1 12.8 10.6 96% 74.98 999.6 0.79 1.19
16 18:56 S 35 G 50 2.41 Light Rain Fog/Mist and Breezy OVC004 11.7 11.1 96% 75.01 999.8 0.41
16 17:56 S 31 G 54 0.40 Fog VV002 11.7 11.1 96% 75.08 1001.0
16 16:56 S 35 G 56 0.40 Fog and Breezy OVC002 12.2 11.7 97% 75.18 1002.2
16 15:56 S 35 G 61 0.21 Fog and Breezy VV002 12.2 12.2 100% 75.26 1003.3
16 14:56 S 33 G 52 11.27 Overcast and Breezy OVC005 12.2 11.1 93% 75.31 1004.1
16 13:56 S 26 G 57 0.21 Fog VV002 11.7 11.1 12.2 11.1 96% 75.41 1005.3 0.18
16 12:56 S 26 G 50 0.21 Fog VV002 11.7 11.7 100% 75.44 1005.9 0.03
16 11:56 S 37 G 56 0.40 Light Rain Fog and Breezy VV002 11.7 11.7 100% 75.51 1006.9 0.03
16 10:56 S 35 G 57 0.21 Fog and Breezy VV002 12.2 11.7 97% 75.59 1007.8 0.03 0.13
16 09:56 S 31 G 48 0.80 Fog VV002 12.2 12.2 100% 75.64 1008.6 0.05
16 08:56 S 28 G 56 0.21 Light Rain Fog VV002 11.7 11.1 96% 75.67 1008.8 0.05
16 07:56 S 35 G 48 0.21 Fog and Breezy VV002 11.1 11.1 11.1 7.2 100% 75.74 1010.0 0.38
16 06:56 SE 31 G 52 0.21 Fog VV002 10.6 10.6 100% 75.79 1010.6
16 05:56 SE 30 G 56 6.44 Fog/Mist OVC003 10 9.4 96% 7 75.92 1012.0 0.08
16 04:56 SE 28 G 46 6.44 Light Rain Fog/Mist OVC004 8.3 7.8 97% 5 75.97 1013.0 0.08 0.3
16 03:56 SE 33 G 52 9.66 Fog/Mist and Breezy BKN005 OVC020 8.3 7.2 93% 4 76.07 1014.1 0.23
16 02:56 SE 33 G 59 6.44 Rain Fog/Mist and Breezy FEW009 BKN036 OVC065 7.8 6.7 93% 4 76.23 1016.2
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)