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. | ||||||||||||||||
| 15 | 08:56 | NE 9 | 16.09 | Mostly Cloudy | FEW130 BKN250 | 1.1 | -4.4 | 67% | -1 | 76.45 | 1019.3 | ||||||
| 15 | 07:56 | N 9 | 12.87 | Mostly Cloudy | FEW130 BKN250 | -1.7 | -5.6 | 75% | -5 | 76.4 | 1018.6 | ||||||
| 15 | 06:56 | Calm | 11.27 | Mostly Cloudy | BKN130 BKN250 | -3.9 | -6.1 | -3.3 | -5 | 85% | 76.33 | 1017.7 | |||||
| 15 | 05:56 | Calm | 11.27 | Mostly Cloudy | FEW130 BKN250 | -5 | -6.1 | 92% | 76.3 | 1017.1 | |||||||
| 15 | 04:56 | Calm | 8.05 | Fog/Mist | CLR | -3.9 | -5.6 | 88% | 76.28 | 1017.0 | |||||||
| 15 | 03:56 | Calm | 9.66 | Fog/Mist | CLR | -3.3 | -5 | 88% | 76.28 | 1017.0 | |||||||
| 15 | 02:56 | Calm | 9.66 | Fog/Mist | CLR | -3.9 | -5.6 | 88% | 76.28 | 1017.0 | |||||||
| 15 | 01:56 | Calm | 8.05 | Fog/Mist | CLR | -4.4 | -6.1 | 88% | 76.33 | 1017.6 | |||||||
| 15 | 00:56 | Calm | 8.05 | Fog/Mist | CLR | -4.4 | -6.1 | 1.7 | -4.4 | 88% | 76.38 | 1018.2 | |||||
| 14 | 23:56 | Calm | 9.66 | Fog/Mist | FEW250 | -3.3 | -5 | 88% | 76.4 | 1018.7 | |||||||
| 14 | 22:56 | Calm | 12.87 | A Few Clouds | FEW250 | -4.4 | -5.6 | 91% | 76.4 | 1018.7 | |||||||
| 14 | 21:56 | Calm | 16.09 | A Few Clouds | FEW250 | -2.2 | -4.4 | 85% | 76.43 | 1018.9 | |||||||
| 14 | 20:56 | Calm | 16.09 | A Few Clouds | FEW250 | -1.7 | -4.4 | 82% | 76.43 | 1019.0 | |||||||
| 14 | 19:56 | Calm | 16.09 | A Few Clouds | FEW250 | 0.6 | -3.9 | 72% | 76.43 | 1018.8 | |||||||
| 14 | 18:56 | Calm | 16.09 | Partly Cloudy | FEW060 SCT250 | 1.7 | -3.9 | 6.1 | 0.6 | 67% | 76.4 | 1018.6 | |||||
| 14 | 17:56 | W 6 | 16.09 | Partly Cloudy | SCT055 SCT250 | 2.2 | -4.4 | 62% | 76.38 | 1018.2 | |||||||
| 14 | 16:56 | SW 9 | 16.09 | Partly Cloudy | SCT055 SCT250 | 3.3 | -4.4 | 57% | 1 | 76.3 | 1017.3 | ||||||
| 14 | 15:56 | NW 20 | 16.09 | Partly Cloudy | FEW055 SCT250 | 5.6 | -5 | 47% | 2 | 76.28 | 1016.9 | ||||||
| 14 | 14:56 | NW 17 | 16.09 | Partly Cloudy | FEW048 SCT250 | 5.6 | -5 | 47% | 3 | 76.25 | 1016.5 | ||||||
| 14 | 13:56 | W 19 | 16.09 | Partly Cloudy | FEW041 SCT250 | 4.4 | -4.4 | 53% | 1 | 76.25 | 1016.7 | ||||||
| 14 | 12:56 | W 9 | 16.09 | Mostly Cloudy | BKN047 BKN065 BKN250 | 3.9 | -5 | 3.9 | -2.2 | 53% | 2 | 76.3 | 1017.2 | ||||
| 14 | 11:56 | W 11 | 16.09 | Mostly Cloudy | SCT050 BKN070 BKN250 | 3.3 | -5 | 55% | 1 | 76.33 | 1017.6 | ||||||
| 14 | 10:56 | W 17 | 16.09 | Mostly Cloudy | BKN049 BKN060 BKN250 | 2.2 | -5.6 | 57% | -2 | 76.38 | 1018.2 | ||||||
| 14 | 09:56 | W 22 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 1.7 | -6.7 | 54% | -3 | 76.4 | 1018.8 | ||||||
