Weather observations for the past three days for
    Islip, Long Island Mac Arthur Airport
    | Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 03 | 22:56 | W 14 | 10.00 | Fair | CLR | 53.1 | 39 | 59% | 29.82 | 1009.8 | |||||||
| 03 | 21:56 | W 10 | 10.00 | A Few Clouds | FEW041 FEW080 | 53.1 | 46.9 | 80% | 29.84 | 1010.3 | 0.02 | ||||||
| 03 | 20:56 | W 10 | 10.00 | Light Rain | FEW018 BKN055 BKN080 BKN130 | 55 | 48.9 | 80% | 29.84 | 1010.5 | 0.02 | ||||||
| 03 | 19:56 | SW 12 | 10.00 | Light Rain | FEW017 SCT022 OVC075 | 57 | 50 | 78% | 29.84 | 1010.3 | |||||||
| 03 | 18:56 | S 8 | 10.00 | Overcast | BKN022 OVC130 | 55.9 | 50 | 60.1 | 55 | 81% | 29.86 | 1011.2 | |||||
| 03 | 17:56 | SW 9 | 10.00 | Overcast | BKN029 BKN044 OVC180 | 55.9 | 48.9 | 77% | 29.9 | 1012.4 | |||||||
| 03 | 16:56 | S 7 | 10.00 | Mostly Cloudy | FEW022 BKN047 BKN080 BKN130 BKN250 | 55.9 | 46.9 | 72% | 29.89 | 1012.0 | |||||||
| 03 | 15:56 | S 3 | 10.00 | Overcast | FEW026 OVC047 | 57 | 46.9 | 69% | 29.92 | 1013.0 | |||||||
| 03 | 14:56 | S 5 | 10.00 | Overcast | SCT026 SCT035 OVC065 | 57 | 46 | 67% | 29.95 | 1014.2 | |||||||
| 03 | 13:56 | S 9 | 10.00 | Overcast | BKN026 BKN035 OVC070 | 57.9 | 45 | 62% | 29.99 | 1015.4 | |||||||
| 03 | 12:56 | S 12 | 10.00 | Mostly Cloudy | SCT032 BKN150 BKN250 | 60.1 | 45 | 61 | 48.9 | 58% | 30 | 1015.9 | |||||
| 03 | 11:56 | S 14 | 10.00 | Mostly Cloudy | FEW032 BKN075 BKN160 BKN250 | 59 | 44.1 | 58% | 30.06 | 1017.7 | |||||||
| 03 | 10:56 | S 9 | 10.00 | Mostly Cloudy | FEW030 BKN075 BKN095 BKN250 | 60.1 | 46 | 60% | 30.11 | 1019.7 | |||||||
| 03 | 09:56 | SW 5 | 10.00 | Mostly Cloudy | FEW030 SCT090 BKN110 BKN250 | 59 | 45 | 60% | 30.14 | 1020.5 | |||||||
| 03 | 08:56 | S 8 | 10.00 | Mostly Cloudy | BKN100 BKN170 BKN250 | 57 | 48 | 72% | 30.16 | 1021.2 | |||||||
| 03 | 06:56 | Calm | 10.00 | Mostly Cloudy | BKN130 BKN160 BKN250 | 48.9 | 46.9 | 48.9 | 44.1 | 93% | 30.19 | 1022.4 | |||||
| 03 | 05:56 | Calm | 10.00 | Overcast | BKN140 BKN170 OVC250 | 48 | 45 | 89% | 30.19 | 1022.4 | |||||||
| 03 | 04:56 | NE 3 | 10.00 | Fair | CLR | 46.9 | 44.1 | 90% | 30.2 | 1022.7 | |||||||
| 03 | 03:56 | Calm | 10.00 | Fair | CLR | 46 | 43 | 89% | 30.23 | 1023.7 | |||||||
| 03 | 02:56 | Calm | 10.00 | Fair | CLR | 45 | 42.1 | 90% | 30.24 | 1023.9 | |||||||
| 03 | 01:56 | Calm | 10.00 | Fair | CLR | 45 | 41 | 86% | 30.24 | 1024.1 | |||||||
| 03 | 00:56 | Calm | 10.00 | Fair | CLR | 45 | 41 | 50 | 45 | 86% | 30.25 | 1024.3 | |||||
| 02 | 23:56 | Calm | 10.00 | Mostly Cloudy | BKN210 | 46 | 42.1 | 86% | 30.26 | 1024.5 | |||||||
