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. | ||||||||||||||||
| 21 | 06:56 | Calm | 16.09 | Overcast | OVC030 | 5 | 1.1 | 5 | -0.6 | 76% | 76.45 | 1019.3 | |||||
| 21 | 05:56 | Calm | 16.09 | Overcast | FEW027 OVC037 | 4.4 | 1.1 | 79% | 76.45 | 1019.2 | |||||||
| 21 | 03:56 | Calm | 16.09 | Overcast | SCT039 OVC055 | 2.8 | 0 | 82% | 76.45 | 1019.2 | |||||||
| 21 | 02:56 | Calm | 16.09 | Overcast | OVC041 | 1.1 | -1.1 | 85% | 76.5 | 1020.1 | |||||||
| 21 | 01:56 | Calm | 16.09 | Partly Cloudy | SCT055 | 0 | -2.8 | 82% | 76.53 | 1020.1 | |||||||
| 21 | 00:56 | Calm | 16.09 | Fair | CLR | -0.6 | -3.3 | 2.2 | -1.1 | 82% | 76.53 | 1020.5 | |||||
| 20 | 23:56 | Calm | 16.09 | A Few Clouds | FEW050 | 0 | -2.8 | 82% | 76.66 | 1021.9 | |||||||
| 20 | 22:56 | N 6 | 16.09 | Fair | CLR | 0 | -2.8 | 82% | 76.63 | 1021.7 | |||||||
| 20 | 21:56 | Calm | 16.09 | Fair | CLR | 0 | -3.3 | 79% | 76.61 | 1021.3 | |||||||
| 20 | 20:56 | Calm | 16.09 | Fair | CLR | 0.6 | -3.3 | 75% | 76.63 | 1021.8 | |||||||
| 20 | 19:56 | Calm | 16.09 | A Few Clouds | FEW250 | 1.1 | -3.3 | 73% | 76.63 | 1021.8 | |||||||
| 20 | 18:56 | Calm | 16.09 | A Few Clouds | FEW250 | 2.2 | -3.3 | 10 | 1.7 | 67% | 76.66 | 1021.9 | |||||
| 20 | 17:56 | Calm | 16.09 | A Few Clouds | FEW250 | 3.3 | -3.3 | 62% | 76.66 | 1021.9 | |||||||
| 20 | 16:56 | Calm | 16.09 | A Few Clouds | FEW150 FEW250 | 6.1 | -2.8 | 53% | 76.66 | 1021.9 | |||||||
| 20 | 15:56 | NW 7 | 16.09 | Partly Cloudy | FEW050 SCT250 | 8.3 | -3.3 | 44% | 7 | 76.66 | 1022.0 | ||||||
| 20 | 14:56 | NE 6 | 16.09 | A Few Clouds | FEW055 FEW170 FEW250 | 9.4 | -3.3 | 41% | 76.66 | 1021.9 | |||||||
| 20 | 13:56 | N 7 | 16.09 | A Few Clouds | FEW050 FEW170 FEW250 | 9.4 | -2.8 | 43% | 9 | 76.63 | 1021.5 | ||||||
| 20 | 12:56 | N 7 | 16.09 | Partly Cloudy | FEW045 FEW170 SCT250 | 9.4 | -0.6 | 9.4 | 1.7 | 50% | 9 | 76.68 | 1022.4 | ||||
| 20 | 11:56 | N 13 | 16.09 | Mostly Cloudy | FEW045 SCT170 BKN250 | 8.3 | -0.6 | 54% | 6 | 76.73 | 1022.9 | ||||||
| 20 | 10:56 | NW 7 | 16.09 | Mostly Cloudy | BKN170 BKN250 | 8.9 | 0 | 54% | 8 | 76.81 | 1024.0 | ||||||
| 20 | 09:56 | NE 6 | 16.09 | Mostly Cloudy | BKN170 BKN250 | 7.2 | 0.6 | 63% | 76.86 | 1024.8 | |||||||
| 20 | 08:56 | NE 6 | 16.09 | Mostly Cloudy | FEW190 BKN250 | 6.1 | 0.6 | 68% | 76.86 | 1024.7 | |||||||
| 20 | 06:56 | N 7 | 16.09 | Mostly Cloudy | BKN250 | 2.2 | -1.1 | 2.8 | 1.1 | 79% | 0 | 76.81 | 1024.0 | ||||
| 20 | 05:56 | N 6 | 16.09 | Mostly Cloudy | BKN230 | 2.2 | -0.6 | 82% | 76.81 | 1024.0 | |||||||
