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. | ||||||||||||||||
| 02 | 04:56 | N 15 | 16.09 | Fair | CLR | -6.1 | -16.7 | 43% | -11 | 77.67 | 1035.6 | ||||||
| 02 | 03:56 | N 17 | 16.09 | Fair | CLR | -5.6 | -16.1 | 44% | -11 | 77.6 | 1034.5 | ||||||
| 02 | 02:56 | N 19 | 16.09 | Fair | CLR | -5 | -15.6 | 44% | -11 | 77.55 | 1033.8 | ||||||
| 02 | 01:56 | N 24 | 16.09 | Fair | CLR | -4.4 | -15.6 | 42% | -11 | 77.5 | 1033.3 | ||||||
| 02 | 00:56 | N 20 | 16.09 | Fair | CLR | -3.3 | -15.6 | 1.1 | -3.3 | 38% | -9 | 77.47 | 1032.8 | ||||
| 01 | 23:56 | N 19 | 16.09 | Fair | CLR | -2.8 | -13.9 | 43% | -8 | 77.42 | 1032.1 | ||||||
| 01 | 22:56 | N 13 | 16.09 | Fair | CLR | -2.2 | -14.4 | 39% | -6 | 77.34 | 1031.1 | ||||||
| 01 | 21:56 | N 13 | 16.09 | Fair | CLR | -1.1 | -14.4 | 36% | -5 | 77.29 | 1030.5 | ||||||
| 01 | 20:56 | N 11 | 16.09 | Fair | CLR | -1.1 | -12.2 | 43% | -5 | 77.22 | 1029.6 | ||||||
| 01 | 19:56 | N 11 | 16.09 | Fair | CLR | 0 | -11.7 | 41% | -3 | 77.14 | 1028.4 | ||||||
| 01 | 18:56 | N 7 | 16.09 | Fair | CLR | 1.1 | -11.7 | 3.9 | 1.1 | 38% | -1 | 77.04 | 1027.0 | ||||
| 01 | 17:56 | N 9 | 16.09 | A Few Clouds | FEW095 | 1.7 | -12.2 | 35% | -1 | 76.94 | 1025.8 | ||||||
| 01 | 16:56 | N 22 | 16.09 | A Few Clouds | FEW095 | 3.3 | -12.8 | 30% | -1 | 76.89 | 1024.9 | ||||||
| 01 | 15:56 | N 22 | 16.09 | A Few Clouds | FEW075 FEW095 FEW220 | 3.3 | -11.7 | 33% | -1 | 76.81 | 1023.9 | ||||||
| 01 | 14:56 | N 17 | 16.09 | Mostly Cloudy | FEW075 BKN095 BKN200 | 3.3 | -8.9 | 41% | -0 | 76.71 | 1022.8 | ||||||
| 01 | 13:56 | NW 20 G 30 | 16.09 | Mostly Cloudy | BKN065 BKN090 BKN250 | 2.8 | -7.2 | 48% | -1 | 76.68 | 1022.3 | ||||||
| 01 | 12:56 | N 20 | 16.09 | Mostly Cloudy | FEW020 BKN055 | 1.1 | -6.7 | 2.2 | 0 | 56% | -3 | 76.68 | 1022.2 | 0.03 | |||
| 01 | 11:56 | N 20 | 16.09 | Overcast | FEW015 OVC047 | 0 | -4.4 | 73% | -5 | 76.68 | 1022.2 | ||||||
| 01 | 09:56 | N 24 G 39 | 4.02 | Light Snow | BKN038 OVC070 | 0 | -3.3 | 79% | -5 | 76.61 | 1021.2 | ||||||
| 01 | 08:56 | N 26 G 43 | 16.09 | Light Rain Snow | BKN065 BKN250 | 2.2 | -8.3 | 46% | -3 | 76.53 | 1020.3 | ||||||
| 01 | 06:56 | N 22 | 16.09 | Mostly Cloudy | BKN250 | 1.1 | -7.8 | 2.2 | -0.6 | 52% | -4 | 76.33 | 1017.7 | ||||
| 01 | 04:56 | N 15 | 16.09 | Fair | CLR | 0.6 | -0.6 | 92% | -3 | 76.25 | 1016.4 | ||||||
