Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Metric (Imperial)
Date Time (est) 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.
20 02:56 E 13 16.09 Overcast OVC060 1.7 -0.6 85% -2 76.17 1015.6
20 01:56 E 13 16.09 Mostly Cloudy BKN060 1.7 -0.6 85% -2 76.15 1015.2
20 00:56 E 13 16.09 Overcast SCT043 OVC060 2.2 -0.6 2.2 1.7 82% -1 76.2 1015.9
19 23:56 E 13 16.09 Overcast FEW045 OVC055 2.2 -0.6 82% -1 76.25 1016.5
19 22:56 E 11 16.09 Overcast OVC043 2.2 -0.6 82% -1 76.28 1017.0
19 21:56 E 15 16.09 Overcast BKN047 OVC190 1.7 -1.1 82% -2 76.28 1016.9
19 20:56 E 13 16.09 Overcast BKN048 OVC190 1.7 -1.7 78% -2 76.33 1017.5
19 19:56 E 7 16.09 Overcast BKN050 OVC190 1.7 -1.7 78% -0 76.38 1018.4
19 18:56 SE 7 16.09 Overcast FEW040 OVC180 2.2 -1.7 4.4 2.2 76% 0 76.38 1018.3
19 17:56 E 11 16.09 Overcast OVC040 2.2 -1.7 76% -1 76.35 1017.9
19 16:56 E 17 16.09 Overcast OVC042 2.2 -1.7 76% -2 76.38 1018.4
19 15:56 SE 15 16.09 Overcast OVC042 2.8 -2.2 70% -1 76.4 1018.6
19 14:56 E 17 16.09 Overcast OVC042 2.8 -2.8 67% -1 76.35 1018.0
19 13:56 E 15 16.09 Overcast OVC041 3.9 -4.4 55% 1 76.38 1018.1
19 12:56 E 13 16.09 Overcast OVC042 4.4 -4.4 4.4 1.7 53% 2 76.35 1018.0
19 11:56 NE 11 16.09 Overcast OVC043 3.9 -5.6 50% 1 76.4 1018.8
19 10:56 E 13 16.09 Overcast OVC043 3.3 -5.6 52% 0 76.45 1019.1
19 09:56 E 11 16.09 Overcast OVC042 2.8 -5.6 54% 0 76.4 1018.7
19 08:56 E 13 16.09 Overcast OVC038 2.2 -5.6 57% -1 76.4 1018.6
19 07:56 NE 13 16.09 Overcast OVC038 1.7 -4.4 64% -2 76.35 1017.9
19 06:56 NE 15 16.09 Overcast OVC035 1.7 -3.9 2.2 1.7 67% -2 76.25 1016.5
19 05:56 E 11 16.09 Overcast OVC030 1.7 -3.9 67% -1 76.17 1015.7
19 04:56 NE 11 16.09 Overcast OVC032 1.7 -3.9 67% -1 76.12 1014.9
19 03:56 NE 13 16.09 Overcast OVC032 1.7 -2.8 72% -2 76.1 1014.5
19 02:56 NE 11 14.48 Overcast OVC029 2.2 0 86% -1 76.02 1013.7
19 01:56 N 15 8.05 Fog/Mist OVC027 2.2 1.1 93% -1 75.97 1012.8
19 00:56 N 11 6.44 Fog/Mist OVC024 2.2 1.7 2.2 1.7 97% -1 75.92 1012.2 0.08
18 23:56 N 11 9.66 Fog/Mist OVC021 2.2 1.7 97% -1 75.87 1011.5
18 22:56 N 11 4.02 Light Drizzle Fog/Mist SCT005 BKN015 OVC021 1.7 1.1 96% -1 75.79 1010.4
18 21:56 N 6 3.22 Light Drizzle Fog/Mist BKN009 OVC015 1.7 1.7 100% 75.79 1010.4 0.05 0.08
18 20:56 N 6 3.22 Light Rain Fog/Mist BKN005 OVC014 2.2 1.7 97% 75.77 1010.2 0.03
18 19:56 N 9 3.22 Fog/Mist FEW006 BKN027 OVC042 2.2 1.7 97% -0 75.64 1008.4
18 18:56 NE 13 3.22 Light Rain Fog/Mist SCT007 BKN017 OVC050 2.2 1.1 3.9 2.2 93% -1 75.62 1008.1
18 17:56 NW 6 3.22 Fog/Mist BKN007 OVC013 2.2 1.7 97% 75.64 1008.5
18 16:56 N 11 4.83 Fog/Mist OVC009 2.2 1.1 93% -1 75.57 1007.5
