Weather observations for the past three days for
Islip, Long Island Mac Arthur Airport
Metric (Imperial)
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.
09 11:56 S 11 16.09 A Few Clouds FEW250 -1.7 -15 36% -5 76.73 1023.0
09 10:56 Calm 16.09 A Few Clouds FEW250 -2.2 -15 37% 76.78 1023.9
09 09:56 Calm 16.09 A Few Clouds FEW250 -2.8 -13.9 43% 76.84 1024.5
09 08:56 Calm 16.09 A Few Clouds FEW250 -3.9 -13.3 48% 76.89 1025.1
09 07:56 N 9 16.09 A Few Clouds FEW250 -5 -14.4 48% -9 76.89 1025.2
09 06:56 N 11 16.09 A Few Clouds FEW250 -6.1 -15.6 -4.4 -6.1 47% -10 76.89 1025.2
09 05:56 N 11 16.09 A Few Clouds FEW250 -6.1 -13.9 54% -10 76.86 1024.8
09 04:56 N 17 16.09 Fair CLR -5.6 -13.9 52% -11 76.78 1023.9
09 03:56 N 11 16.09 Fair CLR -5.6 -13.9 52% -10 76.78 1024.0
09 02:56 N 19 16.09 Fair CLR -5 -16.7 40% -11 76.81 1024.2
09 01:56 N 15 16.09 Fair CLR -5 -17.2 38% -10 76.84 1024.3
09 00:56 N 19 16.09 Fair CLR -4.4 -17.8 -2.8 -4.4 35% -10 76.84 1024.4
08 23:56 N 17 16.09 Partly Cloudy SCT230 -4.4 -16.7 38% -10 76.86 1024.9
08 22:56 N 17 16.09 Mostly Cloudy BKN240 -3.9 -16.1 39% -9 76.89 1025.2
08 21:56 N 9 16.09 Mostly Cloudy BKN210 -3.9 -15.6 40% -7 76.94 1025.7
08 20:56 N 13 16.09 Overcast OVC210 -3.3 -16.7 35% -8 76.96 1026.0
08 19:56 N 15 16.09 Mostly Cloudy BKN200 -2.8 -16.1 35% -7 76.94 1025.8
08 18:56 N 11 16.09 Overcast BKN180 OVC250 -2.8 -16.1 -0.6 -2.8 35% -7 76.91 1025.5
08 17:56 N 11 16.09 Mostly Cloudy BKN190 BKN250 -2.2 -17.8 29% -6 76.89 1024.9
08 16:56 N 13 16.09 Mostly Cloudy BKN190 BKN250 -2.2 -18.3 28% -6 76.86 1024.7
08 15:56 N 17 16.09 Mostly Cloudy FEW180 BKN250 -1.7 -18.9 26% -6 76.84 1024.4
08 14:56 N 15 G 31 16.09 Mostly Cloudy SCT180 BKN250 -1.1 -17.8 27% -5 76.78 1023.5
08 13:56 N 20 16.09 Mostly Cloudy BKN180 BKN250 -1.1 -18.9 25% -6 76.81 1023.9
08 12:56 N 22 G 41 16.09 Mostly Cloudy BKN180 BKN250 -1.1 -17.8 -0.6 -1.7 27% -7 76.78 1023.8
08 11:56 N 28 G 48 16.09 Mostly Cloudy FEW045 BKN180 BKN250 -1.1 -17.8 27% -7 76.78 1023.5
08 10:56 N 28 G 43 16.09 Mostly Cloudy FEW045 BKN200 -1.1 -18.3 26% -7 76.81 1024.2
08 09:56 N 26 G 52 16.09 Mostly Cloudy FEW040 BKN220 -1.7 -16.1 33% -8 76.81 1024.2
08 08:56 N 24 G 46 16.09 Mostly Cloudy FEW050 BKN250 -0.6 -10.6 47% -6 76.81 1024.1
08 07:56 N 26 G 43 16.09 Mostly Cloudy FEW050 BKN250 -0.6 -10.6 47% -6 76.76 1023.2
08 06:56 N 17 G 35 16.09 Mostly Cloudy FEW050 BKN250 -0.6 -11.1 3.9 -0.6 45% -5 76.68 1022.2
08 05:56 N 19 G 33 16.09 A Few Clouds FEW050 FEW250 0 -10.6 45% -5 76.61 1021.3
08 04:56 N 24 16.09 A Few Clouds FEW050 0.6 -9.4 48% -5 76.48 1019.5
08 03:56 N 20 G 39 16.09 Mostly Cloudy FEW036 BKN047 BKN055 1.1 -6.1 59% -3 76.4 1018.7
08 02:56 NW 15 16.09 Mostly Cloudy BKN046 BKN060 3.3 -2.8 65% 0 76.33 1017.6
