Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
| 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. | ||||||||||||||||
| 19 | 06:56 | W 11 | 14.48 | Mostly Cloudy | SCT016 BKN028 | -1.7 | -3.3 | -0.6 | -2.8 | 89% | -5 | 75.9 | 1011.8 | ||||
| 19 | 05:56 | W 15 | 16.09 | Mostly Cloudy | BKN022 BKN031 | -1.7 | -3.9 | 85% | -6 | 75.87 | 1011.5 | ||||||
| 19 | 04:56 | W 11 | 16.09 | Mostly Cloudy | SCT033 BKN060 | -2.8 | -4.4 | 89% | -7 | 75.79 | 1010.4 | ||||||
| 19 | 03:56 | W 11 | 16.09 | Overcast | SCT037 OVC060 | -2.2 | -3.3 | 92% | -6 | 75.72 | 1009.6 | ||||||
| 19 | 02:56 | NW 11 | 16.09 | A Few Clouds | FEW032 | -2.2 | -2.8 | 96% | -6 | 75.69 | 1009.1 | ||||||
| 19 | 01:56 | NW 11 | 16.09 | Mostly Cloudy | FEW034 BKN060 | -1.1 | -2.2 | 92% | -5 | 75.69 | 1009.1 | ||||||
| 19 | 00:56 | NW 15 | 4.83 | Light Snow Fog/Mist | SCT007 SCT024 OVC055 | -0.6 | -1.7 | 0.6 | -0.6 | 92% | -5 | 75.64 | 1008.5 | 0.13 | |||
| 18 | 23:56 | NW 19 | 6.44 | Light Snow Fog/Mist | BKN008 OVC011 | 0 | -1.1 | 92% | -5 | 75.64 | 1008.5 | ||||||
| 18 | 22:56 | N 17 | 3.22 | Light Snow Fog/Mist | BKN008 OVC011 | 0.6 | -0.6 | 92% | -4 | 75.64 | 1008.4 | ||||||
| 18 | 21:56 | N 22 | 3.22 | Light Snow Fog/Mist | VV006 | 0.6 | -0.6 | 92% | -4 | 75.64 | 1008.5 | 0.03 | 0.13 | ||||
| 18 | 20:56 | N 20 | 1.61 | Light Snow Fog/Mist | VV005 | 0 | -0.6 | 96% | -5 | 75.69 | 1009.3 | 0.03 | |||||
| 18 | 19:56 | NW 11 | 1.61 | Light Snow Fog/Mist | BKN005 BKN008 OVC014 | 0 | -0.6 | 96% | -3 | 75.74 | 1009.7 | 0.08 | |||||
| 18 | 18:52 | NE 9 | 2.41 | Light Snow Fog/Mist | OVC005 | 0.6 | 0 | 0.6 | 0.6 | 96% | -2 | 75.72 | 1009.4 | 0.03 | 0.13 | ||
| 18 | 17:56 | NE 13 | 4.02 | Light Snow Fog/Mist | BKN004 OVC010 | 0.6 | 0 | 96% | -3 | 75.69 | 1009.0 | 0.03 | |||||
| 18 | 16:56 | NE 11 | 2.41 | Light Snow Rain Fog/Mist | OVC004 | 0.6 | 0 | 96% | -2 | 75.74 | 1009.9 | 0.03 | |||||
| 18 | 15:56 | NE 13 | 3.22 | Light Snow Fog/Mist | BKN004 OVC010 | 0.6 | 0 | 96% | -3 | 75.82 | 1010.8 | 0.05 | 0.05 | ||||
| 18 | 14:56 | NE 13 | 3.22 | Light Snow Rain Fog/Mist | OVC003 | 0.6 | 0 | 96% | -3 | 75.92 | 1012.1 | ||||||
| 18 | 13:56 | NE 13 | 1.61 | Light Snow Fog/Mist | BKN003 OVC015 | 0.6 | 0 | 96% | -3 | 75.97 | 1012.7 | ||||||
| 18 | 12:56 | NE 13 | 2.41 | Light Snow Fog/Mist | BKN003 OVC016 | 0.6 | 0 | 0.6 | 0 | 96% | -3 | 76.07 | 1014.2 | 0.03 | 0.43 | ||
| 18 | 10:56 | N 7 | 1.61 | Light Snow Fog/Mist | OVC028 | 0.6 | 0 | 96% | -1 | 76.28 | 1017.0 | 0.05 | |||||
| 18 | 09:56 | Calm | 1.61 | Light Snow Fog/Mist | BKN011 OVC022 | 0 | -0.6 | 96% | 76.35 | 1018.0 | 0.05 | 0.28 | |||||
| 18 | 08:56 | NE 6 | 0.80 | Light Snow Fog/Mist | BKN007 OVC012 | 0 | -0.6 | 96% | 76.38 | 1018.4 | 0.08 | ||||||
| 18 | 07:56 | Calm | 0.80 | Light Snow Fog/Mist | OVC009 | 0 | -0.6 | 96% | 76.4 | 1018.6 | 0.15 | ||||||
| 18 | 06:56 | Calm | 6.44 | Light Rain Snow Fog/Mist | FEW009 OVC022 | 0.6 | 0 | 1.1 | -2.2 | 96% | 76.38 | 1018.1 | 0.05 | 0.05 | |||
| 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 | ||||||
| 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) | |||||||||||||||