Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Metric (Imperial)
Date Time (edt) 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 12:56 S 15 16.09 A Few Clouds FEW055 30 21.7 61% 33 76.58 1020.7
21 11:56 S 13 16.09 A Few Clouds FEW055 FEW250 30 22.2 63% 33 76.61 1021.2
21 10:56 SE 13 16.09 A Few Clouds FEW250 29.4 22.2 65% 33 76.61 1021.0
21 09:56 NW 9 16.09 Mostly Cloudy FEW070 BKN250 30 20.6 57% 32 76.63 1021.4
21 08:56 W 11 16.09 Partly Cloudy SCT250 28.3 20 61% 30 76.63 1021.5
21 07:56 SW 11 16.09 Partly Cloudy FEW070 SCT250 26.1 20 26.1 21.1 69% 27 76.66 1021.8
21 06:56 Calm 16.09 Partly Cloudy FEW060 SCT250 23.9 19.4 76% 24 76.66 1021.9
21 05:56 SW 9 16.09 A Few Clouds FEW060 FEW250 21.7 19.4 87% 76.66 1021.8
21 04:56 SW 6 16.09 Fair CLR 21.1 19.4 90% 76.66 1022.0
21 03:56 SW 7 16.09 Fair CLR 21.7 19.4 87% 76.68 1022.0
21 02:56 SW 7 16.09 Mostly Cloudy BKN070 21.7 19.4 87% 76.68 1022.3
21 01:56 SW 9 16.09 Partly Cloudy SCT065 22.2 19.4 23.9 21.7 84% 76.71 1022.6
21 00:56 SW 9 16.09 A Few Clouds FEW065 22.2 19.4 84% 76.73 1022.9
20 23:56 SW 13 16.09 A Few Clouds FEW250 22.2 19.4 84% 76.76 1023.2
20 22:56 SW 13 16.09 A Few Clouds FEW250 22.8 19.4 81% 76.81 1023.7
20 21:56 SW 17 G 31 16.09 Partly Cloudy SCT250 22.8 19.4 81% 76.81 1023.9
20 20:56 SW 17 16.09 A Few Clouds FEW250 23.3 18.3 74% 76.76 1023.3
20 19:56 SW 15 16.09 A Few Clouds FEW250 23.9 18.9 29.4 23.9 74% 25 76.76 1023.3
20 18:56 SW 17 16.09 Partly Cloudy SCT250 25.6 19.4 69% 27 76.76 1023.1
20 17:56 SW 22 16.09 Partly Cloudy FEW060 SCT250 26.7 19.4 64% 28 76.78 1023.4
20 16:56 SW 28 16.09 Mostly Cloudy FEW060 FEW200 BKN250 27.2 20 65% 29 76.81 1023.9
20 15:56 SW 24 16.09 Mostly Cloudy FEW060 FEW200 BKN250 28.9 20 59% 31 76.84 1024.4
20 14:56 SW 20 16.09 Mostly Cloudy FEW060 FEW200 BKN250 28.9 21.1 63% 31 76.89 1025.0
20 13:56 SW 19 16.09 Mostly Cloudy FEW060 FEW200 BKN250 28.9 20.6 28.9 23.3 61% 31 76.94 1025.5
20 12:56 SW 19 16.09 Mostly Cloudy FEW055 BKN250 27.8 20.6 65% 30 76.96 1026.0
20 11:56 SW 20 16.09 Mostly Cloudy BKN250 27.2 20.6 67% 29 76.99 1026.4
20 10:56 SW 20 16.09 Mostly Cloudy BKN250 26.1 20.6 72% 28 77.01 1026.5
20 09:56 SW 19 16.09 Mostly Cloudy BKN250 25.6 20 71% 27 76.99 1026.4
20 08:56 SW 17 16.09 Partly Cloudy SCT250 24.4 19.4 74% 25 76.99 1026.5
20 07:56 SW 19 16.09 Mostly Cloudy BKN250 23.3 19.4 23.3 20 79% 77.01 1026.5
20 06:56 SW 13 16.09 Mostly Cloudy SCT200 BKN250 22.2 18.9 82% 76.99 1026.2
20 05:56 SW 9 16.09 Mostly Cloudy FEW170 BKN250 20.6 18.3 87% 76.99 1026.2
20 04:56 SW 11 16.09 Fair CLR 20.6 18.3 87% 76.96 1025.9
20 03:56 SW 11 16.09 Fair CLR 21.1 18.3 84% 76.96 1025.9
20 02:56 SW 11 16.09 Fair CLR 21.1 18.9 87% 76.99 1026.2
