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. | ||||||||||||||||
| 28 | 21:56 | NW 15 | 16.09 | Mostly Cloudy | FEW070 SCT120 BKN250 | -8.3 | -17.2 | 49% | -14 | 76.2 | 1015.8 | ||||||
| 28 | 20:56 | W 15 | 16.09 | Mostly Cloudy | FEW065 SCT120 BKN250 | -7.8 | -17.2 | 47% | -13 | 76.2 | 1016.0 | ||||||
| 28 | 19:56 | W 7 | 16.09 | Partly Cloudy | FEW050 FEW150 SCT250 | -7.8 | -16.1 | 52% | -11 | 76.23 | 1016.4 | ||||||
| 28 | 18:56 | W 11 | 16.09 | Mostly Cloudy | BKN140 BKN250 | -7.2 | -14.4 | -5 | -7.2 | 57% | -12 | 76.25 | 1016.6 | ||||
| 28 | 17:56 | SW 13 | 16.09 | Mostly Cloudy | BKN150 BKN250 | -6.1 | -15.6 | 47% | -11 | 76.23 | 1016.4 | ||||||
| 28 | 16:56 | SW 9 | 16.09 | Overcast | BKN130 OVC250 | -6.1 | -15.6 | 47% | -10 | 76.23 | 1016.2 | ||||||
| 28 | 15:56 | SW 13 | 16.09 | Overcast | FEW043 BKN150 OVC250 | -5.6 | -16.7 | 42% | -10 | 76.23 | 1016.5 | ||||||
| 28 | 14:56 | Vrbl 9 | 16.09 | Overcast | BKN160 OVC250 | -5.6 | -16.1 | 44% | -9 | 76.23 | 1016.5 | ||||||
| 28 | 13:56 | W 13 | 16.09 | Mostly Cloudy | SCT180 BKN250 | -5 | -15.6 | 44% | -10 | 76.3 | 1017.4 | ||||||
| 28 | 12:56 | W 9 | 16.09 | Partly Cloudy | SCT250 | -5.6 | -16.1 | -5 | -12.2 | 44% | -9 | 76.38 | 1018.2 | ||||
| 28 | 11:56 | W 17 | 16.09 | A Few Clouds | FEW250 | -6.1 | -15.6 | 47% | -12 | 76.43 | 1019.0 | ||||||
| 28 | 10:56 | W 19 | 16.09 | A Few Clouds | FEW250 | -6.7 | -15.6 | 50% | -13 | 76.5 | 1020.1 | ||||||
| 28 | 09:56 | NW 24 | 16.09 | Fair | CLR | -7.8 | -16.1 | 52% | -15 | 76.56 | 1020.6 | ||||||
| 28 | 08:56 | W 19 | 16.09 | Fair | CLR | -8.9 | -16.7 | 54% | -16 | 76.56 | 1020.9 | ||||||
| 28 | 07:56 | W 17 | 16.09 | Fair | CLR | -10.6 | -17.2 | 59% | -17 | 76.56 | 1020.7 | ||||||
| 28 | 06:56 | W 9 | 16.09 | A Few Clouds | FEW250 | -12.2 | -17.8 | -8.9 | -12.2 | 63% | -17 | 76.53 | 1020.3 | ||||
| 28 | 05:56 | W 13 | 16.09 | Fair | CLR | -10.6 | -17.2 | 59% | -16 | 76.48 | 1019.7 | ||||||
| 28 | 04:56 | W 11 | 16.09 | Fair | CLR | -10 | -17.2 | 56% | -15 | 76.45 | 1019.2 | ||||||
| 28 | 03:56 | W 17 | 16.09 | Fair | CLR | -10 | -17.2 | 56% | -17 | 76.4 | 1018.6 | ||||||
| 28 | 02:56 | NW 24 | 16.09 | Fair | CLR | -9.4 | -17.2 | 53% | -17 | 76.38 | 1018.4 | ||||||
| 28 | 01:56 | W 22 G 35 | 16.09 | Fair | CLR | -9.4 | -17.8 | 51% | -17 | 76.33 | 1017.8 | ||||||
| 28 | 00:56 | W 24 G 41 | 16.09 | Fair | CLR | -9.4 | -17.8 | -7.2 | -9.4 | 51% | -17 | 76.28 | 1016.9 | ||||
| 27 | 23:56 | NW 22 | 16.09 | A Few Clouds | FEW040 FEW250 | -8.9 | -17.2 | 51% | -16 | 76.25 | 1016.8 | ||||||
| 27 | 22:56 | W 22 G 41 | 16.09 | A Few Clouds | FEW050 FEW250 | -8.3 | -17.2 | 49% | -16 | 76.25 | 1016.6 | ||||||
