Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Imperial (Metric)
Date Time (edt) 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.
29 19:56 Calm 10.00 Overcast FEW160 OVC220 70 57 79 70 64% 30.18 1021.8
29 18:56 S 5 10.00 Overcast FEW170 BKN210 OVC240 72 57.9 61% 30.18 1022.1
29 17:56 NE 3 10.00 Overcast FEW180 OVC230 73.9 57 56% 30.18 1021.8
29 16:56 N 6 10.00 Mostly Cloudy BKN250 75.9 57 52% 78 30.18 1022.0
29 15:56 N 6 10.00 Mostly Cloudy BKN250 77 57 50% 79 30.19 1022.2
29 14:56 E 6 10.00 Mostly Cloudy BKN250 78.1 48.9 36% 79 30.19 1022.3
29 13:56 E 7 10.00 Mostly Cloudy FEW200 BKN250 78.1 48.9 79 68 36% 79 30.2 1022.7
29 12:56 SE 6 10.00 Mostly Cloudy FEW200 BKN250 77 52 42% 78 30.22 1023.3
29 11:56 NE 7 10.00 Mostly Cloudy SCT200 BKN250 77 53.1 43% 78 30.23 1023.6
29 10:56 NE 7 10.00 Mostly Cloudy SCT200 BKN250 75.9 53.1 45% 78 30.23 1023.6
29 09:56 NE 10 10.00 Mostly Cloudy SCT200 BKN250 73 55 53% 30.23 1023.8
29 08:56 NE 13 10.00 Mostly Cloudy FEW200 BKN250 71.1 59 66% 30.22 1023.3
29 07:56 NE 7 10.00 Partly Cloudy FEW200 SCT250 68 61 68 64.9 78% 30.22 1023.2
29 06:56 NE 6 10.00 Partly Cloudy SCT250 64.9 61 87% 30.2 1022.5
29 05:56 N 8 10.00 A Few Clouds FEW250 66.9 61 81% 30.17 1021.7
29 04:56 N 9 10.00 Fair CLR 66.9 62.1 84% 30.16 1021.1
29 03:56 N 8 10.00 Fair CLR 66.9 64 91% 30.15 1020.9
29 02:56 NW 5 10.00 Fair CLR 64.9 62.1 90% 30.14 1020.7
29 01:56 Calm 10.00 Fair CLR 68 64.9 72 66.9 90% 30.15 1020.8
29 00:56 N 5 10.00 Fair CLR 66.9 64 91% 30.13 1020.2
28 23:56 SW 3 10.00 A Few Clouds FEW250 69.1 64.9 87% 30.12 1019.9
28 22:56 SW 7 10.00 A Few Clouds FEW250 70 66 87% 30.12 1019.8
28 21:56 SW 7 10.00 A Few Clouds FEW250 71.1 66.9 87% 30.1 1019.1
28 20:56 SW 7 10.00 A Few Clouds FEW250 71.1 66.9 87% 30.09 1018.8
28 19:56 S 6 10.00 A Few Clouds FEW250 72 66.9 84 72 84% 30.08 1018.4
28 18:56 SW 7 10.00 A Few Clouds FEW250 73 64.9 76% 30.06 1017.8
28 17:56 SW 10 10.00 A Few Clouds FEW250 75.9 64 67% 78 30.05 1017.6
28 16:56 S 8 10.00 A Few Clouds FEW250 78.1 64 62% 80 30.04 1017.1
28 15:56 SW 9 10.00 A Few Clouds FEW041 FEW250 80.1 64 58% 82 30.03 1016.9
28 14:56 Vrbl 5 10.00 Partly Cloudy FEW035 SCT250 82 64 55% 84 30.04 1016.9
28 13:56 Vrbl 5 10.00 Mostly Cloudy FEW033 BKN250 80.1 63 81 66.9 56% 81 30.04 1017.2
28 12:56 S 7 10.00 Mostly Cloudy SCT032 BKN250 78.1 63 60% 80 30.06 1018.0
28 11:56 W 7 10.00 Mostly Cloudy SCT027 BKN250 78.1 63 60% 80 30.06 1017.9
28 10:56 Calm 10.00 Mostly Cloudy FEW020 BKN250 73.9 63 69% 30.06 1017.8
28 09:56 W 3 10.00 Partly Cloudy SCT150 SCT250 72 63 73% 30.06 1018.0
28 08:56 Calm 10.00 Mostly Cloudy SCT085 SCT150 BKN250 68 63 84% 30.06 1017.7
