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.
09 18:56 SE 13 16.09 Mostly Cloudy SCT015 BKN250 5.6 2.2 79% 3 77.47 1032.8
09 17:56 S 15 16.09 Mostly Cloudy FEW020 BKN250 6.7 1.7 71% 4 77.5 1033.1
09 16:56 S 19 16.09 Partly Cloudy FEW020 SCT250 7.8 1.1 63% 5 77.52 1033.5
09 15:56 S 19 G 37 16.09 Partly Cloudy FEW021 SCT250 7.2 0.6 63% 4 77.57 1034.3
09 14:56 S 19 16.09 A Few Clouds FEW021 FEW250 7.2 1.1 66% 4 77.62 1034.9
09 13:56 S 17 G 30 16.09 A Few Clouds FEW021 FEW250 7.8 1.1 8.3 2.8 63% 5 77.67 1035.7
09 12:56 S 15 16.09 A Few Clouds FEW023 FEW250 7.2 0.6 63% 5 77.72 1036.4
09 11:56 S 17 16.09 A Few Clouds FEW023 FEW250 7.2 0 61% 5 77.75 1036.5
09 10:56 S 17 16.09 A Few Clouds FEW023 FEW250 6.7 -0.6 60% 4 77.77 1037.0
09 09:56 S 13 16.09 A Few Clouds FEW023 FEW250 6.1 -0.6 63% 4 77.77 1037.0
09 08:56 S 17 16.09 A Few Clouds FEW023 FEW250 5 0 70% 2 77.77 1037.0
09 07:56 Calm 16.09 A Few Clouds FEW018 FEW250 2.8 0 2.8 -2.8 82% 77.8 1037.3
09 06:56 Calm 16.09 Mostly Cloudy BKN018 -1.1 -2.8 88% 77.77 1036.9
09 05:56 Calm 16.09 Mostly Cloudy BKN017 -2.8 -4.4 89% 77.72 1036.4
09 04:56 Calm 16.09 Fair CLR -2.2 -3.9 88% 77.7 1036.0
09 03:56 Calm 16.09 Fair CLR -1.7 -3.3 89% 77.7 1035.9
09 02:56 Calm 16.09 Fair CLR -1.7 -3.3 89% 77.7 1035.8
09 01:56 Calm 16.09 Fair CLR -1.1 -3.3 3.3 -1.1 85% 77.72 1036.3
09 00:56 Calm 16.09 Fair CLR -0.6 -3.3 82% 77.77 1037.0
08 23:56 SE 6 16.09 Fair CLR 0 -3.3 79% 77.77 1036.9
08 22:56 S 7 16.09 Fair CLR 2.2 -2.2 73% 0 77.77 1036.8
08 21:56 S 6 16.09 Fair CLR 2.8 -2.2 70% 77.77 1036.9
08 20:56 S 7 16.09 Fair CLR 2.8 -2.8 67% 1 77.75 1036.6
08 19:56 S 11 16.09 A Few Clouds FEW250 3.3 -2.8 6.7 3.3 65% 1 77.7 1035.7
08 18:56 S 11 16.09 A Few Clouds FEW250 4.4 -3.9 55% 2 77.7 1035.9
08 17:56 S 13 16.09 Fair CLR 5 -4.4 51% 2 77.72 1036.1
08 16:56 S 19 16.09 A Few Clouds FEW250 5.6 -3.9 51% 2 77.7 1035.8
08 15:56 SW 11 16.09 Fair CLR 5.6 -3.9 51% 3 77.67 1035.7
08 14:56 SE 17 G 28 16.09 Fair CLR 6.1 -5 45% 3 77.7 1036.0
08 13:56 S 11 G 30 16.09 A Few Clouds FEW250 6.7 -4.4 7.2 0 45% 5 77.72 1036.1
08 12:56 NE 13 16.09 Fair CLR 6.1 -9.4 32% 4 77.75 1036.4
08 11:56 NE 13 G 31 16.09 A Few Clouds FEW250 5 -9.4 35% 2 77.77 1036.9
08 10:56 N 24 G 35 16.09 A Few Clouds FEW250 3.9 -10.6 34% -0 77.8 1037.2
08 09:56 N 24 16.09 A Few Clouds FEW250 2.8 -10.6 37% -2 77.77 1036.7
08 08:56 N 28 16.09 A Few Clouds FEW250 1.7 -10 42% -4 77.75 1036.6
08 07:56 N 22 16.09 A Few Clouds FEW250 0 -9.4 0 -1.7 50% -5 77.75 1036.5
08 06:56 NE 17 G 30 16.09 A Few Clouds FEW250 -1.1 -9.4 54% -6 77.67 1035.7
08 05:56 N 15 16.09 A Few Clouds FEW250 -1.7 -8.9 58% -6 77.6 1034.5