08 01:56 W 13 16.09 Fair CLR 1.7 -3.9 67% -2 76.28 1016.9
08 00:56 W 11 16.09 Fair CLR 2.8 -3.9 5.6 1.7 62% 0 76.23 1016.4
07 23:56 W 13 16.09 A Few Clouds FEW045 2.2 -4.4 62% -1 76.23 1016.2
07 22:56 W 15 16.09 A Few Clouds FEW045 4.4 -4.4 53% 1 76.25 1016.5
07 21:56 W 24 G 43 16.09 Mostly Cloudy BKN042 5 -3.9 53% 1 76.25 1016.4
07 20:56 W 19 16.09 Overcast OVC043 5 -3.9 53% 2 76.25 1016.6
07 19:56 W 17 16.09 Overcast BKN043 OVC120 5 -4.4 51% 2 76.28 1016.9
07 18:56 W 17 16.09 Overcast BKN042 OVC150 5 -3.3 6.7 4.4 55% 2 76.28 1016.9
07 17:56 SW 13 16.09 Overcast BKN042 OVC130 5 -2.8 57% 2 76.25 1016.7
07 16:56 SW 13 16.09 Mostly Cloudy BKN042 BKN140 BKN250 5 -3.3 55% 2 76.28 1017.0
07 15:56 SW 15 16.09 Mostly Cloudy FEW036 BKN150 BKN250 5 -3.3 55% 2 76.28 1016.9
07 14:56 SW 17 16.09 Overcast FEW026 SCT032 BKN150 OVC250 5.6 -3.3 53% 3 76.28 1017.0
07 13:56 S 17 16.09 Mostly Cloudy SCT038 BKN150 BKN250 5.6 -2.8 55% 3 76.33 1017.5
07 12:56 S 15 16.09 Mostly Cloudy BKN038 BKN250 6.7 -2.8 7.2 -3.3 51% 4 76.33 1017.8
07 11:56 S 9 16.09 Mostly Cloudy BKN039 BKN250 7.2 -3.9 46% 6 76.35 1017.8
07 10:56 E 6 16.09 Partly Cloudy FEW040 SCT250 6.1 -3.9 49% 76.43 1019.0
07 09:56 Calm 16.09 Partly Cloudy FEW035 SCT250 5.6 -1.1 62% 76.5 1019.9
07 08:56 Calm 16.09 Mostly Cloudy BKN250 3.9 -0.6 73% 76.48 1019.5
07 07:56 Calm 11.27 Partly Cloudy SCT230 -0.6 -2.2 89% 76.43 1018.9
07 06:56 Calm 12.87 Mostly Cloudy BKN230 -2.8 -5 0.6 -3.3 85% 76.38 1018.3
07 05:56 Calm 14.48 Partly Cloudy SCT220 -2.8 -5.6 81% 76.33 1017.5
07 04:56 Calm 14.48 Fair CLR -2.2 -5 81% 76.3 1017.4
07 03:56 Calm 16.09 Fair CLR -1.7 -4.4 82% 76.28 1016.8
07 02:56 Calm 16.09 Fair CLR -0.6 -3.3 82% 76.3 1017.2
07 01:56 W 6 16.09 Fair CLR -1.1 -4.4 79% 76.23 1016.4
07 00:56 NW 6 16.09 Fair CLR 0 -3.9 2.8 -1.1 75% 76.15 1015.3
06 23:56 W 6 16.09 Fair CLR 0 -3.9 75% 76.12 1014.9
06 22:56 NW 7 16.09 Fair CLR 0 -3.9 75% -2 76.07 1014.1
06 21:56 W 7 16.09 Fair CLR 1.1 -3.3 73% -1 76.05 1014.0
06 20:56 W 7 16.09 A Few Clouds FEW180 1.7 -2.8 72% -0 76.02 1013.5
06 19:56 W 7 16.09 A Few Clouds FEW190 2.2 -2.2 73% 0 76 1013.3
06 18:56 W 7 16.09 Mostly Cloudy BKN190 BKN250 2.8 -1.7 7.8 2.8 73% 1 75.97 1012.7
06 17:56 W 9 16.09 Mostly Cloudy BKN190 BKN250 3.3 -1.1 73% 1 75.92 1012.1
06 16:56 SW 13 16.09 Partly Cloudy FEW170 SCT250 4.4 -1.1 68% 2 75.87 1011.4
06 15:56 SW 13 16.09 Mostly Cloudy FEW036 SCT200 BKN250 6.1 -0.6 63% 4 75.82 1010.7
06 14:56 SW 11 16.09 Mostly Cloudy SCT033 BKN041 BKN200 7.2 -0.6 58% 5 75.82 1010.9
06 13:56 W 11 16.09 Mostly Cloudy FEW024 BKN042 7.2 0 61% 5 75.82 1010.7
06 12:56 W 9 16.09 Overcast SCT018 BKN035 OVC050 6.7 1.1 7.2 2.8 68% 5 75.87 1011.3
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)