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. | ||||||||||||||||
| 11 | 02:56 | W 6 | 14.48 | Overcast | BKN043 OVC055 | 1.1 | 0 | 92% | 75.34 | 1004.5 | |||||||
| 11 | 01:56 | Calm | 9.66 | Light Rain Fog/Mist | OVC033 | 1.7 | 0 | 89% | 75.39 | 1005.1 | 0.08 | ||||||
| 11 | 00:56 | S 11 | 9.66 | Light Rain Fog/Mist | FEW042 OVC060 | 1.1 | -0.6 | 1.7 | 0 | 89% | -2 | 75.46 | 1006.0 | 0.03 | 0.03 | ||
| 10 | 23:56 | Calm | 16.09 | Overcast | OVC070 | 1.1 | -1.1 | 85% | 75.57 | 1007.3 | |||||||
| 10 | 22:56 | Calm | 16.09 | Overcast | FEW028 BKN095 OVC150 | 1.1 | -1.7 | 82% | 75.67 | 1008.9 | |||||||
| 10 | 21:56 | N 9 | 16.09 | Overcast | FEW027 OVC150 | 0.6 | -1.7 | 85% | -2 | 75.77 | 1010.2 | ||||||
| 10 | 20:56 | S 9 | 16.09 | Overcast | SCT023 OVC180 | 1.7 | -2.2 | 76% | -1 | 75.77 | 1010.1 | ||||||
| 10 | 19:56 | S 15 | 16.09 | Overcast | FEW050 FEW120 OVC180 | 0.6 | -3.9 | 72% | -3 | 75.82 | 1011.1 | ||||||
| 10 | 18:56 | S 11 | 16.09 | Overcast | FEW050 SCT150 OVC250 | 0 | -5 | 0 | -0.6 | 69% | -3 | 75.95 | 1012.7 | ||||
| 10 | 17:56 | S 9 | 16.09 | Overcast | FEW055 SCT110 OVC200 | -0.6 | -5.6 | 69% | -3 | 76.05 | 1013.9 | ||||||
| 10 | 16:56 | S 9 | 16.09 | Overcast | BKN055 OVC120 | -0.6 | -6.1 | 67% | -3 | 76.12 | 1014.8 | ||||||
| 10 | 15:56 | S 13 | 16.09 | Overcast | BKN049 OVC055 | -0.6 | -7.2 | 61% | -4 | 76.17 | 1015.7 | ||||||
| 10 | 14:56 | S 11 | 16.09 | Overcast | BKN043 OVC060 | -0.6 | -8.9 | 54% | -4 | 76.25 | 1016.7 | ||||||
| 10 | 12:56 | S 13 | 16.09 | Mostly Cloudy | BKN060 BKN100 BKN250 | -0.6 | -13.3 | -0.6 | -7.8 | 38% | -4 | 76.38 | 1018.2 | ||||
| 10 | 11:56 | SW 7 | 16.09 | Mostly Cloudy | BKN060 BKN100 BKN250 | -0.6 | -15 | 33% | -3 | 76.5 | 1019.9 | ||||||
| 10 | 09:56 | Calm | 16.09 | Mostly Cloudy | FEW090 SCT120 BKN250 | -2.2 | -13.3 | 43% | 76.58 | 1021.1 | |||||||
| 10 | 08:56 | W 6 | 16.09 | Mostly Cloudy | FEW090 FEW140 BKN250 | -4.4 | -12.2 | 55% | 76.58 | 1021.1 | |||||||
| 10 | 07:56 | Calm | 16.09 | Mostly Cloudy | FEW090 FEW140 BKN250 | -7.2 | -12.2 | 68% | 76.61 | 1021.4 | |||||||
| 10 | 06:56 | W 6 | 16.09 | Mostly Cloudy | BKN100 BKN140 BKN250 | -7.2 | -12.8 | -5 | -8.3 | 65% | 76.61 | 1021.4 | |||||
| 10 | 05:56 | Calm | 16.09 | Mostly Cloudy | BKN110 BKN250 | -7.2 | -13.3 | 62% | 76.56 | 1020.8 | |||||||
| 10 | 04:56 | Calm | 16.09 | Overcast | OVC110 | -6.7 | -13.3 | 60% | 76.56 | 1020.7 | |||||||
| 10 | 03:56 | W 7 | 16.09 | Overcast | OVC120 | -6.1 | -13.3 | 57% | -9 | 76.58 | 1021.2 | ||||||
| 10 | 02:56 | Calm | 16.09 | Fair | CLR | -7.2 | -13.3 | 62% | 76.56 | 1020.9 | |||||||