| 01 | 03:56 | N 19 | 8.05 | Fog/Mist | SCT002 | 1.7 | 1.1 | 96% | -2 | 76.23 | 1016.2 | ||||||
| 01 | 02:56 | N 9 | 0.40 | Fog | VV001 | 1.7 | 1.7 | 100% | -1 | 76.2 | 1016.0 | ||||||
| 01 | 00:56 | Calm | 0.40 | Freezing Fog | VV001 | -0.6 | -0.6 | 3.3 | -0.6 | 100% | 76.2 | 1015.9 | |||||
| 28 | 23:56 | Calm | 2.41 | Fog/Mist | BKN002 | 0.6 | 0.6 | 100% | 76.25 | 1016.5 | |||||||
| 28 | 22:56 | Calm | 6.44 | Fog/Mist | FEW002 FEW250 | 0.6 | 0 | 96% | 76.28 | 1016.9 | |||||||
| 28 | 21:56 | Calm | 14.48 | A Few Clouds | FEW250 | 1.1 | 1.1 | 100% | 76.28 | 1017.1 | |||||||
| 28 | 20:56 | Calm | 16.09 | A Few Clouds | FEW250 | 1.1 | 0 | 92% | 76.3 | 1017.2 | |||||||
| 28 | 19:56 | Calm | 16.09 | Partly Cloudy | SCT250 | 2.8 | 1.1 | 89% | 76.3 | 1017.3 | |||||||
| 28 | 18:56 | Calm | 16.09 | A Few Clouds | FEW250 | 3.9 | 1.7 | 8.9 | 3.3 | 86% | 76.3 | 1017.2 | |||||
| 28 | 17:56 | Calm | 16.09 | Partly Cloudy | SCT250 | 6.1 | 2.8 | 80% | 76.28 | 1017.0 | |||||||
| 28 | 16:56 | Calm | 16.09 | Partly Cloudy | SCT250 | 6.7 | 2.8 | 76% | 76.25 | 1016.6 | |||||||
| 28 | 15:56 | S 15 | 16.09 | A Few Clouds | FEW250 | 7.2 | 2.2 | 71% | 5 | 76.28 | 1017.0 | ||||||
| 28 | 14:56 | S 17 | 16.09 | A Few Clouds | FEW250 | 8.9 | 1.7 | 61% | 7 | 76.28 | 1016.9 | ||||||
| 28 | 13:56 | S 17 | 16.09 | A Few Clouds | FEW250 | 8.3 | 1.1 | 61% | 6 | 76.33 | 1017.6 | ||||||
| 28 | 12:56 | S 13 | 16.09 | A Few Clouds | FEW250 | 8.3 | 1.7 | 8.3 | -3.3 | 63% | 6 | 76.35 | 1018.1 | ||||
| 28 | 11:56 | S 17 | 16.09 | A Few Clouds | FEW250 | 7.8 | 1.1 | 63% | 5 | 76.43 | 1019.1 | ||||||
| 28 | 10:56 | S 17 | 16.09 | A Few Clouds | FEW250 | 7.8 | 0.6 | 61% | 5 | 76.5 | 1020.0 | ||||||
| 28 | 09:56 | SE 13 | 16.09 | A Few Clouds | FEW250 | 7.2 | 0.6 | 63% | 5 | 76.53 | 1020.4 | ||||||
| 28 | 08:56 | SE 20 | 16.09 | A Few Clouds | FEW250 | 5.6 | -0.6 | 65% | 2 | 76.48 | 1019.7 | ||||||
| 28 | 07:56 | SE 7 | 16.09 | A Few Clouds | FEW026 FEW250 | 0.6 | -0.6 | 92% | -1 | 76.56 | 1020.6 | ||||||
| 28 | 06:56 | Calm | 12.87 | A Few Clouds | FEW023 FEW250 | -2.8 | -3.3 | -1.1 | -4.4 | 96% | 76.56 | 1020.6 | |||||
| 28 | 05:56 | Calm | 6.44 | Fog/Mist | SCT023 BKN250 | -4.4 | -5 | 96% | 76.53 | 1020.5 | |||||||
| 28 | 04:56 | Calm | 1.21 | Fog/Mist | CLR | -1.7 | -1.7 | 100% | 76.53 | 1020.2 | |||||||
