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.
13 12:56 SW 28 G 44 16.09 Mostly Cloudy SCT120 BKN250 3.9 -7.2 45% -1 76.5 1020.0
13 11:56 S 19 G 30 16.09 Mostly Cloudy BKN250 3.9 -6.7 46% 0 76.5 1020.0
13 10:56 W 17 G 26 16.09 Mostly Cloudy BKN250 3.3 -8.9 41% -0 76.58 1021.0
13 09:56 W 19 G 28 16.09 Mostly Cloudy BKN250 2.2 -8.3 46% -2 76.61 1021.3
13 08:56 W 13 16.09 A Few Clouds FEW250 0.6 -7.8 54% -3 76.61 1021.4
13 07:56 W 9 16.09 Fair CLR -0.6 -8.3 1.1 -2.2 56% -3 76.56 1020.8
13 06:56 W 9 16.09 Fair CLR -1.7 -8.9 58% -5 76.53 1020.4
13 05:56 NW 15 16.09 A Few Clouds FEW060 -1.1 -9.4 54% -5 76.43 1018.9
13 04:56 NW 26 G 35 16.09 Fair CLR -0.6 -8.3 56% -6 76.28 1016.9
13 03:56 NW 20 G 41 16.09 Fair CLR 0 -7.8 56% -5 76.28 1016.9
13 02:56 NW 24 G 44 16.09 Fair CLR 0.6 -7.8 54% -5 76.25 1016.7
13 01:56 W 22 16.09 Fair CLR 0.6 -6.7 1.1 0.6 58% -4 76.25 1016.6 0.05
13 00:56 W 20 G 41 16.09 Fair CLR 1.1 -5.6 61% -3 76.2 1016.0
12 23:56 W 20 16.09 Partly Cloudy SCT060 1.1 -3.3 73% -3 76.15 1015.3
12 22:56 W 19 16.09 A Few Clouds FEW012 FEW055 1.1 -2.8 76% -3 76.07 1014.3 0.05
12 21:56 W 15 16.09 A Few Clouds FEW055 0.6 -1.1 89% -3 76.05 1013.9
12 20:56 W 15 14.48 Mostly Cloudy SCT007 BKN012 BKN035 BKN180 0.6 -0.6 92% -3 76.02 1013.6 0.05
12 19:56 W 17 3.22 Light Snow Fog/Mist BKN006 OVC012 0.6 0 4.4 0.6 96% -4 75.95 1012.4 0.05 0.43
12 18:56 W 11 2.41 Light Snow Fog/Mist BKN005 OVC012 0.6 0 96% -2 75.84 1011.3 0.1
12 17:56 NW 9 1.61 Light Snow Fog/Mist BKN004 OVC008 0.6 -0.6 92% -2 75.84 1011.0 0.15
12 16:56 NW 17 G 35 3.22 Light Rain Snow Fog/Mist BKN008 BKN011 OVC019 1.7 0.6 93% -2 75.72 1009.4 0.1 0.13
12 15:56 NW 24 G 35 9.66 Light Rain Snow Fog/Mist BKN012 BKN050 OVC070 2.8 1.1 89% -2 75.67 1008.6 0.03
12 14:56 NW 17 9.66 Light Rain FEW017 BKN027 OVC065 4.4 1.7 83% 1 75.57 1007.6
12 13:56 NW 22 G 37 16.09 Light Rain FEW015 BKN021 OVC050 4.4 1.7 12.8 4.4 83% 0 75.51 1006.9 0.05 0.05
12 12:56 NW 22 G 39 16.09 Light Rain OVC019 6.1 1.7 74% 3 75.54 1007.2
12 11:56 NW 24 16.09 Overcast OVC016 6.7 2.2 73% 3 75.54 1007.1
12 10:56 NW 28 G 39 16.09 Overcast BKN019 OVC047 8.3 4.4 77% 5 75.44 1005.7
12 09:56 NW 31 G 56 16.09 Overcast FEW010 SCT032 OVC041 10.6 7.2 80% 75.34 1004.2
12 08:56 NW 35 G 54 9.66 Overcast with Haze and Breezy FEW007 SCT015 OVC029 12.8 8.9 77% 75.21 1002.5
12 07:56 SW 15 4.02 Fog/Mist SCT004 BKN050 BKN180 BKN250 8.9 8.3 12.8 8.3 96% 7 75.08 1001.0
12 06:56 SW 11 4.02 Fog/Mist FEW003 SCT120 BKN190 BKN250 8.9 7.8 93% 7 75.01 1000.0
12 05:56 S 9 4.02 Fog/Mist BKN003 8.3 8.3 100% 7 75.03 1000.4
12 04:56 S 11 2.82 Fog/Mist OVC002 8.9 8.9 100% 7 75.06 1000.5
12 03:56 S 13 4.83 Fog/Mist OVC003 10 9.4 96% 8 75.11 1001.3
12 02:56 S 11 8.05 Fog/Mist BKN006 OVC100 10.6 10 96% 75.21 1002.4