| 02 | 22:56 | Calm | 10.00 | Mostly Cloudy | FEW170 BKN210 | 46 | 42.1 | 86% | 30.27 | 1025.0 | |||||||
| 02 | 21:56 | Calm | 10.00 | Mostly Cloudy | FEW170 BKN220 | 46.9 | 42.1 | 83% | 30.27 | 1025.2 | |||||||
| 02 | 20:56 | Calm | 10.00 | Mostly Cloudy | BKN250 | 46.9 | 43 | 86% | 30.28 | 1025.3 | |||||||
| 02 | 19:56 | Calm | 10.00 | Mostly Cloudy | FEW200 BKN250 | 48.9 | 43 | 80% | 30.28 | 1025.2 | |||||||
| 02 | 18:56 | SW 3 | 10.00 | Mostly Cloudy | BKN250 | 50 | 43 | 60.1 | 50 | 77% | 30.27 | 1025.2 | |||||
| 02 | 17:56 | SW 6 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 51.1 | 42.1 | 71% | 30.27 | 1025.2 | |||||||
| 02 | 16:56 | SW 7 | 10.00 | Mostly Cloudy | SCT200 BKN250 | 54 | 42.1 | 64% | 30.25 | 1024.4 | |||||||
| 02 | 15:56 | SW 10 | 10.00 | Partly Cloudy | SCT200 | 57 | 41 | 55% | 30.25 | 1024.3 | |||||||
| 02 | 14:56 | SW 10 | 10.00 | Partly Cloudy | FEW055 SCT250 | 57.9 | 39.9 | 51% | 30.24 | 1024.2 | |||||||
| 02 | 13:56 | SW 10 | 10.00 | A Few Clouds | FEW055 FEW250 | 59 | 39.9 | 49% | 30.24 | 1024.0 | |||||||
| 02 | 12:56 | W 6 | 10.00 | A Few Clouds | FEW250 | 60.1 | 37 | 61 | 37.9 | 42% | 30.25 | 1024.2 | |||||
| 02 | 11:56 | NW 7 | 10.00 | A Few Clouds | FEW070 FEW250 | 59 | 35.1 | 41% | 30.28 | 1025.3 | |||||||
| 02 | 10:56 | N 7 | 10.00 | A Few Clouds | FEW250 | 57 | 36 | 45% | 30.3 | 1025.9 | |||||||
| 02 | 09:56 | NW 7 | 10.00 | A Few Clouds | FEW250 | 54 | 37 | 53% | 30.3 | 1026.1 | |||||||
| 02 | 08:56 | NW 5 | 10.00 | A Few Clouds | FEW250 | 51.1 | 37.9 | 61% | 30.31 | 1026.3 | |||||||
| 02 | 07:56 | Calm | 10.00 | A Few Clouds | FEW250 | 45 | 42.1 | 90% | 30.29 | 1025.8 | |||||||
| 02 | 06:56 | Calm | 10.00 | A Few Clouds | FEW250 | 37.9 | 35.1 | 42.1 | 37 | 89% | 30.26 | 1024.8 | |||||
| 02 | 05:56 | Calm | 10.00 | A Few Clouds | FEW030 FEW250 | 37.9 | 34 | 86% | 30.24 | 1023.9 | |||||||
| 02 | 04:56 | Calm | 10.00 | Fair | CLR | 37 | 33.1 | 86% | 30.23 | 1023.6 | |||||||
| 02 | 03:56 | W 3 | 10.00 | Fair | CLR | 39 | 34 | 82% | 30.2 | 1022.8 | |||||||
| 02 | 02:56 | NE 3 | 10.00 | Fair | CLR | 39 | 34 | 82% | 30.18 | 1022.1 | |||||||
| 02 | 01:56 | Calm | 10.00 | Fair | CLR | 41 | 34 | 76% | 30.17 | 1021.6 | |||||||
| 02 | 01:56 | Calm | 10.00 | Fair | CLR | 42.1 | 33.1 | 52 | 42.1 | 71% | 30.15 | 1021.0 | |||||
| 02 | 00:56 | W 7 | 10.00 | Fair | CLR | 46.9 | 35.1 | 63% | 44 | 30.13 | 1020.3 | ||||||
| 01 | 23:56 | W 7 | 10.00 | Partly Cloudy | SCT250 | 46.9 | 35.1 | 63% | 44 | 30.11 | 1019.5 | ||||||
