3 day Weather History for Islip, Long Island Mac Arthur Airport - KISP
Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature
(° F)
Air|Dew|6 Hour
  |Pnt|Mx. Mn.		 Relative Humidity Wind Chill
(° F)		Heat Index
(° F)		Pressure
altimeter sea   level
(in)  (mb)		Precipitation (in)
1 hr 3 hr 6 hr
20 19:56 W 9 10.00 Fair CLR 17.1 -0.9 45% 7 30.44 1030.7
20 18:56 W 13 10.00 A Few Clouds FEW050 18 -0.9 21.9 18 43% 6 30.41 1029.8
20 17:56 W 13 10.00 A Few Clouds FEW050 19 -0.9 41% 7 30.38 1028.8
20 16:56 W 9 10.00 A Few Clouds FEW050 19.9 -2 38% 10 30.34 1027.4
20 15:56 W 15 10.00 A Few Clouds FEW050 21 -2 36% 8 30.3 1026.2
20 14:56 W 16 10.00 A Few Clouds FEW050 21 -0.9 38% 8 30.27 1025.2
20 13:56 NW 18 G 23 10.00 A Few Clouds FEW050 21 -0.9 38% 7 30.25 1024.5
20 12:56 W 17 G 28 10.00 A Few Clouds FEW045 21 -0.9 21 17.1 38% 8 30.26 1024.7
20 11:56 W 15 G 24 10.00 A Few Clouds FEW045 21 1 41% 8 30.26 1024.9
20 09:56 W 13 G 24 10.00 A Few Clouds FEW040 FEW150 19.9 -0 41% 8 30.26 1024.9
20 08:56 W 13 10.00 Partly Cloudy SCT150 19 1.9 47% 7 30.25 1024.4
20 07:56 W 12 10.00 Fair CLR 18 3 52% 6 30.23 1023.9
20 06:56 W 14 10.00 Fair CLR 18 3 25 18 52% 5 30.2 1022.9
20 05:56 W 12 10.00 A Few Clouds FEW250 19 3 49% 8 30.18 1022.3
20 04:56 W 12 10.00 Fair CLR 19 3.9 52% 8 30.16 1021.3
20 03:56 W 9 10.00 Fair CLR 19.9 3.9 50% 10 30.14 1020.8
20 02:56 W 12 10.00 Fair CLR 21 3 45% 10 30.13 1020.5
20 01:56 W 12 10.00 Fair CLR 21.9 5 48% 11 30.11 1019.7
20 00:56 W 20 G 36 10.00 Fair CLR 25 1.9 30.9 25 37% 12 30.09 1018.9
19 23:56 W 12 10.00 Partly Cloudy SCT250 27 10.9 51% 17 30.07 1018.4
19 22:56 W 15 G 26 10.00 A Few Clouds FEW055 28.9 10 45% 18 30.05 1017.7
19 21:56 W 18 G 30 10.00 A Few Clouds FEW055 30.9 16 54% 20 30.03 1017.1
19 20:56 SW 9 10.00 A Few Clouds FEW070 28 17.1 63% 20 30.02 1016.5
19 19:56 SW 5 10.00 A Few Clouds FEW055 27 15.1 61% 22 30.01 1016.4
19 18:56 SW 5 10.00 A Few Clouds FEW045 27 12.9 32 26.1 55% 22 30.01 1016.2
19 17:56 SW 6 10.00 A Few Clouds FEW045 27 14 58% 21 30 1015.9
19 16:56 W 16 G 24 10.00 Partly Cloudy SCT038 SCT050 28.9 14 54% 18 29.99 1015.5
19 15:56 W 13 10.00 Light Snow BKN038 30.9 18 59% 22 29.96 1014.6
19 14:56 W 14 G 25 10.00 Partly Cloudy SCT040 30.9 18 59% 21 29.92 1013.2
19 13:56 W 23 G 30 10.00 A Few Clouds and Breezy FEW032 30.9 16 54% 19 29.9 1012.6
19 12:56 W 17 G 26 10.00 A Few Clouds FEW027 FEW100 30 17.1 30 27 58% 19 29.91 1013.0
19 11:56 W 16 10.00 A Few Clouds FEW023 FEW100 28 16 60% 17 29.92 1013.3
19 10:56 W 16 10.00 A Few Clouds FEW020 FEW100 28 18 66% 17 29.93 1013.6
19 09:56 W 8 10.00 A Few Clouds FEW017 27 21 78% 19 29.93 1013.5
19 08:56 W 8 7.00 Partly Cloudy SCT011 27 21.9 81% 19 29.91 1012.9
19 07:56 W 12 8.00 Overcast SCT009 OVC013 28 25 88% 19 29.89 1012.0
19 06:56 W 7 9.00 Mostly Cloudy SCT016 BKN028 28.9 26.1 30.9 27 89% 23 29.88 1011.8