12 01:56 SW 19 14.48 Partly Cloudy SCT110 12.8 11.1 13.3 10.6 90% 75.26 1003.1 0.1 0.18
12 00:56 W 22 G 39 12.87 Mostly Cloudy SCT055 BKN075 BKN110 11.7 10 89% 75.41 1005.4
11 23:56 S 11 12.87 Light Rain SCT065 OVC100 10.6 9.4 92% 75.26 1003.4 0.08
11 22:56 SW 28 G 48 16.09 Overcast FEW007 SCT045 BKN075 BKN130 OVC190 12.8 11.1 90% 75.44 1005.8
11 20:56 SW 22 G 43 16.09 Overcast FEW008 BKN120 OVC160 12.2 10.6 90% 75.59 1007.7
11 19:56 SW 28 G 41 16.09 Mostly Cloudy FEW009 BKN160 BKN230 11.7 9.4 16.1 11.7 86% 75.62 1008.1
11 18:56 SW 28 G 48 16.09 Mostly Cloudy FEW009 SCT130 BKN250 12.8 10.6 87% 75.59 1007.8
11 17:56 S 24 G 46 14.48 Mostly Cloudy FEW009 SCT130 BKN230 12.8 10.6 87% 75.64 1008.4
11 16:56 S 30 G 46 16.09 Mostly Cloudy FEW008 SCT055 BKN110 BKN140 BKN250 15 11.7 81% 75.69 1008.9
11 15:56 S 20 G 33 16.09 Mostly Cloudy FEW007 SCT065 BKN110 BKN140 BKN250 13.3 10 81% 75.74 1009.6
11 14:56 S 28 G 41 16.09 Mostly Cloudy SCT007 BKN070 BKN110 BKN150 BKN250 13.3 11.1 87% 75.84 1011.1
11 13:56 S 20 G 46 14.48 Mostly Cloudy SCT009 BKN065 BKN120 BKN250 14.4 11.1 15.6 8.3 81% 75.92 1012.0
11 12:56 S 20 G 35 16.09 Mostly Cloudy FEW015 SCT065 BKN110 BKN150 BKN250 15 11.1 78% 76 1013.0
11 11:56 S 19 16.09 Partly Cloudy FEW015 FEW110 SCT150 SCT250 14.4 10.6 78% 76.02 1013.6
11 10:56 S 19 16.09 Partly Cloudy FEW090 FEW150 SCT250 14.4 9.4 72% 76.1 1014.3
11 09:56 S 13 16.09 A Few Clouds FEW150 FEW250 13.3 9.4 77% 76.07 1014.2
11 08:56 S 11 16.09 A Few Clouds FEW250 11.1 7.2 77% 76.12 1014.8
11 07:56 S 7 16.09 A Few Clouds FEW090 FEW250 8.3 6.1 8.9 7.2 86% 7 76.12 1014.9
11 06:56 SE 9 16.09 Partly Cloudy SCT090 SCT250 7.8 5 83% 6 76.1 1014.6
11 05:56 SE 6 16.09 Mostly Cloudy SCT100 BKN250 7.8 5 83% 76.12 1014.9
11 04:56 SE 7 16.09 Partly Cloudy SCT090 7.8 4.4 79% 7 76.15 1015.2
11 03:56 SE 7 16.09 Partly Cloudy SCT090 8.3 4.4 77% 7 76.15 1015.3
11 02:56 SE 6 16.09 Mostly Cloudy BKN080 7.8 5 83% 76.17 1015.5
11 01:56 Calm 16.09 Fair CLR 8.9 4.4 12.2 8.9 74% 76.17 1015.4
11 00:56 S 7 16.09 Fair CLR 10.6 4.4 66% 76.17 1015.6
10 23:56 SW 6 16.09 A Few Clouds FEW250 11.1 3.9 61% 76.2 1015.8
10 22:56 SW 13 16.09 A Few Clouds FEW250 11.7 3.9 59% 76.2 1015.9
10 21:56 SW 9 16.09 A Few Clouds FEW250 11.7 3.9 59% 76.2 1016.0
10 20:56 S 6 16.09 A Few Clouds FEW250 11.1 5 66% 76.2 1015.8
10 19:56 SE 7 16.09 A Few Clouds FEW250 11.1 5.6 18.3 11.1 69% 76.2 1015.8
10 17:56 SW 20 16.09 A Few Clouds FEW250 16.7 3.9 43% 76.15 1015.1
10 16:56 SW 19 16.09 A Few Clouds FEW250 17.8 5 43% 76.12 1015.0
10 15:56 S 11 16.09 A Few Clouds FEW250 17.2 8.9 58% 76.12 1015.1
10 14:56 S 13 16.09 A Few Clouds FEW250 17.2 8.9 58% 76.15 1015.2
10 13:56 S 15 16.09 A Few Clouds FEW250 17.8 8.3 19.4 3.3 54% 76.17 1015.4
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)