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.
19 21:56 Calm 16.09 Mostly Cloudy FEW050 BKN070 BKN250 5 3.3 89% 76.38 1018.2
19 20:56 Calm 16.09 Partly Cloudy FEW055 SCT250 5 2.8 86% 76.28 1017.0
19 19:56 N 7 16.09 Partly Cloudy FEW025 FEW055 SCT250 5 2.2 9.4 5 82% 4 76.17 1015.5 0.08
19 18:56 NW 17 16.09 Mostly Cloudy SCT024 SCT055 SCT150 BKN250 6.1 2.8 80% 3 76.12 1014.8
19 17:56 N 28 16.09 Mostly Cloudy SCT019 BKN032 BKN150 BKN250 6.7 2.8 76% 3 76.05 1013.8
19 16:56 N 22 16.09 Overcast FEW011 BKN017 BKN065 OVC130 5.6 3.9 89% 2 75.95 1012.5 0.05 0.08
19 15:56 N 28 16.09 Overcast FEW014 BKN019 OVC080 6.7 3.9 83% 3 75.9 1011.8
19 14:56 NW 31 G 41 12.87 Light Rain FEW013 BKN024 OVC065 7.8 5 83% 4 75.87 1011.4 0.03
19 13:56 NW 31 G 52 16.09 Overcast SCT020 OVC055 9.4 4.4 10.6 8.9 71% 6 75.79 1010.5
19 12:56 NW 22 G 44 16.09 Overcast SCT018 OVC043 10 6.7 80% 7 75.72 1009.3
19 11:56 NW 22 G 44 12.87 Light Rain FEW008 BKN013 OVC026 10 8.9 93% 7 75.72 1009.5
19 10:56 NW 26 2.41 Fog/Mist OVC003 9.4 8.9 97% 6 75.67 1008.7
19 09:56 NW 20 1.21 Light Drizzle Fog/Mist OVC002 8.9 8.9 100% 6 75.59 1007.7
19 08:56 N 9 0.40 Light Drizzle Fog/Mist OVC003 10 9.4 96% 9 75.57 1007.5
19 07:56 Calm 0.80 Light Drizzle OVC003 8.9 8.9 8.9 8.3 100% 75.59 1007.7
19 06:56 E 13 0.80 Light Drizzle OVC002 8.9 8.3 96% 7 75.59 1007.6
19 05:56 E 13 1.61 Light Drizzle OVC003 8.9 8.3 96% 7 75.64 1008.5
19 04:56 SE 9 4.83 Fog/Mist OVC003 8.9 8.3 96% 8 75.77 1010.0
19 03:56 SE 9 1.61 Fog/Mist VV002 8.9 8.3 96% 8 75.82 1010.8
19 02:56 SE 13 4.02 Fog/Mist OVC002 8.3 7.8 97% 6 75.87 1011.4
19 01:56 SE 13 11.27 Overcast OVC003 8.3 7.8 10 8.3 97% 6 75.95 1012.5
19 00:56 SE 13 6.44 Fog/Mist OVC002 8.3 7.8 97% 6 76.05 1013.7
18 23:56 SE 13 2.41 Light Drizzle Fog/Mist VV002 8.3 8.3 100% 6 76.05 1013.8
18 22:56 SE 15 1.21 Light Drizzle Fog/Mist VV002 8.9 8.3 96% 7 76.07 1014.1
18 21:56 SE 20 2.41 Light Drizzle Fog/Mist VV002 8.9 8.3 96% 6 76.15 1015.2
18 20:56 SE 15 4.83 Light Drizzle Fog/Mist OVC004 9.4 8.3 93% 7 76.17 1015.4
18 19:56 SE 19 12.87 Light Drizzle OVC006 10 8.3 15.6 10 89% 8 76.15 1015.2
18 18:56 SE 22 16.09 Overcast BKN009 BKN013 OVC250 10.6 8.3 86% 76.15 1015.1
18 17:56 SE 24 16.09 Mostly Cloudy FEW009 BKN016 BKN250 12.8 8.9 77% 76.2 1015.8
18 16:56 S 17 16.09 Mostly Cloudy FEW010 BKN019 BKN250 13.9 9.4 74% 76.23 1016.2
18 15:56 SE 17 16.09 Mostly Cloudy FEW011 BKN021 14.4 9.4 72% 76.25 1016.6
18 14:56 SE 19 16.09 Mostly Cloudy FEW010 BKN022 15 10 72% 76.33 1017.6
18 13:56 SE 17 16.09 Overcast OVC019 15 10.6 15 12.2 75% 76.38 1018.2
18 12:56 E 13 16.09 Overcast OVC016 15 10 72% 76.4 1018.5
18 11:56 E 13 16.09 Overcast OVC013 13.3 10 81% 76.4 1018.6
18 10:56 Vrbl 11 16.09 Overcast OVC010 12.8 10 83% 76.45 1019.1
