Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
23 22:56 NW 3 10.00 Mostly Cloudy BKN130 BKN250 55.9 45 67% 29.84 1010.3
23 21:56 Calm 10.00 Mostly Cloudy BKN130 BKN250 55.9 45 67% 29.84 1010.5
23 20:56 NE 7 10.00 Mostly Cloudy BKN110 BKN250 55 46.9 74% 29.84 1010.4
23 19:56 Vrbl 6 10.00 Mostly Cloudy BKN130 BKN250 55 46.9 71.1 55 74% 29.82 1009.7
23 18:56 SW 8 10.00 Mostly Cloudy SCT130 BKN250 57 46 67% 29.81 1009.6
23 17:56 S 9 10.00 Mostly Cloudy FEW130 BKN250 57.9 48 70% 29.82 1009.7
23 16:56 W 10 10.00 Mostly Cloudy FEW065 BKN250 68 39.9 36% 29.81 1009.6
23 15:56 SW 9 G 16 10.00 Mostly Cloudy FEW070 BKN250 69.1 41 36% 29.83 1010.0
23 14:56 NW 8 G 20 10.00 Mostly Cloudy FEW060 BKN250 68 36 31% 29.86 1011.0
23 13:56 NW 14 G 24 10.00 Mostly Cloudy FEW060 BKN250 66.9 34 68 46.9 30% 29.88 1011.9
23 12:56 NW 18 G 24 10.00 Mostly Cloudy FEW060 BKN250 66 35.1 32% 29.9 1012.5
23 11:56 NW 13 G 22 10.00 Mostly Cloudy BKN250 64.9 39 39% 29.91 1012.9
23 10:56 NW 13 G 22 10.00 Partly Cloudy FEW045 SCT250 63 41 45% 29.93 1013.6
23 09:56 Vrbl 5 10.00 A Few Clouds FEW250 57 46 67% 29.95 1014.0
23 08:56 NW 3 10.00 A Few Clouds FEW250 51.1 44.1 77% 29.96 1014.4
23 07:56 Calm 6.00 Fog/Mist SCT005 46.9 44.1 46.9 42.1 90% 29.96 1014.6
23 06:56 Calm 3.00 Fog/Mist FEW002 43 43 100% 29.95 1014.1
23 05:56 Calm 3.00 Fog/Mist FEW002 42.1 42.1 100% 29.93 1013.6
23 04:56 N 7 0.75 Fog/Mist VV002 43 42.1 97% 39 29.94 1013.7
23 03:56 N 7 8.00 Fair CLR 43 42.1 97% 39 29.94 1013.8
23 02:56 N 3 9.00 Fair CLR 45 43 93% 29.94 1013.8
23 01:56 NW 3 10.00 Overcast OVC060 46 44.1 46.9 44.1 93% 29.95 1014.2 0.01 0.01
23 00:56 W 3 10.00 Overcast OVC075 46 43 89% 29.96 1014.6
22 23:56 N 6 10.00 Light Rain SCT075 OVC090 46 43 89% 44 29.99 1015.6
22 22:56 E 5 10.00 Light Rain FEW070 OVC085 46 43 89% 44 29.97 1014.9
22 21:56 NE 7 10.00 Mostly Cloudy FEW013 BKN100 46 42.1 86% 43 29.99 1015.6
22 20:56 E 5 10.00 Partly Cloudy FEW014 SCT100 44.1 41 89% 42 30 1015.8
22 19:56 SE 6 10.00 Mostly Cloudy SCT018 SCT100 BKN250 46.9 42.1 50 46.9 83% 45 29.98 1015.4
22 18:56 E 6 10.00 Overcast FEW011 OVC020 48.9 42.1 77% 47 29.99 1015.7
22 17:56 SE 8 10.00 Overcast FEW013 OVC022 48.9 42.1 77% 46 30 1016.0
22 16:56 SE 12 10.00 Overcast FEW018 OVC025 48.9 41 74% 45 30.01 1016.4
22 15:56 SE 10 10.00 Overcast FEW018 OVC026 48.9 39.9 71% 45 30.04 1017.3
22 14:56 SE 15 10.00 Overcast FEW018 OVC029 48 39.9 74% 43 30.06 1018.0
22 13:56 SE 16 G 23 10.00 Overcast FEW018 OVC031 48 39 48.9 43 71% 42 30.09 1019.1
22 12:56 SE 13 G 24 10.00 Overcast FEW018 OVC034 48 39 71% 43 30.11 1019.5
22 11:56 S 16 10.00 Overcast FEW018 OVC038 46 39 77% 40 30.13 1020.4