| 27 | 21:56 | W 20 G 41 | 16.09 | A Few Clouds | FEW050 FEW250 | -8.3 | -17.2 | 49% | -15 | 76.2 | 1016.1 | ||||||
| 27 | 20:56 | W 13 | 16.09 | A Few Clouds | FEW050 FEW250 | -8.3 | -16.7 | 51% | -14 | 76.17 | 1015.7 | ||||||
| 27 | 19:56 | W 11 | 16.09 | A Few Clouds | FEW250 | -8.3 | -16.1 | 54% | -13 | 76.15 | 1015.3 | ||||||
| 27 | 18:56 | W 19 | 16.09 | Mostly Cloudy | FEW045 BKN075 BKN250 | -7.2 | -15.6 | -6.1 | -7.2 | 52% | -14 | 76.15 | 1015.3 | ||||
| 27 | 17:56 | W 20 G 43 | 16.09 | Overcast | SCT046 BKN080 OVC250 | -7.2 | -15 | 54% | -14 | 76.12 | 1014.9 | ||||||
| 27 | 16:56 | W 28 G 46 | 16.09 | Overcast | BKN049 OVC250 | -6.7 | -16.1 | 48% | -14 | 76.07 | 1014.2 | ||||||
| 27 | 15:56 | W 28 G 44 | 16.09 | Overcast | BKN065 BKN100 OVC250 | -6.1 | -16.1 | 45% | -14 | 76.05 | 1014.0 | ||||||
| 27 | 14:56 | SW 26 | 16.09 | Overcast | FEW040 BKN100 OVC250 | -6.7 | -16.1 | 48% | -14 | 76.02 | 1013.8 | ||||||
| 27 | 13:56 | SW 19 | 16.09 | Mostly Cloudy | FEW040 FEW110 BKN250 | -6.1 | -15.6 | 47% | -12 | 76.1 | 1014.6 | ||||||
| 27 | 12:56 | W 20 | 16.09 | Partly Cloudy | FEW040 SCT250 | -6.1 | -16.1 | -6.1 | -10 | 45% | -12 | 76.17 | 1015.7 | ||||
| 27 | 11:56 | SW 26 | 16.09 | A Few Clouds | FEW040 FEW250 | -6.7 | -16.1 | 48% | -14 | 76.28 | 1016.9 | ||||||
| 27 | 10:56 | W 20 | 16.09 | A Few Clouds | FEW040 | -7.2 | -17.2 | 45% | -14 | 76.35 | 1018.0 | ||||||
| 27 | 09:56 | W 28 | 16.09 | A Few Clouds | FEW040 FEW100 | -7.8 | -17.2 | 47% | -16 | 76.43 | 1019.1 | ||||||
| 27 | 08:56 | W 22 | 16.09 | A Few Clouds | FEW035 FEW100 | -8.9 | -17.8 | 49% | -16 | 76.45 | 1019.5 | ||||||
| 27 | 07:56 | W 19 | 16.09 | A Few Clouds | FEW034 FEW100 FEW250 | -9.4 | -17.8 | 51% | -16 | 76.45 | 1019.4 | ||||||
| 27 | 06:56 | W 19 G 30 | 16.09 | A Few Clouds | FEW030 | -9.4 | -17.8 | -8.3 | -10 | 51% | -16 | 76.4 | 1018.9 | ||||
| 27 | 05:56 | W 24 G 39 | 16.09 | A Few Clouds | FEW030 | -9.4 | -17.2 | 53% | -17 | 76.38 | 1018.4 | ||||||
| 27 | 04:56 | NW 22 | 16.09 | NULL | NULL | -9.4 | -17.2 | 53% | -17 | 76.3 | 1017.4 | ||||||
| 27 | 03:56 | NW 26 | 16.09 | NULL | NULL | -8.9 | -16.7 | 54% | -17 | 76.25 | 1016.7 | ||||||
| 27 | 02:56 | NW 22 G 39 | 16.09 | NULL | NULL | -8.9 | -16.7 | 54% | -16 | 76.2 | 1015.8 | ||||||
| 27 | 01:56 | NW 33 G 48 | 16.09 | Breezy | NULL | -8.3 | -17.8 | 47% | -17 | 76.12 | 1014.9 | ||||||
| 27 | 00:56 | NW 31 G 54 | 16.09 | NULL | NULL | -8.3 | -17.2 | -5.6 | -8.3 | 49% | -17 | 76.02 | 1013.8 | ||||
| 26 | 23:56 | NW 30 G 48 | 16.09 | A Few Clouds | FEW040 | -8.3 | -17.8 | 47% | -17 | 76 | 1013.2 | ||||||
| 26 | 22:56 | W 39 G 59 | 16.09 | A Few Clouds and Breezy | FEW042 | -7.8 | -16.7 | 49% | -17 | 75.92 | 1012.3 | ||||||