| 14 | 08:56 | W 15 | 16.09 | Mostly Cloudy | SCT080 BKN250 | 0 | -7.8 | 56% | -4 | 76.43 | 1018.9 | ||||||
| 14 | 07:56 | W 15 | 16.09 | Mostly Cloudy | BKN080 BKN250 | -2.2 | -7.2 | 69% | -7 | 76.45 | 1019.2 | ||||||
| 14 | 06:56 | W 17 | 16.09 | Mostly Cloudy | BKN070 BKN250 | -1.7 | -6.7 | -1.7 | -6.7 | 69% | -6 | 76.45 | 1019.4 | ||||
| 14 | 05:56 | W 15 | 16.09 | Overcast | SCT060 OVC080 | -2.2 | -8.3 | 63% | -7 | 76.43 | 1019.0 | ||||||
| 14 | 04:56 | W 11 | 16.09 | Overcast | OVC055 | -3.3 | -8.3 | 69% | -7 | 76.45 | 1019.2 | ||||||
| 14 | 03:56 | W 6 | 16.09 | Overcast | BKN070 OVC085 | -5 | -9.4 | 72% | 76.45 | 1019.2 | |||||||
| 14 | 02:56 | Calm | 16.09 | Overcast | FEW075 OVC100 | -5.6 | -9.4 | 75% | 76.45 | 1019.5 | |||||||
| 14 | 01:56 | Calm | 16.09 | Fair | CLR | -6.1 | -10 | 74% | 76.48 | 1019.7 | |||||||
| 14 | 00:56 | W 7 | 16.09 | Fair | CLR | -3.9 | -8.9 | -0.6 | -5.6 | 69% | -7 | 76.5 | 1020.0 | ||||
| 13 | 23:56 | Calm | 16.09 | Mostly Cloudy | FEW180 BKN250 | -4.4 | -8.9 | 71% | 76.5 | 1020.1 | |||||||
| 13 | 22:56 | W 6 | 16.09 | Mostly Cloudy | SCT180 BKN230 | -2.8 | -8.3 | 66% | 76.48 | 1019.9 | |||||||
| 13 | 21:56 | W 7 | 16.09 | Overcast | BKN160 OVC220 | -2.2 | -7.8 | 66% | -5 | 76.5 | 1019.9 | ||||||
| 13 | 20:56 | SW 6 | 16.09 | Mostly Cloudy | BKN170 BKN220 | -1.7 | -8.3 | 61% | 76.5 | 1020.0 | |||||||
| 13 | 19:56 | SW 9 | 16.09 | Mostly Cloudy | SCT190 SCT220 BKN250 | -2.2 | -8.3 | 63% | -5 | 76.5 | 1020.1 | ||||||
| 13 | 18:56 | SW 6 | 16.09 | Partly Cloudy | SCT250 | -0.6 | -11.1 | 2.2 | -0.6 | 45% | 76.5 | 1020.1 | |||||
| 13 | 17:56 | W 7 | 16.09 | A Few Clouds | FEW250 | 0.6 | -11.1 | 42% | -1 | 76.48 | 1019.7 | ||||||
| 13 | 16:56 | NW 13 | 16.09 | A Few Clouds | FEW250 | 1.7 | -11.7 | 37% | -2 | 76.45 | 1019.4 | ||||||
| 13 | 15:56 | W 13 | 16.09 | A Few Clouds | FEW250 | 2.2 | -11.7 | 35% | -1 | 76.45 | 1019.3 | ||||||
| 13 | 14:56 | N 11 | 16.09 | A Few Clouds | FEW250 | 1.7 | -11.1 | 38% | -1 | 76.43 | 1019.2 | ||||||
| 13 | 13:56 | NW 15 | 16.09 | A Few Clouds | FEW250 | 1.1 | -11.1 | 40% | -3 | 76.45 | 1019.4 | ||||||
| 13 | 12:56 | NW 20 | 16.09 | A Few Clouds | FEW250 | 0 | -11.7 | 0 | -5.6 | 41% | -5 | 76.5 | 1019.9 | ||||
| 13 | 11:56 | N 17 G 30 | 16.09 | A Few Clouds | FEW250 | -0.6 | -11.7 | 43% | -5 | 76.53 | 1020.6 | ||||||
| 13 | 10:56 | NW 22 | 16.09 | A Few Clouds | FEW250 | -2.2 | -11.7 | 49% | -8 | 76.56 | 1020.9 | ||||||
| 13 | 09:56 | N 24 | 16.09 | Partly Cloudy | SCT250 | -2.8 | -11.7 | 51% | -9 | 76.58 | 1021.1 | ||||||