| 10 | 01:56 | N 7 | 16.09 | Fair | CLR | -7.8 | -13.9 | 62% | -11 | 76.58 | 1021.2 | ||||||
| 10 | 00:56 | SW 6 | 16.09 | Fair | CLR | -7.8 | -14.4 | -3.3 | -9.4 | 59% | 76.58 | 1021.1 | |||||
| 09 | 23:56 | Calm | 16.09 | Partly Cloudy | FEW110 SCT250 | -6.7 | -14.4 | 55% | 76.61 | 1021.6 | |||||||
| 09 | 22:56 | W 7 | 16.09 | Mostly Cloudy | SCT085 BKN250 | -5 | -13.9 | 50% | -8 | 76.61 | 1021.5 | ||||||
| 09 | 21:56 | W 9 | 16.09 | Partly Cloudy | FEW100 SCT250 | -4.4 | -15 | 44% | -8 | 76.66 | 1022.2 | ||||||
| 09 | 20:56 | W 9 | 16.09 | Mostly Cloudy | FEW130 BKN250 | -4.4 | -15.6 | 42% | -8 | 76.68 | 1022.4 | ||||||
| 09 | 19:56 | W 6 | 16.09 | Mostly Cloudy | FEW150 BKN250 | -3.9 | -15.6 | 40% | 76.66 | 1022.1 | |||||||
| 09 | 18:56 | NW 11 | 16.09 | Partly Cloudy | FEW180 SCT250 | -3.9 | -16.1 | -2.2 | -4.4 | 39% | -8 | 76.66 | 1022.2 | ||||
| 09 | 17:56 | NW 11 | 16.09 | Partly Cloudy | SCT250 | -3.3 | -16.1 | 37% | -7 | 76.61 | 1021.6 | ||||||
| 09 | 16:56 | NW 24 | 16.09 | A Few Clouds | FEW250 | -2.8 | -17.2 | 32% | -9 | 76.61 | 1021.5 | ||||||
| 09 | 15:56 | NW 19 | 16.09 | A Few Clouds | FEW250 | -2.2 | -16.1 | 34% | -7 | 76.61 | 1021.4 | ||||||
| 09 | 14:56 | NW 26 G 39 | 16.09 | A Few Clouds | FEW250 | -2.2 | -16.1 | 34% | -8 | 76.61 | 1021.3 | ||||||
| 09 | 13:56 | NW 30 | 16.09 | A Few Clouds | FEW250 | -3.3 | -16.1 | 37% | -10 | 76.63 | 1021.7 | ||||||
| 09 | 12:56 | NW 24 G 39 | 16.09 | A Few Clouds | FEW200 FEW250 | -4.4 | -16.1 | -4.4 | -11.1 | 40% | -11 | 76.68 | 1022.4 | ||||
| 09 | 11:56 | NW 28 G 39 | 16.09 | A Few Clouds | FEW150 FEW200 | -5.6 | -16.7 | 42% | -13 | 76.73 | 1023.2 | ||||||
| 09 | 10:56 | NW 28 | 16.09 | A Few Clouds | FEW150 | -7.2 | -17.2 | 45% | -15 | 76.84 | 1024.4 | ||||||
| 09 | 09:56 | NW 26 G 39 | 16.09 | Fair | CLR | -8.9 | -18.3 | 47% | -17 | 76.86 | 1024.8 | ||||||
| 09 | 08:56 | N 17 G 41 | 16.09 | Fair | CLR | -10 | -18.9 | 49% | -17 | 76.84 | 1024.6 | ||||||
| 09 | 07:56 | N 31 | 16.09 | Fair | CLR | -10.6 | -18.9 | 51% | -20 | 76.81 | 1024.2 | ||||||
| 09 | 06:56 | NW 30 | 16.09 | Fair | CLR | -11.1 | -19.4 | -11.1 | -12.2 | 51% | -20 | 76.78 | 1023.8 | ||||
| 09 | 05:56 | NW 26 | 16.09 | Fair | CLR | -11.7 | -19.4 | 53% | -20 | 76.76 | 1023.5 | ||||||
| 09 | 04:56 | N 28 G 48 | 16.09 | Fair | CLR | -11.1 | -19.4 | 51% | -20 | 76.73 | 1023.1 | ||||||
| 09 | 03:56 | N 22 | 16.09 | Fair | CLR | -11.7 | -20.6 | 48% | -20 | 76.71 | 1022.7 | ||||||
| 09 | 02:56 | N 28 | 16.09 | Fair | CLR | -11.7 | -20.6 | 48% | -21 | 76.68 | 1022.5 | ||||||
| 09 | 01:56 | N 30 | 16.09 | Fair | CLR | -11.7 | -20 | 51% | -21 | 76.71 | 1022.7 | ||||||