| 26 | 21:56 | NW 37 G 56 | 16.09 | Partly Cloudy and Breezy | SCT047 | -7.2 | -17.2 | 45% | -16 | 75.9 | 1011.9 | ||||||
| 26 | 20:56 | NW 28 G 41 | 16.09 | A Few Clouds | FEW045 | -6.7 | -15.6 | 50% | -14 | 75.82 | 1010.9 | ||||||
| 26 | 19:56 | NW 33 G 50 | 16.09 | Partly Cloudy and Breezy | FEW035 SCT060 | -6.1 | -15 | 50% | -14 | 75.74 | 1009.8 | ||||||
| 26 | 18:56 | NW 35 G 54 | 16.09 | Overcast and Breezy | SCT025 BKN032 OVC045 | -5.6 | -12.8 | -3.3 | -6.1 | 57% | -14 | 75.72 | 1009.5 | ||||
| 26 | 17:56 | NW 26 | 14.48 | Light Snow | SCT025 OVC036 | -4.4 | -10.6 | 62% | -11 | 75.64 | 1008.6 | ||||||
| 26 | 16:56 | NW 26 G 35 | 16.09 | Mostly Cloudy | BKN033 | -3.3 | -8.9 | 66% | -10 | 75.54 | 1007.3 | ||||||
| 26 | 15:56 | NW 20 | 16.09 | Mostly Cloudy | SCT023 BKN031 | -3.9 | -8.9 | 69% | -10 | 75.46 | 1006.2 | ||||||
| 26 | 14:56 | NW 17 | 16.09 | Overcast | OVC020 | -4.4 | -8.9 | 71% | -10 | 75.44 | 1005.8 | ||||||
| 26 | 13:56 | NW 15 | 16.09 | Overcast | OVC017 | -5.6 | -8.3 | 82% | -11 | 75.44 | 1005.8 | ||||||
| 26 | 12:56 | NW 19 | 11.27 | Light Snow | OVC015 | -6.1 | -8.3 | -6.1 | -7.8 | 85% | -12 | 75.44 | 1005.9 | 0.03 | |||
| 26 | 11:56 | NW 17 | 12.87 | Light Snow | FEW012 OVC020 | -6.7 | -8.9 | 85% | -13 | 75.57 | 1007.5 | ||||||
| 26 | 10:56 | N 17 | 16.09 | Overcast | SCT015 OVC020 | -7.2 | -10 | 81% | -13 | 75.62 | 1008.3 | ||||||
| 26 | 08:56 | N 13 | 3.22 | Light Snow Fog/Mist | SCT011 OVC025 | -7.2 | -9.4 | 84% | -12 | 75.64 | 1008.4 | ||||||
| 26 | 07:56 | N 15 | 2.01 | Light Snow Fog/Mist | SCT011 OVC025 | -7.8 | -10 | 84% | -13 | 75.62 | 1008.1 | 0.03 | |||||
| 26 | 06:56 | N 17 | 1.61 | Light Snow Fog/Mist | BKN012 OVC018 | -7.2 | -9.4 | -6.1 | -7.2 | 84% | -13 | 75.62 | 1008.2 | 0.05 | |||
| 26 | 05:56 | N 17 | 1.61 | Light Snow Fog/Mist | OVC011 | -7.2 | -8.9 | 88% | -13 | 75.49 | 1006.6 | 0.05 | |||||
| 26 | 04:56 | N 15 | 8.05 | Fog/Mist | NULL | -6.7 | -8.9 | 85% | -12 | 75.57 | 1007.5 | ||||||
| 26 | 03:56 | N 24 | 6.44 | Light Freezing Rain Fog/Mist | NULL | -6.7 | -8.9 | 85% | -14 | 75.51 | 1007.0 | ||||||
| 26 | 02:56 | N 24 | 16.09 | NULL | NULL | -6.1 | -8.9 | 81% | -13 | 75.51 | 1007.0 | ||||||
| 26 | 01:56 | N 24 | 16.09 | NULL | NULL | -6.7 | -8.9 | 85% | -14 | 75.46 | 1006.2 | ||||||
| 26 | 00:56 | N 31 G 48 | 9.66 | Light Freezing Rain Fog/Mist | NULL | -6.1 | -7.8 | -1.7 | -6.7 | 88% | -14 | 75.41 | 1005.5 | 0.43 | |||
| 25 | 23:56 | N 22 G 39 | 1.61 | Light Snow Fog/Mist | BKN011 OVC018 | -5.6 | -7.8 | 85% | -12 | 75.54 | 1007.2 | 0.03 | |||||
| 25 | 22:56 | N 26 G 46 | 1.61 | Light Snow Fog/Mist | BKN011 OVC017 | -1.7 | -3.3 | 89% | -8 | 75.49 | 1006.7 | 0.03 | |||||
| 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) | |||||||||||||||