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. | ||||||||||||||||
| 23 | 12:56 | W 39 G 54 | 16.09 | Mostly Cloudy and Breezy | SCT200 BKN250 | 2.2 | -15 | 2.8 | -0.6 | 27% | -4 | 76.4 | 1018.7 | ||||
| 23 | 11:56 | W 31 G 59 | 16.09 | Mostly Cloudy | BKN200 BKN250 | 2.8 | -14.4 | 27% | -3 | 76.48 | 1019.5 | ||||||
| 23 | 10:56 | W 28 G 41 | 16.09 | Mostly Cloudy | SCT180 BKN250 | 2.2 | -13.9 | 30% | -3 | 76.56 | 1020.8 | ||||||
| 23 | 09:56 | W 31 G 41 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 0.6 | -14.4 | 32% | -5 | 76.61 | 1021.5 | ||||||
| 23 | 08:56 | W 19 | 16.09 | Mostly Cloudy | BKN180 BKN250 | 0 | -14.4 | 33% | -5 | 76.63 | 1021.6 | ||||||
| 23 | 07:56 | W 11 | 16.09 | Mostly Cloudy | BKN200 BKN250 | -0.6 | -14.4 | 35% | -4 | 76.61 | 1021.2 | ||||||
| 23 | 06:56 | W 15 | 16.09 | Mostly Cloudy | BKN250 | -0.6 | -14.4 | 2.8 | -1.1 | 35% | -5 | 76.56 | 1020.7 | ||||
| 23 | 05:56 | NW 13 | 16.09 | Partly Cloudy | SCT250 | -0.6 | -14.4 | 35% | -4 | 76.53 | 1020.3 | ||||||
| 23 | 04:56 | W 17 | 16.09 | Fair | CLR | 0 | -15 | 32% | -4 | 76.48 | 1019.8 | ||||||
| 23 | 03:56 | W 15 | 16.09 | Fair | CLR | 0.6 | -15.6 | 29% | -3 | 76.45 | 1019.2 | ||||||
| 23 | 02:56 | W 17 | 16.09 | Fair | CLR | 1.7 | -16.7 | 24% | -2 | 76.45 | 1019.2 | ||||||
| 23 | 01:56 | W 22 G 37 | 16.09 | Fair | CLR | 2.2 | -17.2 | 22% | -2 | 76.4 | 1018.6 | ||||||
| 23 | 00:56 | W 19 G 35 | 16.09 | Fair | CLR | 2.8 | -16.7 | 5 | 2.8 | 22% | -1 | 76.38 | 1018.3 | ||||
| 22 | 23:56 | W 15 | 16.09 | Mostly Cloudy | BKN220 | 3.3 | -15 | 25% | 0 | 76.38 | 1018.4 | ||||||
| 22 | 22:56 | W 15 | 16.09 | Mostly Cloudy | BKN220 | 3.9 | -11.7 | 31% | 1 | 76.38 | 1018.2 | ||||||
| 22 | 21:56 | W 11 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 3.3 | -5.6 | 52% | 1 | 76.33 | 1017.7 | ||||||
| 22 | 20:56 | W 15 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 4.4 | -7.2 | 43% | 1 | 76.3 | 1017.3 | ||||||
| 22 | 19:56 | SW 13 | 16.09 | Mostly Cloudy | BKN250 | 2.8 | -3.3 | 65% | -0 | 76.3 | 1017.2 | ||||||
| 22 | 18:56 | SW 9 | 16.09 | Mostly Cloudy | BKN250 | 4.4 | -2.8 | 8.9 | 4.4 | 60% | 2 | 76.28 | 1016.9 | ||||
| 22 | 17:56 | SW 15 | 16.09 | Mostly Cloudy | FEW050 BKN250 | 5.6 | -5 | 47% | 3 | 76.23 | 1016.4 | ||||||
| 22 | 16:56 | SW 19 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 6.1 | -6.1 | 42% | 3 | 76.17 | 1015.6 | ||||||
| 22 | 15:56 | W 24 G 46 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 7.8 | -7.8 | 33% | 5 | 76.15 | 1015.1 | ||||||