28 07:56 Calm 10.00 Mostly Cloudy BKN085 BKN150 66.9 62.1 69.1 66 84% 30.04 1017.2 0.01
28 06:56 Calm 10.00 Overcast BKN085 OVC150 66 63 90% 30.03 1016.9
28 05:56 Calm 10.00 Light Rain SCT070 BKN110 OVC150 66 63 90% 30.01 1016.1
28 04:56 SE 6 10.00 Light Rain FEW070 FEW080 SCT110 68 64 87% 30 1016.0 0.01
28 03:56 Calm 10.00 Light Rain FEW015 FEW037 OVC075 69.1 66 90% 30 1015.9 0.01
28 02:56 Calm 10.00 Light Rain SCT070 BKN090 69.1 66 90% 29.99 1015.5
28 01:56 N 5 10.00 Mostly Cloudy BKN095 69.1 66 72 69.1 90% 29.98 1015.2 0.03
28 00:56 E 3 10.00 Light Rain OVC075 70 66 87% 29.99 1015.4
27 23:56 SE 3 10.00 Light Rain BKN080 OVC100 70 66 87% 30 1015.6 0.02
27 22:56 S 5 10.00 Light Rain BKN100 OVC130 71.1 64.9 81% 29.99 1015.5 0.01 0.01
27 21:56 Calm 10.00 Overcast BKN100 OVC140 71.1 64 79% 29.99 1015.5
27 20:56 Calm 10.00 Overcast BKN120 OVC150 72 63 73% 29.99 1015.4
27 19:56 SE 3 10.00 Overcast SCT130 BKN170 OVC250 72 62.1 79 72 71% 29.98 1015.1
27 18:56 S 5 10.00 Overcast BKN140 BKN170 OVC250 72 62.1 71% 29.97 1014.9
27 17:56 S 6 10.00 Overcast FEW110 BKN180 OVC250 73.9 60.1 62% 29.97 1014.7
27 16:56 S 6 10.00 Mostly Cloudy FEW045 SCT190 BKN250 75.9 57.9 54% 78 29.96 1014.5
27 15:56 S 9 10.00 Mostly Cloudy FEW045 SCT160 BKN250 77 61 58% 79 29.96 1014.5
27 14:56 S 7 10.00 Mostly Cloudy FEW045 FEW170 BKN230 78.1 60.1 54% 79 29.96 1014.4
27 13:56 S 8 10.00 Mostly Cloudy FEW050 FEW200 BKN250 78.1 61 82 68 56% 80 29.98 1015.1
27 12:56 Vrbl 3 10.00 Mostly Cloudy FEW050 FEW200 BKN250 80.1 57 45% 80 29.98 1015.0
27 11:56 Calm 10.00 Mostly Cloudy FEW050 BKN250 80.1 59 49% 81 29.99 1015.5
27 10:56 Calm 10.00 Mostly Cloudy BKN250 78.1 59 52% 79 30 1015.8
27 09:56 NE 6 10.00 Mostly Cloudy BKN250 75 60.1 60% 77 30 1015.9
27 08:56 N 5 10.00 Mostly Cloudy FEW150 BKN250 71.1 62.1 73% 30 1015.7
27 07:56 Calm 10.00 Mostly Cloudy FEW130 BKN250 68 62.1 68 63 81% 29.97 1015.0
27 06:56 Calm 10.00 Mostly Cloudy FEW130 BKN250 63 59 87% 29.97 1014.7
27 05:56 Calm 10.00 Mostly Cloudy FEW150 BKN250 64.9 60.1 84% 29.95 1014.1
27 04:56 N 3 10.00 Fair CLR 64 61 90% 29.93 1013.6
27 03:56 Calm 10.00 Fair CLR 64.9 63 93% 29.92 1013.0
27 02:56 Calm 10.00 Fair CLR 64.9 62.1 90% 29.91 1012.8
27 01:56 Calm 10.00 Fair CLR 66 63 72 64.9 90% 29.91 1012.7
27 00:56 Calm 10.00 Fair CLR 66.9 64.9 93% 29.9 1012.3
26 23:56 W 3 10.00 Partly Cloudy SCT250 69.1 66.9 93% 29.9 1012.2
26 22:56 W 6 10.00 Partly Cloudy SCT250 69.1 66.9 93% 29.89 1012.1
26 21:56 SW 5 10.00 Mostly Cloudy BKN250 70 66 87% 29.87 1011.5
26 20:56 SW 7 10.00 Mostly Cloudy BKN250 71.1 66 84% 29.87 1011.3
Date Time (edt) 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)