| 01 | 22:56 | W 6 | 10.00 | Partly Cloudy | SCT250 | 44.1 | 33.1 | 65% | 41 | 30.1 | 1019.4 | ||||||
| 01 | 21:56 | W 5 | 10.00 | Partly Cloudy | FEW070 SCT250 | 48.9 | 33.1 | 55% | 48 | 30.09 | 1018.7 | ||||||
| 01 | 20:56 | W 6 | 10.00 | Mostly Cloudy | FEW070 BKN250 | 50 | 32 | 50% | 48 | 30.06 | 1017.8 | ||||||
| 01 | 19:56 | NW 7 | 10.00 | Mostly Cloudy | FEW065 BKN250 | 52 | 30.9 | 60.1 | 52 | 45% | 30.04 | 1017.2 | |||||
| 01 | 18:56 | NW 9 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 54 | 30.9 | 42% | 30.01 | 1016.0 | |||||||
| 01 | 17:56 | NW 14 G 21 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 55 | 30.9 | 40% | 29.98 | 1015.2 | |||||||
| 01 | 16:56 | NW 15 G 25 | 10.00 | Partly Cloudy | SCT065 SCT250 | 57 | 30.9 | 37% | 29.94 | 1013.9 | |||||||
| 01 | 15:56 | NW 16 G 25 | 10.00 | Partly Cloudy | SCT060 SCT250 | 60.1 | 32 | 35% | 29.92 | 1013.0 | |||||||
| 01 | 14:56 | NW 21 G 30 | 10.00 | Partly Cloudy and Breezy | SCT060 SCT250 | 60.1 | 30.9 | 33% | 29.9 | 1012.4 | |||||||
| 01 | 13:56 | W 21 G 31 | 10.00 | Partly Cloudy and Breezy | FEW060 SCT250 | 60.1 | 30.9 | 60.1 | 50 | 33% | 29.89 | 1012.0 | |||||
| 01 | 12:56 | W 16 G 30 | 10.00 | Mostly Cloudy | FEW060 BKN250 | 59 | 30.9 | 35% | 29.88 | 1011.8 | |||||||
| 01 | 11:56 | W 24 G 36 | 10.00 | Partly Cloudy and Breezy | FEW060 SCT250 | 57 | 30 | 36% | 29.88 | 1011.8 | |||||||
| 01 | 10:56 | W 23 G 39 | 10.00 | Mostly Cloudy and Breezy | FEW060 BKN250 | 55 | 30 | 38% | 29.87 | 1011.4 | |||||||
| 01 | 09:56 | W 15 G 33 | 10.00 | Mostly Cloudy | BKN250 | 55 | 30 | 38% | 29.87 | 1011.5 | |||||||
| 01 | 07:56 | W 15 | 10.00 | A Few Clouds | FEW060 FEW250 | 50 | 30 | 53.1 | 50 | 46% | 45 | 29.82 | 1009.8 | ||||
| 01 | 06:56 | W 12 G 25 | 10.00 | A Few Clouds | FEW060 | 50 | 28.9 | 44% | 46 | 29.79 | 1008.9 | ||||||
| 01 | 05:56 | W 15 G 31 | 10.00 | Fair | CLR | 51.1 | 28.9 | 43% | 29.77 | 1007.9 | |||||||
| 01 | 04:56 | W 16 G 31 | 10.00 | Fair | CLR | 51.1 | 28.9 | 43% | 29.73 | 1006.6 | |||||||
| 01 | 03:56 | W 22 G 43 | 10.00 | Fair and Breezy | CLR | 52 | 28 | 40% | 29.71 | 1005.9 | |||||||
| 01 | 02:56 | W 22 G 33 | 10.00 | Fair and Breezy | CLR | 52 | 28.9 | 41% | 29.69 | 1005.2 | |||||||
| 01 | 01:56 | W 18 G 28 | 10.00 | Fair | CLR | 53.1 | 28.9 | 57.9 | 53.1 | 40% | 29.65 | 1004.1 | |||||
| 01 | 00:56 | W 17 G 32 | 10.00 | A Few Clouds | FEW060 | 54 | 30 | 40% | 29.62 | 1003.1 | |||||||
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | 
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||