Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Imperial (Metric)
Date Time (est) 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.
17 09:56 SW 14 5.00 Fog/Mist OVC007 35.1 32 89% 27 30.14 1020.8
17 08:56 SW 12 4.00 Fog/Mist OVC007 34 30.9 89% 26 30.15 1021.0
17 07:56 SW 10 5.00 Fog/Mist BKN007 BKN011 OVC023 34 30.9 89% 27 30.16 1021.3
17 06:56 SW 8 8.00 Overcast BKN019 OVC026 34 30 34 23 85% 28 30.16 1021.3
17 05:56 S 7 8.00 Overcast BKN017 OVC026 33.1 30 89% 28 30.15 1020.9
17 04:56 S 3 8.00 Overcast FEW022 OVC029 32 28.9 88% 30.15 1020.9
17 03:56 SW 3 7.00 Mostly Cloudy BKN037 30 28 92% 30.14 1020.6
17 02:56 W 3 9.00 Overcast OVC038 27 25 92% 30.14 1020.7
17 01:56 Calm 4.00 Fog/Mist BKN040 23 21 92% 30.16 1021.2
17 00:56 Calm 6.00 Fog/Mist CLR 23 21.9 30.9 23 96% 30.17 1021.5
16 23:56 Calm 10.00 Partly Cloudy SCT250 24.1 23 96% 30.17 1021.8
16 22:56 Calm 10.00 Partly Cloudy SCT250 23 21 92% 30.17 1021.8
16 21:56 SW 3 10.00 Partly Cloudy SCT250 28 25 88% 30.18 1022.0
16 20:56 SW 3 10.00 A Few Clouds FEW250 30 26.1 85% 30.18 1021.9
16 19:56 SW 3 10.00 Partly Cloudy SCT250 30.9 26.1 82% 30.17 1021.7
16 18:56 SW 5 10.00 Partly Cloudy SCT250 30.9 26.1 37.9 30 82% 27 30.17 1021.5
16 17:56 Calm 10.00 Partly Cloudy SCT250 35.1 21 57% 30.16 1021.2
16 16:56 NE 3 10.00 A Few Clouds FEW250 36 21.9 57% 30.14 1020.6
16 15:56 NE 6 10.00 A Few Clouds FEW030 FEW041 FEW250 37 23 57% 33 30.13 1020.2
16 14:56 N 9 10.00 Mostly Cloudy FEW029 BKN041 37 24.1 59% 31 30.11 1019.8
16 13:56 NE 14 10.00 A Few Clouds FEW027 FEW065 37 24.1 59% 29 30.1 1019.3
16 12:56 NE 15 G 20 10.00 Mostly Cloudy FEW021 BKN065 36 25 36 28.9 64% 27 30.1 1019.4
16 11:56 NE 15 10.00 Overcast SCT021 OVC065 34 25 70% 25 30.12 1020.0
16 09:56 N 9 10.00 Overcast FEW014 BKN020 OVC060 32 24.1 73% 25 30.13 1020.2
16 08:56 NE 12 10.00 Overcast SCT014 OVC020 30 25 82% 21 30.13 1020.4
16 07:56 NE 10 10.00 Overcast OVC010 28.9 26.1 89% 20 30.11 1019.7
16 06:56 NE 12 10.00 Overcast OVC008 28.9 26.1 30 28 89% 20 30.09 1018.9 0.06
16 05:56 NE 12 6.00 Light Snow Fog/Mist OVC009 28 26.1 92% 19 30.08 1018.6
16 04:56 NE 16 3.00 Light Snow Fog/Mist BKN009 OVC012 28.9 27 92% 18 30.06 1018.0
16 03:56 NE 10 2.00 Light Snow Fog/Mist OVC013 30 28 92% 22 30.04 1017.4 0.02 0.06
16 02:56 NE 9 1.50 Light Snow Fog/Mist OVC010 30 28 92% 22 30.06 1018.0 0.02
16 01:56 NE 9 1.50 Light Snow Fog/Mist OVC010 30 28 92% 22 30.06 1017.9 0.02
16 00:56 NE 8 1.75 Light Snow Fog/Mist OVC019 30 28 35.1 30 92% 23 30.07 1018.2 0.02 0.02
15 23:56 E 12 2.50 Light Snow Fog/Mist OVC022 30.9 27 85% 22 30.08 1018.5
15 22:56 E 13 5.00 Light Snow BKN025 OVC036 33.1 26.1 75% 25 30.1 1019.1