| 20 | 04:56 | N 9 | 16.09 | Fair | CLR | 1.7 | -1.1 | 82% | -1 | 76.78 | 1023.6 | ||||||
| 20 | 03:56 | Calm | 16.09 | Fair | CLR | 2.2 | -1.1 | 79% | 76.76 | 1023.2 | |||||||
| 20 | 02:56 | NW 7 | 16.09 | Fair | CLR | 1.7 | -1.7 | 78% | -0 | 76.76 | 1023.5 | ||||||
| 20 | 01:56 | Calm | 16.09 | Fair | CLR | 2.2 | -1.1 | 79% | 76.76 | 1023.4 | |||||||
| 20 | 00:56 | Calm | 16.09 | Fair | CLR | 1.7 | -1.1 | 3.3 | 0.6 | 82% | 76.78 | 1023.7 | |||||
| 19 | 23:56 | N 6 | 16.09 | Mostly Cloudy | BKN240 | 1.1 | -0.6 | 89% | 76.78 | 1023.7 | |||||||
| 19 | 22:56 | N 9 | 16.09 | A Few Clouds | FEW250 | 1.7 | -1.1 | 82% | -1 | 76.81 | 1023.9 | ||||||
| 19 | 21:56 | NW 6 | 16.09 | A Few Clouds | FEW050 FEW250 | 1.1 | -1.1 | 85% | 76.78 | 1023.6 | |||||||
| 19 | 20:56 | Calm | 16.09 | Fair | CLR | 1.7 | -1.1 | 82% | 76.76 | 1023.4 | |||||||
| 19 | 19:56 | Calm | 16.09 | Fair | CLR | 2.2 | -1.1 | 79% | 76.78 | 1023.7 | |||||||
| 19 | 18:56 | Calm | 16.09 | A Few Clouds | FEW050 | 3.3 | -1.7 | 10 | 2.8 | 70% | 76.76 | 1023.2 | |||||
| 19 | 17:56 | Calm | 16.09 | A Few Clouds | FEW050 | 3.9 | -1.7 | 67% | 76.71 | 1022.6 | |||||||
| 19 | 16:56 | N 6 | 16.09 | Partly Cloudy | SCT050 | 6.1 | -0.6 | 63% | 76.66 | 1022.1 | |||||||
| 19 | 15:56 | N 7 | 16.09 | Partly Cloudy | FEW035 SCT055 | 7.8 | 0 | 58% | 7 | 76.63 | 1021.7 | ||||||
| 19 | 14:56 | N 11 | 16.09 | A Few Clouds | FEW030 FEW065 | 9.4 | 1.1 | 56% | 8 | 76.61 | 1021.2 | ||||||
| 19 | 13:56 | N 11 | 16.09 | Partly Cloudy | SCT026 SCT065 SCT250 | 8.3 | 1.1 | 61% | 7 | 76.56 | 1020.8 | ||||||
| 19 | 12:56 | NE 11 | 16.09 | Mostly Cloudy | BKN022 BKN043 BKN065 BKN150 BKN250 | 8.9 | 2.8 | 8.9 | 4.4 | 66% | 7 | 76.56 | 1020.6 | 0.03 | |||
| 19 | 11:56 | NE 11 | 16.09 | Overcast | BKN017 BKN048 OVC065 | 8.3 | 3.3 | 71% | 7 | 76.61 | 1021.2 | ||||||
| 19 | 10:56 | NE 17 | 16.09 | Mostly Cloudy | FEW018 BKN043 BKN070 BKN130 BKN250 | 7.2 | 3.3 | 77% | 5 | 76.63 | 1021.7 | ||||||
| 19 | 09:56 | NE 9 | 16.09 | Light Rain | FEW012 FEW029 OVC038 | 5.6 | 2.8 | 82% | 4 | 76.68 | 1022.2 | 0.03 | |||||
| 19 | 08:56 | NE 6 | 16.09 | Light Rain | OVC042 | 5.6 | 3.3 | 85% | 76.66 | 1021.9 | 0.03 | ||||||
| 19 | 07:56 | Calm | 16.09 | Overcast | OVC046 | 5 | 2.8 | 86% | 76.66 | 1022.0 | |||||||
| 19 | 06:56 | Calm | 16.09 | Light Rain | SCT031 BKN041 OVC055 | 4.4 | 2.2 | 5.6 | 3.3 | 86% | 76.63 | 1021.7 | 0.03 | 0.1 | |||
| 19 | 05:56 | Calm | 16.09 | Light Rain | SCT022 OVC029 | 5 | 1.7 | 79% | 76.63 | 1021.7 | 0.05 | ||||||