19 05:56 W 9 10.00 Mostly Cloudy BKN022 BKN031 28.9 25 85% 21 29.87 1011.5
19 04:56 W 7 10.00 Mostly Cloudy SCT033 BKN060 27 24.1 89% 20 29.84 1010.4
19 03:56 W 7 10.00 Overcast SCT037 OVC060 28 26.1 92% 22 29.81 1009.6
19 02:56 NW 7 10.00 A Few Clouds FEW032 28 27 96% 22 29.8 1009.1
19 01:56 NW 7 10.00 Mostly Cloudy FEW034 BKN060 30 28 92% 24 29.8 1009.1
19 00:56 NW 9 3.00 Light Snow Fog/Mist SCT007 SCT024 OVC055 30.9 28.9 33.1 30.9 92% 24 29.78 1008.5 0.05
18 23:56 NW 12 4.00 Light Snow Fog/Mist BKN008 OVC011 32 30 92% 24 29.78 1008.5
18 22:56 N 10 2.00 Light Snow Fog/Mist BKN008 OVC011 33.1 30.9 92% 26 29.78 1008.4
18 21:56 N 14 2.00 Light Snow Fog/Mist VV006 33.1 30.9 92% 24 29.78 1008.5 0.01 0.05
18 20:56 N 13 1.00 Light Snow Fog/Mist VV005 32 30.9 96% 23 29.8 1009.3 0.01
18 19:56 NW 7 1.00 Light Snow Fog/Mist BKN005 BKN008 OVC014 32 30.9 96% 26 29.82 1009.7 0.03
18 18:52 NE 6 1.50 Light Snow Fog/Mist OVC005 33.1 32 33.1 33.1 96% 28 29.81 1009.4 0.01 0.05
18 17:56 NE 8 2.50 Light Snow Fog/Mist BKN004 OVC010 33.1 32 96% 27 29.8 1009.0 0.01
18 16:56 NE 7 1.50 Light Snow Rain Fog/Mist OVC004 33.1 32 96% 28 29.82 1009.9 0.01
18 15:56 NE 8 2.00 Light Snow Fog/Mist BKN004 OVC010 33.1 32 96% 27 29.85 1010.8 0.02 0.02
18 14:56 NE 8 2.00 Light Snow Rain Fog/Mist OVC003 33.1 32 96% 27 29.89 1012.1
18 13:56 NE 8 1.00 Light Snow Fog/Mist BKN003 OVC015 33.1 32 96% 27 29.91 1012.7
18 12:56 NE 8 1.50 Light Snow Fog/Mist BKN003 OVC016 33.1 32 33.1 32 96% 27 29.95 1014.2 0.01 0.17
18 10:56 N 5 1.00 Light Snow Fog/Mist OVC028 33.1 32 96% 29 30.03 1017.0 0.02
18 09:56 Calm 1.00 Light Snow Fog/Mist BKN011 OVC022 32 30.9 96% 30.06 1018.0 0.02 0.11
18 08:56 NE 3 0.50 Light Snow Fog/Mist BKN007 OVC012 32 30.9 96% 30.07 1018.4 0.03
18 07:56 Calm 0.50 Light Snow Fog/Mist OVC009 32 30.9 96% 30.08 1018.6 0.06
18 06:56 Calm 4.00 Light Rain Snow Fog/Mist FEW009 OVC022 33.1 32 34 28 96% 30.07 1018.1 0.02 0.02
18 05:56 S 3 4.00 Light Snow Fog/Mist FEW010 OVC050 32 30 92% 30.04 1017.2
18 04:56 E 3 3.00 Fog/Mist OVC060 30 28.9 96% 30.03 1017.1
18 03:56 Calm 2.50 Fog/Mist OVC080 30 28.9 96% 30.06 1017.9
18 02:56 Calm 2.50 Fog/Mist FEW120 28.9 28 96% 30.08 1018.6
18 01:56 Calm 3.00 Fog/Mist CLR 28.9 28 96% 30.08 1018.7
18 00:56 Calm 3.00 Fog/Mist CLR 28 27 34 26.1 96% 30.09 1019.1
17 23:56 Calm 2.50 Fog/Mist SCT160 BKN250 27 27 100% 30.1 1019.3
17 22:56 Calm 6.00 Fog/Mist SCT160 BKN250 28.9 28 96% 30.11 1019.6
17 21:56 Calm 6.00 Fog/Mist BKN170 BKN250 30 28.9 96% 30.12 1019.9
17 20:56 SW 3 9.00 A Few Clouds FEW090 FEW250 28 28 100% 30.1 1019.4
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Relative Humidity Wind Chill
(° F)		Heat Index
(° F)
Temperature
(° F)
Air|Dew|6 Hour
  |Pnt|Mx. Mn.		Pressure
altimeter sea   level
(in)  (mb)		Precipitation (in)
1 hr 3 hr 6 hr

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