| 28 | 03:56 | Calm | 2.41 | Fog/Mist | CLR | -3.3 | -3.9 | 96% | 76.5 | 1019.9 | |||||||
| 28 | 02:56 | Calm | 8.05 | Fog/Mist | CLR | -3.9 | -4.4 | 96% | 76.5 | 1020.1 | |||||||
| 28 | 01:56 | Calm | 11.27 | Fair | CLR | -2.8 | -3.3 | 96% | 76.53 | 1020.4 | |||||||
| 28 | 00:56 | Calm | 14.48 | Fair | CLR | -2.2 | -3.9 | 0.6 | -2.8 | 88% | 76.53 | 1020.4 | |||||
| 27 | 23:56 | E 6 | 16.09 | Fair | CLR | -2.2 | -3.3 | 92% | 76.56 | 1020.6 | |||||||
| 27 | 22:56 | Calm | 16.09 | Fair | CLR | -2.8 | -4.4 | 89% | 76.58 | 1021.0 | |||||||
| 27 | 21:56 | Calm | 16.09 | Fair | CLR | -1.1 | -3.3 | 85% | 76.63 | 1021.5 | |||||||
| 27 | 20:56 | SE 6 | 16.09 | Fair | CLR | -1.7 | -4.4 | 82% | 76.61 | 1021.4 | |||||||
| 27 | 19:56 | Calm | 16.09 | A Few Clouds | FEW250 | 0 | -3.9 | 75% | 76.61 | 1021.2 | |||||||
| 27 | 18:56 | E 6 | 16.09 | A Few Clouds | FEW250 | -0.6 | -4.4 | 3.3 | -0.6 | 76% | 76.61 | 1021.4 | |||||
| 27 | 17:56 | S 7 | 16.09 | A Few Clouds | FEW200 FEW250 | 1.7 | -3.9 | 67% | -0 | 76.58 | 1021.1 | ||||||
| 27 | 16:56 | S 11 | 16.09 | A Few Clouds | FEW250 | 2.2 | -3.9 | 64% | -1 | 76.5 | 1019.9 | ||||||
| 27 | 15:56 | S 15 | 16.09 | A Few Clouds | FEW250 | 3.3 | -4.4 | 57% | 0 | 76.48 | 1019.7 | ||||||
| 27 | 14:56 | S 11 | 16.09 | A Few Clouds | FEW250 | 3.3 | -5 | 55% | 1 | 76.48 | 1019.7 | ||||||
| 27 | 13:56 | S 15 | 16.09 | A Few Clouds | FEW250 | 3.3 | -8.9 | 41% | 0 | 76.5 | 1019.9 | ||||||
| 27 | 12:56 | SE 11 | 16.09 | A Few Clouds | FEW250 | 2.8 | -9.4 | 5 | -6.7 | 41% | 0 | 76.5 | 1020.0 | ||||
| 27 | 11:56 | S 13 | 16.09 | Mostly Cloudy | BKN250 | 3.3 | -9.4 | 39% | 0 | 76.53 | 1020.2 | ||||||
| 27 | 10:56 | Calm | 16.09 | Partly Cloudy | SCT250 | 3.9 | -8.9 | 39% | 76.53 | 1020.4 | |||||||
| 27 | 09:56 | E 9 | 16.09 | Partly Cloudy | SCT250 | 1.7 | -8.9 | 46% | -1 | 76.53 | 1020.4 | ||||||
| 27 | 08:56 | E 9 | 16.09 | A Few Clouds | FEW250 | 0 | -7.8 | 56% | -3 | 76.53 | 1020.3 | ||||||
| 27 | 07:56 | Calm | 16.09 | A Few Clouds | FEW250 | -2.2 | -6.7 | 72% | 76.48 | 1019.8 | |||||||
| 27 | 06:56 | Calm | 16.09 | A Few Clouds | FEW250 | -4.4 | -6.7 | -0.6 | -6.7 | 84% | 76.43 | 1018.9 | |||||
| 27 | 05:56 | N 6 | 16.09 | A Few Clouds | FEW250 | -5 | -7.8 | 81% | 76.35 | 1017.8 | |||||||
| 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) | |||||||||||||||