| 09 | 00:56 | N 31 | 16.09 | Fair | CLR | -11.7 | -19.4 | -8.9 | -11.7 | 53% | -21 | 76.68 | 1022.4 | ||||
| 08 | 23:56 | N 35 G 50 | 16.09 | Fair and Breezy | CLR | -11.1 | -20 | 48% | -21 | 76.66 | 1022.1 | ||||||
| 08 | 22:56 | N 30 G 48 | 16.09 | Fair | CLR | -10 | -19.4 | 47% | -19 | 76.66 | 1022.0 | ||||||
| 08 | 21:56 | NW 26 G 41 | 16.09 | Fair | CLR | -10 | -19.4 | 47% | -18 | 76.63 | 1021.6 | ||||||
| 08 | 20:56 | NW 35 G 54 | 16.09 | A Few Clouds and Breezy | FEW250 | -9.4 | -20 | 42% | -19 | 76.58 | 1021.3 | ||||||
| 08 | 19:56 | NW 30 G 52 | 16.09 | A Few Clouds | FEW250 | -9.4 | -20 | 42% | -18 | 76.58 | 1021.1 | ||||||
| 08 | 18:56 | NW 31 G 46 | 16.09 | A Few Clouds | FEW250 | -8.9 | -19.4 | -8.3 | -10.6 | 43% | -18 | 76.56 | 1020.8 | ||||
| 08 | 17:56 | NW 30 G 46 | 16.09 | A Few Clouds | FEW080 FEW250 | -8.3 | -19.4 | 41% | -17 | 76.53 | 1020.3 | ||||||
| 08 | 16:56 | NW 35 G 50 | 16.09 | A Few Clouds and Breezy | FEW070 FEW250 | -8.3 | -19.4 | 41% | -17 | 76.48 | 1019.6 | ||||||
| 08 | 15:56 | NW 35 G 50 | 16.09 | A Few Clouds and Breezy | FEW060 | -8.3 | -20 | 39% | -17 | 76.43 | 1018.9 | ||||||
| 08 | 14:56 | NW 39 G 59 | 16.09 | Fair and Breezy | CLR | -8.9 | -20.6 | 38% | -19 | 76.4 | 1018.6 | ||||||
| 08 | 13:56 | N 44 G 65 | 16.09 | Fair and Windy | CLR | -9.4 | -20.6 | 40% | -20 | 76.38 | 1018.4 | ||||||
| 08 | 12:56 | NW 43 G 59 | 16.09 | Fair and Windy | CLR | -10.6 | -21.1 | -10.6 | -15.6 | 42% | -21 | 76.38 | 1018.5 | ||||
| 08 | 11:56 | NW 44 G 59 | 16.09 | A Few Clouds and Windy | FEW250 | -11.7 | -22.2 | 42% | -23 | 76.4 | 1018.9 | ||||||
| 08 | 10:56 | NW 41 G 63 | 16.09 | A Few Clouds and Breezy | FEW250 | -12.8 | -22.8 | 43% | -24 | 76.43 | 1019.0 | ||||||
| 08 | 09:56 | NW 41 G 70 | 16.09 | A Few Clouds and Breezy | FEW250 | -13.9 | -23.3 | 45% | -25 | 76.4 | 1019.0 | ||||||
| 08 | 08:56 | NW 37 G 67 | 16.09 | A Few Clouds and Breezy | FEW250 | -15 | -23.3 | 49% | -26 | 76.45 | 1019.3 | ||||||
| 08 | 07:56 | NW 39 G 69 | 16.09 | A Few Clouds and Breezy | FEW250 | -15.6 | -23.9 | 49% | -27 | 76.45 | 1019.5 | ||||||
| 08 | 06:56 | NW 37 G 57 | 16.09 | A Few Clouds and Breezy | FEW090 FEW250 | -15.6 | -23.9 | -15 | -15.6 | 49% | -27 | 76.4 | 1018.8 | ||||
| 08 | 05:56 | N 35 G 65 | 16.09 | A Few Clouds and Breezy | FEW250 | -15.6 | -23.9 | 49% | -27 | 76.35 | 1018.0 | ||||||
| 08 | 04:56 | NW 35 G 61 | 16.09 | Fair and Breezy | CLR | -15 | -23.9 | 47% | -26 | 76.3 | 1017.3 | ||||||
| 08 | 03:56 | NW 31 G 56 | 16.09 | Fair | CLR | -15.6 | -23.9 | 49% | -26 | 76.3 | 1017.4 | ||||||
| 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) | |||||||||||||||