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.
18 05:56 S 6 6.44 Light Snow Fog/Mist FEW010 OVC050 0 -1.1 92% 76.3 1017.2
18 04:56 E 6 4.83 Fog/Mist OVC060 -1.1 -1.7 96% 76.28 1017.1
18 03:56 Calm 4.02 Fog/Mist OVC080 -1.1 -1.7 96% 76.35 1017.9
18 02:56 Calm 4.02 Fog/Mist FEW120 -1.7 -2.2 96% 76.4 1018.6
18 01:56 Calm 4.83 Fog/Mist CLR -1.7 -2.2 96% 76.4 1018.7
18 00:56 Calm 4.83 Fog/Mist CLR -2.2 -2.8 1.1 -3.3 96% 76.43 1019.1
17 23:56 Calm 4.02 Fog/Mist SCT160 BKN250 -2.8 -2.8 100% 76.45 1019.3
17 22:56 Calm 9.66 Fog/Mist SCT160 BKN250 -1.7 -2.2 96% 76.48 1019.6
17 21:56 Calm 9.66 Fog/Mist BKN170 BKN250 -1.1 -1.7 96% 76.5 1019.9
17 20:56 SW 6 14.48 A Few Clouds FEW090 FEW250 -2.2 -2.2 100% 76.45 1019.4
17 19:56 Calm 16.09 Partly Cloudy FEW010 FEW090 SCT250 -0.6 -1.1 96% 76.48 1019.5
17 18:56 W 11 16.09 Mostly Cloudy BKN011 BKN090 1.1 -0.6 5 0.6 89% -2 76.45 1019.3 0.25
17 17:56 W 13 16.09 Overcast FEW009 OVC090 1.1 -0.6 89% -2 76.38 1018.3
17 16:56 SW 15 14.48 Mostly Cloudy SCT009 BKN080 BKN150 1.7 0 89% -2 76.33 1017.6
17 15:56 SW 15 9.66 Fog/Mist BKN007 OVC025 1.7 0.6 93% -2 76.28 1017.0 0.03 0.25
17 14:54 W 19 4.83 Light Rain Snow Fog/Mist BKN009 OVC015 1.7 0.6 93% -2 76.28 1016.9 0.2
17 13:56 SW 17 G 31 4.83 Light Snow BKN024 OVC029 2.8 -1.1 76% -1 76.23 1016.3 0.03
17 12:56 W 19 16.09 Overcast BKN050 OVC090 5 -6.1 6.7 1.1 45% 2 76.25 1016.6
17 11:56 SW 19 16.09 Overcast SCT050 OVC090 5.6 -5.6 45% 2 76.23 1016.2
17 10:56 SW 13 16.09 Overcast SCT080 OVC090 6.1 -5.6 43% 4 76.33 1017.5
17 09:56 SW 9 16.09 Mostly Cloudy SCT065 BKN085 BKN250 5 -3.3 55% 3 76.38 1018.4
17 08:56 W 7 16.09 Mostly Cloudy BKN060 BKN250 3.9 -5.6 50% 2 76.43 1018.9
17 07:56 SW 13 16.09 Mostly Cloudy BKN080 BKN120 BKN250 3.9 -5.6 50% 1 76.38 1018.3
17 06:56 Calm 16.09 Mostly Cloudy FEW090 BKN120 BKN250 1.7 -6.1 4.4 0.6 57% 76.35 1018.0
17 05:56 Calm 16.09 Mostly Cloudy FEW055 BKN080 BKN110 BKN250 3.3 -7.8 44% 76.38 1018.3
17 04:56 SW 20 G 33 16.09 Overcast OVC050 4.4 -8.3 40% 1 76.38 1018.2
17 03:56 SW 20 16.09 Overcast OVC080 4.4 -5 51% 1 76.38 1018.4
17 02:56 S 7 16.09 Overcast OVC090 2.2 -5 59% 0 76.43 1018.9
17 01:56 S 7 16.09 Fair CLR 0.6 -6.1 61% -1 76.43 1018.8
17 00:56 SW 11 16.09 Fair CLR 1.1 -8.9 1.7 -2.8 48% -2 76.4 1018.7
16 23:56 SW 17 16.09 Mostly Cloudy BKN080 BKN250 1.1 -7.8 52% -3 76.38 1018.4
16 22:56 SW 15 16.09 Mostly Cloudy SCT090 BKN250 0 -8.9 52% -4 76.43 1018.8
16 21:56 SW 15 16.09 Mostly Cloudy BKN095 BKN250 0 -9.4 50% -4 76.4 1018.5
16 20:56 SW 7 16.09 Mostly Cloudy BKN100 BKN250 -1.1 -10.6 49% -3 76.35 1018.1
16 19:56 SW 9 16.09 A Few Clouds FEW090 FEW250 -2.2 -11.1 51% -5 76.33 1017.5
16 18:56 W 11 16.09 A Few Clouds FEW250 -2.2 -11.7 49% -6 76.3 1017.3