| 19 | 04:56 | Calm | 16.09 | Light Rain | OVC039 | 5 | 0.6 | 73% | 76.61 | 1021.4 | 0.03 | ||||||
| 19 | 03:56 | Calm | 16.09 | Overcast | OVC065 | 5 | -0.6 | 67% | 76.56 | 1020.8 | |||||||
| 19 | 02:56 | Calm | 16.09 | Overcast | OVC060 | 5 | -1.1 | 65% | 76.61 | 1021.2 | |||||||
| 19 | 01:56 | Calm | 16.09 | Overcast | OVC060 | 4.4 | -0.6 | 70% | 76.61 | 1021.4 | |||||||
| 19 | 00:56 | Calm | 16.09 | Overcast | OVC060 | 3.3 | -1.7 | 6.7 | 2.2 | 70% | 76.61 | 1021.2 | |||||
| 18 | 23:56 | Calm | 16.09 | Mostly Cloudy | FEW060 BKN100 BKN250 | 2.2 | -2.8 | 70% | 76.63 | 1021.6 | |||||||
| 18 | 22:56 | Calm | 16.09 | Overcast | SCT120 OVC250 | 2.2 | -3.3 | 67% | 76.61 | 1021.5 | |||||||
| 18 | 21:56 | Calm | 16.09 | Mostly Cloudy | FEW090 FEW200 BKN250 | 2.8 | -3.9 | 62% | 76.63 | 1021.6 | |||||||
| 18 | 20:56 | Calm | 16.09 | Mostly Cloudy | FEW090 BKN250 | 3.3 | -3.9 | 60% | 76.61 | 1021.3 | |||||||
| 18 | 19:56 | NW 7 | 16.09 | Mostly Cloudy | FEW050 BKN120 BKN250 | 5.6 | -3.9 | 51% | 4 | 76.56 | 1020.8 | ||||||
| 18 | 18:56 | W 7 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 6.7 | -4.4 | 10 | 6.7 | 45% | 6 | 76.58 | 1021.0 | ||||
| 18 | 17:56 | W 13 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 7.2 | -4.4 | 44% | 5 | 76.56 | 1020.8 | ||||||
| 18 | 16:56 | W 11 | 16.09 | Mostly Cloudy | FEW050 SCT120 BKN250 | 7.2 | -4.4 | 44% | 5 | 76.5 | 1020.0 | ||||||
| 18 | 15:56 | W 15 | 16.09 | Mostly Cloudy | FEW050 SCT150 BKN250 | 7.8 | -4.4 | 42% | 6 | 76.48 | 1019.7 | ||||||
| 18 | 14:56 | NW 20 G 33 | 16.09 | Mostly Cloudy | FEW055 FEW080 FEW150 BKN250 | 8.9 | -5 | 37% | 6 | 76.43 | 1019.1 | ||||||
| 18 | 13:56 | NW 19 G 35 | 16.09 | Partly Cloudy | FEW055 FEW170 SCT250 | 9.4 | -4.4 | 38% | 7 | 76.43 | 1019.0 | ||||||
| 18 | 12:56 | W 24 G 31 | 16.09 | Partly Cloudy | FEW055 FEW190 SCT250 | 8.9 | -4.4 | 9.4 | 2.2 | 39% | 6 | 76.45 | 1019.2 | ||||
| 18 | 11:56 | W 15 | 16.09 | Partly Cloudy | FEW055 FEW080 FEW190 SCT250 | 8.3 | -5 | 39% | 6 | 76.48 | 1019.7 | ||||||
| 18 | 10:56 | NW 20 G 39 | 16.09 | A Few Clouds | FEW050 FEW080 FEW190 FEW250 | 7.8 | -5 | 40% | 5 | 76.53 | 1020.3 | ||||||
| 18 | 09:56 | NW 19 | 16.09 | A Few Clouds | FEW045 FEW070 FEW250 | 7.2 | -5 | 42% | 4 | 76.56 | 1020.7 | ||||||
| 18 | 08:56 | NW 20 G 39 | 16.09 | A Few Clouds | FEW045 FEW070 | 6.7 | -5 | 43% | 3 | 76.5 | 1020.1 | ||||||
| 18 | 07:56 | NW 19 | 16.09 | A Few Clouds | FEW045 FEW065 | 5 | -5 | 49% | 2 | 76.5 | 1019.8 | ||||||
| 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) | |||||||||||||||