| 22 | 14:56 | W 26 G 39 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 8.3 | -6.7 | 34% | 5 | 76.1 | 1014.7 | ||||||
| 22 | 13:56 | W 24 G 43 | 16.09 | Mostly Cloudy | FEW055 BKN250 | 7.8 | -6.1 | 37% | 5 | 76.1 | 1014.6 | ||||||
| 22 | 12:56 | W 28 G 44 | 16.09 | Mostly Cloudy | FEW050 BKN250 | 7.2 | -6.7 | 8.9 | 3.9 | 37% | 3 | 76.12 | 1015.1 | ||||
| 22 | 09:56 | W 26 G 35 | 16.09 | Mostly Cloudy | BKN250 | 7.2 | -5 | 42% | 4 | 76.25 | 1016.8 | ||||||
| 22 | 08:56 | W 24 G 35 | 16.09 | Mostly Cloudy | BKN250 | 5.6 | -6.1 | 43% | 2 | 76.25 | 1016.5 | ||||||
| 22 | 07:56 | W 22 | 16.09 | Partly Cloudy | FEW035 FEW075 SCT250 | 4.4 | -6.1 | 47% | 0 | 76.23 | 1016.4 | ||||||
| 22 | 06:56 | W 17 | 16.09 | Partly Cloudy | SCT075 SCT250 | 3.9 | -5 | 5.6 | 3.9 | 53% | 0 | 76.2 | 1015.9 | ||||
| 22 | 05:56 | SW 19 | 16.09 | Mostly Cloudy | BKN075 | 4.4 | -3.9 | 55% | 1 | 76.15 | 1015.2 | ||||||
| 22 | 04:56 | SW 17 | 16.09 | Overcast | OVC065 | 5 | -2.8 | 57% | 2 | 76.17 | 1015.5 | ||||||
| 22 | 03:56 | SW 19 | 16.09 | Overcast | OVC070 | 5 | -2.2 | 60% | 2 | 76.17 | 1015.7 | ||||||
| 21 | 23:56 | SW 24 G 37 | 16.09 | Overcast | FEW080 OVC120 | 3.9 | -0.6 | 73% | -0 | 76.56 | 1020.5 | ||||||
| 21 | 22:56 | SW 17 G 33 | 16.09 | Overcast | BKN080 OVC110 | 3.9 | -1.1 | 70% | 0 | 76.61 | 1021.5 | ||||||
| 21 | 21:56 | SW 24 G 39 | 16.09 | Overcast | SCT028 BKN080 OVC110 | 3.9 | 0 | 76% | -0 | 76.68 | 1022.3 | ||||||
| 21 | 20:56 | SW 30 G 43 | 16.09 | Overcast | BKN029 BKN060 OVC095 | 4.4 | -0.6 | 70% | -0 | 76.76 | 1023.2 | ||||||
| 21 | 19:56 | S 28 G 48 | 16.09 | Overcast | SCT028 BKN035 OVC065 | 3.9 | -1.1 | 70% | -1 | 76.78 | 1024.0 | ||||||
| 21 | 18:56 | S 30 G 50 | 16.09 | Overcast | BKN033 OVC065 | 3.3 | -2.2 | 3.3 | -1.7 | 68% | -2 | 76.84 | 1024.6 | ||||
| 21 | 17:56 | S 33 G 48 | 16.09 | Overcast and Breezy | BKN033 BKN090 OVC250 | 2.8 | -3.3 | 65% | -3 | 76.91 | 1025.3 | ||||||
| 21 | 16:56 | S 26 G 48 | 16.09 | Mostly Cloudy | BKN030 | 2.2 | -4.4 | 62% | -3 | 76.94 | 1025.7 | ||||||
| 21 | 15:56 | S 20 G 43 | 16.09 | Partly Cloudy | SCT034 SCT150 SCT200 SCT250 | 0.6 | -6.1 | 61% | -4 | 77.04 | 1027.1 | ||||||
| 21 | 14:56 | S 28 G 46 | 16.09 | Partly Cloudy | FEW040 FEW150 SCT250 | 0 | -9.4 | 50% | -6 | 77.04 | 1027.3 | ||||||
| 21 | 13:56 | SW 17 G 35 | 16.09 | Mostly Cloudy | FEW040 BKN190 BKN250 | -1.1 | -11.7 | 45% | -6 | 77.22 | 1029.5 | ||||||