16 17:56 SW 13 16.09 A Few Clouds FEW130 FEW250 -1.7 -12.2 45% -6 76.25 1016.6
16 16:56 W 13 16.09 Partly Cloudy FEW100 SCT130 SCT250 -1.1 -13.9 38% -5 76.2 0.0
16 15:56 W 26 16.09 Mostly Cloudy FEW100 SCT130 BKN250 0 -14.4 33% -6 76.12 0.0
16 14:56 W 20 G 35 16.09 Mostly Cloudy BKN100 BKN140 -0.6 -15 33% -6 76.02 0.0
16 13:56 W 22 G 41 16.09 Mostly Cloudy SCT110 BKN140 -1.1 -15.6 33% -7 75.95 0.0
16 12:56 W 26 G 39 16.09 Mostly Cloudy BKN150 -1.1 -13.9 38% -7 75.9 0.0
16 11:56 W 28 G 44 16.09 A Few Clouds FEW150 -2.2 -13.9 41% -9 75.87 1011.7
16 10:56 W 30 16.09 A Few Clouds FEW100 -2.8 -13.9 43% -10 75.82 1010.8
16 09:56 W 30 G 46 16.09 A Few Clouds FEW055 -3.9 -13.9 46% -11 75.79 1010.7
16 08:56 NW 24 G 50 16.09 A Few Clouds FEW055 -3.9 -15 42% -10 75.72 1009.6
16 07:56 W 35 G 48 16.09 A Few Clouds and Breezy FEW055 -5 -16.1 42% -13 75.64 1008.4
16 06:56 W 30 G 43 16.09 A Few Clouds FEW055 -5 -15 46% -12 75.51 1006.7
16 05:56 W 22 G 39 16.09 A Few Clouds FEW050 -5 -15 46% -11 75.41 1005.6
16 04:56 NW 28 G 44 16.09 Fair CLR 0 0 0% 75.31 0.0
16 03:56 NW 31 G 50 16.09 Partly Cloudy SCT043 0 0 0% 75.21 0.0
16 02:56 NW 28 G 54 16.09 Fair CLR 0 0 0% 75.11 0.0
16 01:56 W 28 G 50 16.09 Mostly Cloudy BKN041 0 0 0% 75.01 0.0
16 00:56 W 24 16.09 A Few Clouds FEW046 0 0 0% 74.96 0.0
15 23:56 W 22 G 43 16.09 A Few Clouds FEW050 FEW250 -3.9 -14.4 44% -10 74.96 999.4
15 22:56 W 19 16.09 A Few Clouds FEW050 FEW250 -3.3 -14.4 42% -9 74.98 999.6
15 21:56 W 24 G 41 16.09 Partly Cloudy FEW050 SCT250 -2.8 -14.4 41% -9 74.96 999.4
15 20:56 W 20 16.09 Partly Cloudy FEW050 SCT250 -2.2 -13.9 41% -8 74.93 998.8
15 19:56 W 28 G 44 16.09 A Few Clouds FEW050 FEW250 -1.7 -12.8 43% -8 74.96 999.1
15 18:56 W 22 16.09 A Few Clouds FEW250 -0.6 -11.7 43% -6 74.93 998.8
15 17:56 W 26 G 39 16.09 A Few Clouds FEW250 0.6 -11.1 42% -5 74.85 997.9
15 16:56 W 19 16.09 A Few Clouds FEW050 FEW250 1.1 -11.1 40% -3 74.83 997.6
15 15:56 W 30 G 44 16.09 A Few Clouds FEW050 FEW250 2.8 -10.6 37% -2 74.78 996.8
15 13:56 W 28 G 54 16.09 A Few Clouds FEW050 4.4 -10.6 33% -0 74.68 995.5
15 12:56 W 26 16.09 A Few Clouds FEW040 FEW070 5.6 -8.3 7.8 5 36% 2 74.68 995.6
15 11:56 W 35 G 44 16.09 Partly Cloudy and Breezy FEW030 SCT070 SCT250 5.6 -3.3 53% 1 74.7 995.8
15 10:56 W 28 16.09 Overcast BKN029 BKN036 OVC044 6.1 0.6 68% 2 74.68 995.7
15 09:56 W 26 G 43 16.09 Mostly Cloudy BKN021 BKN049 6.7 1.7 71% 3 74.68 995.5
15 08:56 W 19 16.09 Mostly Cloudy FEW023 BKN044 BKN085 6.7 2.8 76% 4 74.65 995.1
15 07:56 SW 11 16.09 Mostly Cloudy SCT045 BKN060 BKN100 BKN150 5.6 2.2 79% 3 74.57 994.2
15 06:56 SW 9 16.09 Overcast SCT055 BKN100 OVC150 5 2.2 7.8 5 82% 3 74.55 994.0
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)