18 09:56 NE 15 16.09 Overcast OVC010 12.2 9.4 83% 76.43 1018.9
18 08:56 E 19 16.09 Mostly Cloudy BKN010 BKN250 12.2 9.4 83% 76.4 1018.6
18 07:56 E 20 G 41 16.09 Partly Cloudy FEW012 SCT250 13.3 9.4 13.3 8.9 77% 76.35 1018.0
18 06:56 N 9 16.09 A Few Clouds FEW250 11.1 9.4 89% 76.33 1017.7
18 05:56 N 9 16.09 A Few Clouds FEW250 10 8.9 93% 9 76.33 1017.3
18 04:56 NE 7 16.09 Fair CLR 9.4 8.9 97% 9 76.3 1017.1
18 03:56 NW 7 16.09 Fair CLR 10 9.4 96% 9 76.3 1017.1
18 02:56 N 7 16.09 Fair CLR 11.1 10.6 97% 76.3 1017.3
18 01:56 N 6 16.09 Fair CLR 11.7 10.6 15 11.1 93% 76.28 1016.8
18 00:56 E 6 16.09 Fair CLR 11.7 10.6 93% 76.25 1016.4
17 23:56 E 6 16.09 A Few Clouds FEW100 12.2 10.6 90% 76.23 1016.2
17 22:56 Calm 16.09 A Few Clouds FEW075 FEW095 12.8 11.1 90% 76.25 1016.4
17 21:56 E 13 16.09 Mostly Cloudy FEW006 BKN075 BKN100 13.3 11.1 87% 76.25 1016.4
17 20:56 E 13 16.09 Mostly Cloudy FEW008 BKN095 13.9 11.7 87% 76.2 1015.7
17 19:56 SE 15 16.09 Mostly Cloudy FEW020 FEW040 BKN080 BKN130 BKN200 15 12.2 26.7 15 83% 76.1 1014.6
17 18:56 E 28 G 39 16.09 Partly Cloudy FEW040 FEW075 SCT120 SCT200 20.6 13.9 66% 76 1013.0
17 17:56 NE 22 16.09 Mostly Cloudy FEW030 FEW050 SCT085 BKN130 23.9 13.3 52% 25 75.9 1011.7
17 16:56 Vrbl 9 16.09 Mostly Cloudy BKN055TCU BKN075 BKN130 23.9 13.3 52% 25 75.82 1010.8
17 15:56 Vrbl 9 16.09 Partly Cloudy SCT055TCU SCT080 SCT130 SCT250 25.6 13.9 48% 26 75.77 1009.9
17 14:56 SW 15 16.09 Mostly Cloudy BKN055TCU BKN070 BKN130 24.4 15 56% 26 75.77 1010.1
17 13:56 S 15 16.09 Partly Cloudy SCT055 SCT070 SCT130 SCT250 24.4 14.4 26.1 17.2 54% 26 75.77 1010.1
17 12:56 N 9 16.09 Mostly Cloudy SCT044 SCT100 BKN250 25 11.7 43% 26 75.77 1010.1
17 11:56 N 13 G 31 16.09 Mostly Cloudy SCT040 BKN100 BKN250 25 13.3 48% 26 75.79 1010.4
17 10:56 W 7 16.09 Partly Cloudy FEW055 SCT120 SCT250 23.3 13.3 54% 75.79 1010.3
17 09:56 Calm 16.09 Partly Cloudy FEW050 SCT110 SCT250 22.2 15 64% 75.79 1010.4
17 08:56 Calm 16.09 Partly Cloudy SCT050 SCT110 SCT250 18.9 15.6 81% 75.77 1010.0
17 07:56 NW 11 16.09 Mostly Cloudy FEW040 BKN110 BKN250 17.2 14.4 17.2 13.9 84% 75.74 1009.9
17 06:56 NW 9 16.09 Mostly Cloudy FEW050 BKN120 BKN250 16.1 13.9 87% 75.72 1009.4
17 05:56 N 11 16.09 Mostly Cloudy FEW095 BKN120 BKN250 15.6 12.8 84% 75.57 1007.5
17 04:56 Calm 16.09 A Few Clouds FEW120 14.4 12.2 87% 75.54 1006.9
17 03:56 Calm 16.09 Fair CLR 14.4 11.7 84% 75.54 1006.9
17 02:56 W 6 16.09 Fair CLR 14.4 12.2 87% 75.54 1007.0
17 01:56 SW 6 16.09 Fair CLR 15 12.2 16.7 14.4 83% 75.54 1007.1
17 00:56 SW 11 16.09 Fair CLR 14.4 11.7 84% 75.51 1006.8
16 23:56 SW 17 16.09 Mostly Cloudy BKN250 15 12.2 83% 75.54 1007.0
16 22:56 SW 17 16.09 Mostly Cloudy BKN250 15.6 12.2 80% 75.57 1007.2
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)