22 10:56 SE 16 G 28 10.00 Light Rain FEW018 BKN042 OVC090 46 39 77% 40 30.14 1020.7
22 09:56 S 15 G 26 10.00 Overcast FEW020 BKN042 OVC090 46 39 77% 40 30.15 1020.9
22 08:56 S 13 10.00 Light Rain FEW020 BKN065 OVC090 45 39 80% 39 30.16 1021.4
22 06:56 S 10 6.00 Light Rain OVC060 43 37 80% 38 30.18 1021.9 0.03
22 05:56 S 13 G 20 10.00 Overcast OVC070 44.1 33.1 65% 38 30.19 1022.4
22 04:56 S 12 10.00 Overcast FEW050 BKN070 OVC085 44.1 36 73% 39 30.18 1022.2 0.03
22 03:56 S 7 10.00 Overcast FEW044 OVC075 43 37 80% 39 30.2 1022.6 0.01
22 02:56 S 7 10.00 Light Rain OVC060 43 37 80% 39 30.2 1022.6 0.02
22 01:56 S 9 10.00 Light Rain OVC065 44.1 34 44.1 42.1 68% 40 30.23 1023.6
22 00:56 S 10 10.00 Overcast OVC060 44.1 30 58% 39 30.27 1025.2
21 23:56 S 12 10.00 Overcast BKN055 OVC075 44.1 28 53% 39 30.28 1025.3
21 22:56 S 13 10.00 Overcast BKN110 OVC250 43 26.1 51% 37 30.27 1025.2
21 21:56 S 10 10.00 Mostly Cloudy SCT090 BKN110 BKN250 43 25 49% 38 30.28 1025.4
21 20:56 S 12 10.00 Mostly Cloudy FEW060 BKN110 BKN250 43 25 49% 37 30.27 1025.2
21 19:56 S 12 10.00 Mostly Cloudy FEW060 BKN120 BKN250 43 23 46.9 43 45% 37 30.26 1024.9
21 18:56 S 12 10.00 Mostly Cloudy BKN120 BKN250 44.1 23 43% 39 30.26 1024.7
21 17:56 SE 12 10.00 Mostly Cloudy BKN120 BKN250 44.1 21.9 41% 39 30.27 1025.1
21 16:56 S 7 10.00 Mostly Cloudy FEW050 BKN120 BKN250 44.1 21 40% 41 30.28 1025.3
21 15:56 S 10 10.00 Mostly Cloudy FEW050 BKN120 BKN250 45 21.9 40% 40 30.29 1025.7
21 14:56 SW 10 10.00 Partly Cloudy SCT050 SCT130 SCT250 46 23 40% 42 30.31 1026.4
21 13:56 SE 8 G 21 10.00 Partly Cloudy SCT050 SCT250 46 26.1 48.9 39 46% 42 30.32 1026.6
21 12:56 S 9 10.00 Mostly Cloudy FEW045 BKN055 46 25 44% 42 30.34 1027.4
21 11:56 S 9 10.00 Partly Cloudy SCT050 46 24.1 42% 42 30.36 1028.0
21 10:56 S 7 10.00 Partly Cloudy SCT055 44.1 18 35% 41 30.37 1028.3
21 09:56 Vrbl 5 10.00 Partly Cloudy SCT050 42.1 21 43% 40 30.38 1028.7
21 08:56 N 6 10.00 A Few Clouds FEW045 42.1 21 43% 39 30.38 1028.8
21 07:56 N 8 10.00 Fair CLR 39 19.9 39 33.1 46% 34 30.38 1028.8
21 06:56 N 8 10.00 A Few Clouds FEW040 36 18 48% 30 30.37 1028.5
21 05:56 N 7 10.00 Fair CLR 33.1 17.1 52% 28 30.34 1027.5
21 04:56 N 8 10.00 Fair CLR 34 16 48% 28 30.33 1027.1
21 03:56 N 8 10.00 Fair CLR 35.1 17.1 48% 29 30.33 1026.9
21 02:56 N 9 10.00 Fair CLR 36 16 44% 30 30.32 1026.6
21 01:56 N 8 10.00 Fair CLR 37.9 14 44.1 37.9 37% 33 30.32 1026.7
21 00:56 N 10 10.00 Fair CLR 39 14 36% 33 30.32 1026.9
20 23:56 N 15 10.00 A Few Clouds FEW075 39.9 17.1 40% 32 30.31 1026.3
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)