15 21:56 E 13 9.00 Light Snow FEW035 OVC046 34 26.1 73% 26 30.1 1019.5
15 20:56 E 13 10.00 Overcast FEW035 BKN060 OVC075 34 27 76% 26 30.12 1020.0
15 19:56 SE 9 10.00 Overcast FEW035 OVC070 34 27 76% 27 30.1 1019.4
15 18:56 E 9 10.00 Overcast BKN070 OVC085 34 25 37.9 34 70% 27 30.08 1018.5
15 17:56 E 8 10.00 Overcast BKN070 OVC090 34 25 70% 28 30.07 1018.5
15 16:56 E 9 10.00 Overcast BKN070 BKN090 OVC200 35.1 25 67% 29 30.09 1018.9
15 15:56 E 7 10.00 Overcast SCT070 BKN085 OVC200 35.1 26.1 70% 30 30.09 1018.9
15 14:56 E 6 10.00 Overcast BKN070 BKN085 OVC190 37.9 23 55% 34 30.08 1018.7
15 13:56 E 6 10.00 Overcast BKN080 OVC230 37.9 23 55% 34 30.08 1018.5
15 12:56 NE 9 10.00 Overcast BKN080 OVC250 37 24.1 37 25 59% 31 30.08 1018.6
15 11:56 NE 10 10.00 Mostly Cloudy BKN075 BKN250 36 24.1 62% 29 30.09 1019.0
15 10:56 NE 12 10.00 Mostly Cloudy SCT075 BKN250 36 23 59% 29 30.1 1019.3
15 09:56 NE 12 10.00 Mostly Cloudy SCT075 SCT150 BKN250 36 25 64% 29 30.1 1019.2
15 08:56 NE 6 10.00 Mostly Cloudy FEW130 BKN250 34 24.1 67% 29 30.1 1019.3
15 07:56 N 6 8.00 Mostly Cloudy FEW130 BKN250 28.9 21.9 75% 23 30.08 1018.6
15 06:56 Calm 7.00 Mostly Cloudy BKN130 BKN250 25 21 26.1 23 85% 30.05 1017.7
15 05:56 Calm 7.00 Mostly Cloudy FEW130 BKN250 23 21 92% 30.04 1017.1
15 04:56 Calm 5.00 Fog/Mist CLR 25 21.9 88% 30.03 1017.0
15 03:56 Calm 6.00 Fog/Mist CLR 26.1 23 88% 30.03 1017.0
15 02:56 Calm 6.00 Fog/Mist CLR 25 21.9 88% 30.03 1017.0
15 01:56 Calm 5.00 Fog/Mist CLR 24.1 21 88% 30.05 1017.6
15 00:56 Calm 5.00 Fog/Mist CLR 24.1 21 35.1 24.1 88% 30.07 1018.2
14 23:56 Calm 6.00 Fog/Mist FEW250 26.1 23 88% 30.08 1018.7
14 22:56 Calm 8.00 A Few Clouds FEW250 24.1 21.9 91% 30.08 1018.7
14 21:56 Calm 10.00 A Few Clouds FEW250 28 24.1 85% 30.09 1018.9
14 20:56 Calm 10.00 A Few Clouds FEW250 28.9 24.1 82% 30.09 1019.0
14 19:56 Calm 10.00 A Few Clouds FEW250 33.1 25 72% 30.09 1018.8
14 18:56 Calm 10.00 Partly Cloudy FEW060 SCT250 35.1 25 43 33.1 67% 30.08 1018.6
14 17:56 W 3 10.00 Partly Cloudy SCT055 SCT250 36 24.1 62% 30.07 1018.2
14 16:56 SW 6 10.00 Partly Cloudy SCT055 SCT250 37.9 24.1 57% 34 30.04 1017.3
14 15:56 NW 13 10.00 Partly Cloudy FEW055 SCT250 42.1 23 47% 36 30.03 1016.9
14 14:56 NW 10 10.00 Partly Cloudy FEW048 SCT250 42.1 23 47% 37 30.02 1016.5
14 13:56 W 12 10.00 Partly Cloudy FEW041 SCT250 39.9 24.1 53% 34 30.02 1016.7
14 12:56 W 6 10.00 Mostly Cloudy BKN047 BKN065 BKN250 39 23 39 28 53% 35 30.04 1017.2
14 11:56 W 7 10.00 Mostly Cloudy SCT050 BKN070 BKN250 37.9 23 55% 33 30.05 1017.6
14 10:56 W 10 10.00 Mostly Cloudy BKN049 BKN060 BKN250 36 21.9 57% 29 30.07 1018.2
Date Time (est) 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)