| 13 | 08:56 | N 24 G 41 | 16.09 | Partly Cloudy | SCT250 | -3.9 | -12.2 | 53% | -10 | 76.56 | 1020.6 | ||||||
| 13 | 07:56 | N 19 | 16.09 | Partly Cloudy | SCT250 | -5 | -12.8 | 55% | -11 | 76.53 | 1020.3 | ||||||
| 13 | 06:56 | N 19 | 16.09 | A Few Clouds | FEW250 | -5.6 | -12.8 | -3.9 | -5.6 | 57% | -12 | 76.48 | 1019.6 | ||||
| 13 | 05:56 | N 20 | 16.09 | A Few Clouds | FEW250 | -5.6 | -12.8 | 57% | -12 | 76.43 | 1018.9 | ||||||
| 13 | 04:56 | NW 19 | 16.09 | Fair | CLR | -5.6 | -12.2 | 60% | -12 | 76.38 | 1018.5 | ||||||
| 13 | 03:56 | NW 22 | 16.09 | Fair | CLR | -5 | -12.2 | 57% | -11 | 76.35 | 1018.1 | ||||||
| 13 | 02:56 | NW 22 | 16.09 | Fair | CLR | -5 | -11.7 | 60% | -11 | 76.33 | 1017.7 | ||||||
| 13 | 01:56 | NW 22 | 16.09 | Fair | CLR | -4.4 | -11.7 | 57% | -11 | 76.35 | 1017.9 | ||||||
| 13 | 00:56 | NW 19 | 16.09 | Fair | CLR | -3.9 | -11.7 | -0.6 | -3.9 | 55% | -9 | 76.33 | 1017.6 | ||||
| 12 | 23:56 | NW 20 G 31 | 16.09 | Mostly Cloudy | FEW170 BKN250 | -3.3 | -11.1 | 55% | -9 | 76.3 | 1017.5 | ||||||
| 12 | 22:56 | NW 24 G 35 | 16.09 | Mostly Cloudy | FEW180 BKN250 | -2.8 | -11.1 | 53% | -9 | 76.28 | 1017.1 | ||||||
| 12 | 21:56 | NW 26 | 16.09 | Mostly Cloudy | FEW180 BKN250 | -2.2 | -11.1 | 51% | -8 | 76.28 | 1017.0 | ||||||
| 12 | 20:56 | NW 24 | 16.09 | Mostly Cloudy | SCT200 BKN250 | -1.7 | -10 | 54% | -8 | 76.25 | 1016.6 | ||||||
| 12 | 19:56 | N 20 | 16.09 | Mostly Cloudy | FEW200 BKN250 | -1.1 | -10 | 51% | -6 | 76.2 | 1016.1 | ||||||
| 12 | 18:56 | N 13 | 16.09 | Mostly Cloudy | BKN250 | -0.6 | -9.4 | 1.7 | -0.6 | 52% | -4 | 76.17 | 1015.5 | ||||
| 12 | 17:56 | NW 17 | 16.09 | Partly Cloudy | FEW045 SCT250 | 0 | -8.9 | 52% | -4 | 76.1 | 1014.6 | ||||||
| 12 | 16:56 | NW 17 G 50 | 16.09 | A Few Clouds | FEW045 FEW250 | 1.1 | -9.4 | 46% | -3 | 76.05 | 1013.9 | ||||||
| 12 | 15:56 | NW 24 G 39 | 16.09 | A Few Clouds | FEW047 FEW250 | 1.7 | -10 | 42% | -3 | 76.02 | 1013.4 | ||||||
| 12 | 14:56 | NW 31 G 44 | 16.09 | A Few Clouds | FEW047 FEW250 | 1.7 | -10 | 42% | -4 | 76 | 1013.3 | ||||||
| 12 | 13:56 | NW 26 G 52 | 16.09 | A Few Clouds | FEW042 FEW150 FEW250 | 1.1 | -9.4 | 46% | -4 | 76 | 1013.3 | ||||||
| 12 | 11:56 | NW 37 G 52 | 16.09 | A Few Clouds and Breezy | FEW040 | 0 | -9.4 | 50% | -7 | 76.02 | 1013.6 | ||||||
| 12 | 10:56 | NW 28 G 46 | 16.09 | Partly Cloudy | SCT039 | -0.6 | -9.4 | 52% | -7 | 76.05 | 1013.9 | ||||||
| 12 | 09:56 | N 28 G 43 | 16.09 | Partly Cloudy | SCT037 | -1.1 | -9.4 | 54% | -7 | 76.05 | 1013.9 | ||||||
| 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) | |||||||||||||||