18 15:56 N 9 4.83 Fog/Mist OVC007 2.8 1.7 93% 1 75.54 1007.1
18 14:56 NE 9 4.83 Fog/Mist OVC005 3.9 3.3 96% 2 75.57 1007.5
18 13:56 NE 9 4.83 Fog/Mist OVC003 3.3 2.8 97% 1 75.57 1007.5
18 12:56 NE 7 2.41 Fog/Mist OVC003 2.8 2.8 3.3 0 100% 1 75.67 1008.7 0.18
18 11:56 E 6 2.41 Light Rain Fog/Mist OVC004 2.2 2.2 100% 75.77 1010.2 0.1
18 10:56 W 6 2.01 Light Rain Fog/Mist OVC002 1.7 1.7 100% 75.95 1012.4 0.05
18 09:56 Calm 0.80 Light Rain Fog OVC002 1.1 1.1 100% 75.97 1012.9 0.03 0.03
18 08:56 SW 11 0.40 Fog/Mist OVC002 1.1 0.6 97% -2 76.05 1013.8
18 07:56 Calm 1.21 Fog/Mist BKN002 BKN006 0.6 0 96% 76.05 1014.0
18 06:56 SE 6 0.21 Fog VV002 0 -0.6 0 -0.6 96% 76.1 1014.5
18 05:56 Calm 0.21 Fog VV002 0 -0.6 96% 76.15 1015.1
18 04:56 Calm 0.80 Freezing Fog VV002 -0.6 -0.6 100% 76.17 1015.5
18 03:56 Calm 0.40 Freezing Fog VV002 -0.6 -1.1 96% 76.2 1015.9
18 02:56 SW 9 0.40 Freezing Fog VV001 -0.6 -1.1 96% -3 76.25 1016.6
18 01:56 SW 9 0.40 Fog VV001 0 0 100% -3 76.33 1017.4
18 00:56 SW 9 4.02 Fog/Mist FEW002 SCT006 0 -0.6 1.1 -1.1 96% -3 76.33 1017.7
17 23:56 SW 7 4.83 Fog/Mist FEW010 BKN250 -0.6 -0.6 100% -3 76.35 1018.0
17 22:56 SW 6 4.83 Fog/Mist FEW010 BKN250 -0.6 -1.1 96% 76.38 1018.4
17 21:56 Calm 4.83 Fog/Mist FEW010 BKN250 0.6 0 96% 76.4 1018.6
17 20:56 SW 6 4.83 Fog/Mist FEW010 BKN250 0.6 0 96% 76.45 1019.2
17 19:56 SW 7 4.83 Fog/Mist FEW010 BKN250 0.6 0 96% -1 76.45 1019.3
17 18:56 SW 6 6.44 Fog/Mist FEW010 BKN250 0.6 0 2.8 0.6 96% 76.43 1019.0
17 17:56 S 7 8.05 Fog/Mist FEW007 BKN250 1.7 0.6 93% -0 76.4 1018.7
17 16:56 SW 7 8.05 Fog/Mist FEW007 BKN250 2.2 0.6 89% 0 76.4 1018.7
17 15:56 SW 11 4.83 Fog/Mist OVC007 2.2 0.6 89% -1 76.4 1018.6
17 14:56 SW 17 3.22 Fog/Mist OVC005 1.7 0.6 93% -2 76.38 1018.4
17 13:56 SW 15 2.41 Fog/Mist OVC003 1.7 0.6 93% -2 76.4 1018.8
17 12:56 SW 17 0.80 Fog OVC002 1.1 0.6 1.7 1.1 97% -3 76.45 1019.3
17 11:56 SW 17 1.61 Fog/Mist OVC003 1.1 0.6 97% -3 76.5 1020.1
17 10:56 SW 20 6.44 Fog/Mist OVC005 1.1 0 92% -3 76.53 1020.5
17 09:56 SW 22 8.05 Fog/Mist OVC007 1.7 0 89% -3 76.56 1020.8
17 08:56 SW 19 6.44 Fog/Mist OVC007 1.1 -0.6 89% -3 76.58 1021.0
17 07:56 SW 17 8.05 Fog/Mist BKN007 BKN011 OVC023 1.1 -0.6 89% -3 76.61 1021.3
17 06:56 SW 13 12.87 Overcast BKN019 OVC026 1.1 -1.1 1.1 -5 85% -2 76.61 1021.3
17 05:56 S 11 12.87 Overcast BKN017 OVC026 0.6 -1.1 89% -2 76.58 1020.9
17 04:56 S 6 12.87 Overcast FEW022 OVC029 0 -1.7 88% 76.58 1020.9
17 03:56 SW 6 11.27 Mostly Cloudy BKN037 -1.1 -2.2 92% 76.56 1020.6
Date Time (est) 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)