| 21 | 12:56 | S 22 G 35 | 16.09 | Mostly Cloudy | FEW150 BKN170 BKN250 | -1.7 | -12.2 | -1.7 | -13.3 | 45% | -7 | 77.37 | 1031.5 | ||||
| 21 | 11:56 | SW 24 G 35 | 16.09 | Mostly Cloudy | FEW150 BKN250 | -2.2 | -13.3 | 43% | -8 | 77.44 | 1032.5 | ||||||
| 21 | 10:56 | W 15 | 16.09 | Partly Cloudy | SCT250 | -3.3 | -15 | 40% | -8 | 77.5 | 1033.4 | ||||||
| 21 | 09:56 | SW 7 | 16.09 | A Few Clouds | FEW250 | -5 | -17.8 | 36% | -8 | 77.55 | 1034.0 | ||||||
| 21 | 08:56 | SW 11 | 16.09 | A Few Clouds | FEW250 | -6.7 | -16.7 | 45% | -11 | 77.6 | 1034.8 | ||||||
| 21 | 07:56 | SW 9 | 16.09 | A Few Clouds | FEW250 | -10 | -17.8 | 53% | -14 | 77.6 | 1034.7 | ||||||
| 21 | 06:56 | W 7 | 16.09 | A Few Clouds | FEW250 | -10.6 | -18.9 | -8.9 | -11.1 | 51% | -14 | 77.6 | 1034.6 | ||||
| 21 | 05:56 | SW 9 | 16.09 | Fair | CLR | -10.6 | -18.3 | 54% | -15 | 77.55 | 1034.1 | ||||||
| 21 | 04:56 | W 6 | 16.09 | Fair | CLR | -11.1 | -18.3 | 56% | 77.55 | 1034.0 | |||||||
| 21 | 03:56 | W 7 | 16.09 | Fair | CLR | -10 | -18.9 | 49% | -14 | 77.5 | 1033.4 | ||||||
| 21 | 02:56 | W 7 | 16.09 | Fair | CLR | -9.4 | -18.9 | 46% | -13 | 77.52 | 1033.6 | ||||||
| 21 | 01:56 | NW 6 | 16.09 | Fair | CLR | -8.9 | -18.9 | 45% | 77.47 | 1033.1 | |||||||
| 21 | 00:56 | W 11 | 16.09 | Fair | CLR | -8.9 | -18.3 | -7.8 | -10.6 | 47% | -14 | 77.47 | 1032.9 | ||||
| 20 | 23:56 | W 7 | 16.09 | Fair | CLR | -9.4 | -18.3 | 49% | -13 | 77.47 | 1033.1 | ||||||
| 20 | 22:56 | SW 7 | 16.09 | Fair | CLR | -9.4 | -18.3 | 49% | -13 | 77.44 | 1032.5 | ||||||
| 20 | 21:56 | W 11 | 16.09 | Fair | CLR | -8.3 | -18.9 | 43% | -13 | 77.42 | 1032.3 | ||||||
| 20 | 20:56 | W 11 | 16.09 | Fair | CLR | -8.3 | -18.9 | 43% | -13 | 77.34 | 1031.4 | ||||||
| 20 | 19:56 | W 15 | 16.09 | Fair | CLR | -8.3 | -18.3 | 45% | -14 | 77.32 | 1030.7 | ||||||
| 20 | 18:56 | W 20 | 16.09 | A Few Clouds | FEW050 | -7.8 | -18.3 | -5.6 | -7.8 | 43% | -15 | 77.24 | 1029.8 | ||||
| 20 | 17:56 | W 20 | 16.09 | A Few Clouds | FEW050 | -7.2 | -18.3 | 41% | -14 | 77.17 | 1028.8 | ||||||
| 20 | 16:56 | W 15 | 16.09 | A Few Clouds | FEW050 | -6.7 | -18.9 | 38% | -12 | 77.06 | 1027.4 | ||||||
| 20 | 15:56 | W 24 | 16.09 | A Few Clouds | FEW050 | -6.1 | -18.9 | 36% | -13 | 76.96 | 1026.2 | ||||||
| 20 | 14:56 | W 26 | 16.09 | A Few Clouds | FEW050 | -6.1 | -18.3 | 38% | -13 | 76.89 | 1025.2 | ||||||
| 20 | 13:56 | NW 30 G 37 | 16.09 | A Few Clouds | FEW050 | -6.1 | -18.3 | 38% | -14 | 76.84 | 1024.5 | ||||||
| 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) | |||||||||||||||