20 01:56 SW 13 16.09 Fair CLR 21.7 18.9 23.3 21.7 84% 76.99 1026.2
20 00:56 SW 11 16.09 Fair CLR 21.7 18.9 84% 77.01 1026.6
19 23:56 SW 19 16.09 Mostly Cloudy BKN250 22.2 18.3 79% 77.04 1027.0
19 22:56 SW 17 16.09 Mostly Cloudy BKN250 22.2 18.9 82% 77.04 1027.0
19 21:56 SW 17 16.09 Mostly Cloudy BKN250 22.2 18.9 82% 77.06 1027.2
19 20:56 SW 17 16.09 Mostly Cloudy BKN250 22.2 18.9 82% 77.04 1027.0
19 19:56 SW 19 16.09 Mostly Cloudy BKN250 23.3 18.3 27.8 23.3 74% 77.04 1027.1
19 18:56 SW 19 16.09 Mostly Cloudy BKN250 24.4 17.2 64% 25 77.04 1027.0
19 17:56 S 24 16.09 Mostly Cloudy BKN250 25.6 17.2 60% 27 77.01 1026.8
19 16:56 SW 20 16.09 Partly Cloudy SCT250 26.7 17.2 56% 27 77.01 1026.7
19 15:56 SW 24 16.09 Mostly Cloudy BKN250 26.7 18.3 60% 28 77.04 1027.0
19 14:56 SW 24 G 31 16.09 Partly Cloudy SCT250 27.8 20 63% 29 77.09 1027.5
19 13:56 S 19 16.09 Mostly Cloudy BKN250 26.1 20.6 27.2 22.8 72% 28 77.06 1027.2
19 12:56 S 19 16.09 Mostly Cloudy BKN250 26.1 20 69% 27 77.09 1027.7
19 11:56 S 15 16.09 Mostly Cloudy BKN250 26.7 20.6 69% 28 77.09 1027.6
19 10:56 S 15 16.09 Mostly Cloudy BKN250 26.1 20.6 72% 28 77.09 1027.7
19 09:56 SW 17 16.09 Mostly Cloudy FEW020 BKN250 25 20 74% 26 77.09 1027.8
19 08:56 SW 20 16.09 Mostly Cloudy FEW020 BKN250 24.4 20 77% 25 77.09 1027.8
19 07:56 SW 19 16.09 Mostly Cloudy FEW020 FEW045 BKN250 23.3 19.4 23.3 21.1 79% 77.09 1027.8
19 06:56 SW 11 16.09 Mostly Cloudy FEW020 SCT045 BKN250 21.7 20 90% 77.09 1027.6
19 05:56 SW 13 16.09 Mostly Cloudy FEW045 FEW055 BKN250 21.1 19.4 90% 77.06 1027.3
19 04:56 SW 15 16.09 Overcast OVC048 21.1 20 93% 77.04 1026.9
19 03:56 SW 11 16.09 Fair CLR 21.1 19.4 90% 76.99 1026.2
19 02:56 SW 15 16.09 Fair CLR 21.1 19.4 90% 76.96 1025.8
19 01:56 SW 15 16.09 Fair CLR 21.1 19.4 22.8 21.1 90% 76.94 1025.6
19 00:56 SW 19 16.09 Fair CLR 21.7 19.4 87% 76.96 1025.9
18 23:56 SW 15 16.09 A Few Clouds FEW250 21.7 18.9 84% 76.96 1026.1
18 22:56 S 15 16.09 A Few Clouds FEW250 21.7 17.8 79% 76.96 1025.9
18 21:56 SW 15 16.09 A Few Clouds FEW250 21.7 17.8 79% 76.91 1025.5
18 20:56 S 13 16.09 Partly Cloudy SCT250 22.2 17.8 76% 76.89 1024.9
18 19:56 S 19 16.09 Partly Cloudy SCT250 22.8 17.2 26.7 22.8 71% 76.86 1024.8
18 18:56 SW 20 G 37 16.09 A Few Clouds FEW250 23.9 17.2 66% 25 76.81 1024.1
18 17:56 S 24 16.09 A Few Clouds FEW250 24.4 18.3 69% 25 76.84 1024.2
18 16:56 SW 24 16.09 A Few Clouds FEW250 25.6 18.9 67% 27 76.81 1024.1
18 15:56 SW 19 16.09 A Few Clouds FEW250 26.7 19.4 64% 28 76.84 1024.3
18 14:56 SW 20 16.09 Partly Cloudy SCT250 26.1 19.4 67% 27 76.86 1024.4
18 13:56 SW 20 16.09 Partly Cloudy SCT250 26.1 19.4 26.7 22.8 67% 27 76.86 1024.7
Date Time (edt) 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)