08 04:56 N 26 16.09 Fair CLR -1.1 -8.9 56% -7 77.52 1033.4
08 03:56 N 17 16.09 Fair CLR -1.1 -8.9 56% -6 77.5 1033.1
08 02:56 N 19 G 31 16.09 Fair CLR -0.6 -8.9 54% -5 77.47 1032.7
08 01:56 N 13 16.09 Fair CLR -0.6 -8.9 5 -0.6 54% -4 77.44 1032.6
08 00:56 N 15 16.09 Fair CLR 0 -8.9 52% -4 77.42 1032.2
07 23:56 N 28 G 46 16.09 A Few Clouds FEW250 0.6 -9.4 48% -5 77.37 1031.5
07 22:56 N 26 G 41 16.09 A Few Clouds FEW250 1.7 -8.9 46% -3 77.32 1030.9
07 21:56 NW 31 G 46 16.09 A Few Clouds FEW250 2.8 -8.9 42% -3 77.27 1030.0
07 20:56 NW 22 16.09 A Few Clouds FEW250 3.9 -9.4 38% -0 77.17 1028.9
07 19:56 NW 20 G 43 16.09 A Few Clouds FEW250 5 -11.1 12.8 5 30% 1 77.06 1027.5
07 18:56 NW 31 G 48 16.09 A Few Clouds FEW070 FEW250 6.1 -11.7 27% 2 76.94 1025.9
07 17:56 NW 26 G 50 16.09 A Few Clouds FEW070 FEW250 7.8 -12.2 23% 4 76.86 1024.6
07 16:56 NW 37 G 57 16.09 A Few Clouds and Breezy FEW070 FEW250 9.4 -10.6 23% 6 76.73 1023.2
07 15:56 NW 33 G 52 16.09 A Few Clouds and Breezy FEW075 FEW250 11.1 -8.9 24% 76.63 1021.8
07 14:56 NW 35 G 54 16.09 Partly Cloudy and Breezy SCT075 SCT250 12.2 -7.8 24% 76.58 1021.1
07 13:56 W 26 G 43 16.09 Mostly Cloudy BKN065 11.1 -5 13.3 7.8 32% 76.58 1020.9
07 12:56 NW 24 G 46 16.09 Mostly Cloudy BKN065 12.8 -2.2 36% 76.53 1020.3
07 11:56 W 28 G 44 16.09 Mostly Cloudy BKN060 11.7 -4.4 32% 76.5 1019.9
07 10:56 W 22 16.09 Partly Cloudy SCT049 12.2 -1.1 40% 76.5 1019.9
07 09:56 W 24 G 39 16.09 Partly Cloudy FEW050 SCT075 SCT095 10.6 -1.7 43% 76.48 1019.7
07 08:56 W 20 16.09 Mostly Cloudy BKN075 9.4 2.2 61% 7 76.45 1019.2
07 07:56 S 11 16.09 Mostly Cloudy FEW045 BKN060 BKN075 7.8 4.4 7.8 4.4 79% 6 76.45 1019.3
07 06:56 Calm 16.09 Overcast FEW045 SCT060 OVC075 5.6 3.9 89% 76.4 1018.8
07 05:56 E 9 16.09 Mostly Cloudy FEW065 BKN090 BKN110 5 3.3 89% 3 76.38 1018.1
07 04:56 Calm 16.09 Overcast SCT060 BKN095 OVC110 5 3.3 89% 76.4 1018.5
07 03:56 Calm 16.09 Mostly Cloudy FEW070 FEW095 BKN120 5 3.9 93% 76.38 1018.2
07 02:56 N 7 16.09 Light Rain BKN050 OVC070 6.1 3.9 86% 5 76.45 1019.2
07 01:56 E 7 16.09 Overcast BKN080 OVC090 5 3.3 7.2 3.9 89% 4 76.4 1018.8
07 00:56 E 7 16.09 Mostly Cloudy BKN090 3.9 2.2 89% 2 76.4 1018.7
06 23:56 Calm 16.09 Mostly Cloudy SCT080 BKN110 5 2.2 82% 76.48 1019.5
06 22:56 Calm 16.09 Mostly Cloudy BKN080 5.6 1.7 76% 76.45 1019.3
06 21:56 Calm 16.09 Mostly Cloudy SCT080 BKN095 5 1.7 79% 76.45 1019.4
06 20:56 S 6 16.09 Mostly Cloudy SCT080 BKN095 7.2 2.2 71% 76.45 1019.2
06 19:56 SW 9 16.09 Mostly Cloudy BKN090 7.2 1.7 11.7 7.2 68% 6 76.38 1018.3
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)