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.
29 17:56 W 17 16.09 A Few Clouds FEW045 -6.7 -17.2 43% -13 76.4 1018.7
29 16:56 W 19 16.09 A Few Clouds FEW045 -6.1 -17.2 41% -12 76.35 1018.0
29 15:56 NW 26 G 44 16.09 A Few Clouds FEW043 -5.6 -17.2 40% -13 76.33 1017.6
29 14:56 NW 28 16.09 A Few Clouds FEW043 -5.6 -17.2 40% -13 76.3 1017.4
29 13:56 NW 24 16.09 A Few Clouds FEW043 -6.1 -16.7 43% -13 76.28 1017.0
29 12:56 W 19 G 30 16.09 A Few Clouds FEW040 -6.7 -16.7 -6.7 -12.2 45% -13 76.3 1017.3
29 11:56 NW 19 16.09 Fair CLR -7.2 -17.2 45% -14 76.33 1017.7
29 10:56 NW 22 G 37 16.09 Fair CLR -8.3 -17.2 49% -16 76.38 1018.4
29 09:56 W 22 16.09 A Few Clouds FEW033 FEW080 -8.9 -17.2 51% -16 76.38 1018.4
29 08:56 NW 19 16.09 A Few Clouds FEW030 FEW080 -10 -17.2 56% -17 76.38 1018.3
29 07:56 W 11 16.09 A Few Clouds FEW030 FEW080 FEW250 -11.7 -16.7 67% -17 76.35 1018.1
29 06:56 W 9 16.09 A Few Clouds FEW030 FEW080 FEW250 -12.2 -16.7 -9.4 -12.2 69% -17 76.33 1017.6
29 05:56 W 11 16.09 A Few Clouds FEW250 -11.1 -16.7 64% -16 76.28 1017.1
29 04:56 NW 20 16.09 Fair CLR -10 -16.1 61% -17 76.23 1016.5
29 03:56 N 19 16.09 Fair CLR -10 -15 67% -17 76.2 1015.9
29 02:56 NW 11 16.09 Fair CLR -10.6 -16.7 61% -16 76.2 1015.9
29 01:56 NW 13 16.09 Fair CLR -11.1 -17.8 58% -17 76.17 1015.5
29 00:56 W 11 16.09 Fair CLR -11.1 -17.8 -6.7 -11.1 58% -16 76.15 1015.3
28 23:56 W 11 16.09 A Few Clouds FEW065 FEW250 -10 -17.2 56% -15 76.15 1015.5
28 22:56 W 15 16.09 Partly Cloudy FEW065 SCT250 -8.9 -17.2 51% -15 76.17 1015.7
28 21:56 NW 15 16.09 Mostly Cloudy FEW070 SCT120 BKN250 -8.3 -17.2 49% -14 76.2 1015.8
28 20:56 W 15 16.09 Mostly Cloudy FEW065 SCT120 BKN250 -7.8 -17.2 47% -13 76.2 1016.0
28 19:56 W 7 16.09 Partly Cloudy FEW050 FEW150 SCT250 -7.8 -16.1 52% -11 76.23 1016.4
28 18:56 W 11 16.09 Mostly Cloudy BKN140 BKN250 -7.2 -14.4 -5 -7.2 57% -12 76.25 1016.6
28 17:56 SW 13 16.09 Mostly Cloudy BKN150 BKN250 -6.1 -15.6 47% -11 76.23 1016.4
28 16:56 SW 9 16.09 Overcast BKN130 OVC250 -6.1 -15.6 47% -10 76.23 1016.2
28 15:56 SW 13 16.09 Overcast FEW043 BKN150 OVC250 -5.6 -16.7 42% -10 76.23 1016.5
28 14:56 Vrbl 9 16.09 Overcast BKN160 OVC250 -5.6 -16.1 44% -9 76.23 1016.5
28 13:56 W 13 16.09 Mostly Cloudy SCT180 BKN250 -5 -15.6 44% -10 76.3 1017.4
28 12:56 W 9 16.09 Partly Cloudy SCT250 -5.6 -16.1 -5 -12.2 44% -9 76.38 1018.2
28 11:56 W 17 16.09 A Few Clouds FEW250 -6.1 -15.6 47% -12 76.43 1019.0
28 10:56 W 19 16.09 A Few Clouds FEW250 -6.7 -15.6 50% -13 76.5 1020.1
28 09:56 NW 24 16.09 Fair CLR -7.8 -16.1 52% -15 76.56 1020.6
28 08:56 W 19 16.09 Fair CLR -8.9 -16.7 54% -16 76.56 1020.9
28 07:56 W 17 16.09 Fair CLR -10.6 -17.2 59% -17 76.56 1020.7
28 06:56 W 9 16.09 A Few Clouds FEW250 -12.2 -17.8 -8.9 -12.2 63% -17 76.53 1020.3
28 05:56 W 13 16.09 Fair CLR -10.6 -17.2 59% -16 76.48 1019.7
28 04:56 W 11 16.09 Fair CLR -10 -17.2 56% -15 76.45 1019.2
28 03:56 W 17 16.09 Fair CLR -10 -17.2 56% -17 76.4 1018.6
28 02:56 NW 24 16.09 Fair CLR -9.4 -17.2 53% -17 76.38 1018.4
28 01:56 W 22 G 35 16.09 Fair CLR -9.4 -17.8 51% -17 76.33 1017.8
28 00:56 W 24 G 41 16.09 Fair CLR -9.4 -17.8 -7.2 -9.4 51% -17 76.28 1016.9
27 23:56 NW 22 16.09 A Few Clouds FEW040 FEW250 -8.9 -17.2 51% -16 76.25 1016.8
27 22:56 W 22 G 41 16.09 A Few Clouds FEW050 FEW250 -8.3 -17.2 49% -16 76.25 1016.6
27 21:56 W 20 G 41 16.09 A Few Clouds FEW050 FEW250 -8.3 -17.2 49% -15 76.2 1016.1
27 20:56 W 13 16.09 A Few Clouds FEW050 FEW250 -8.3 -16.7 51% -14 76.17 1015.7
27 19:56 W 11 16.09 A Few Clouds FEW250 -8.3 -16.1 54% -13 76.15 1015.3
27 18:56 W 19 16.09 Mostly Cloudy FEW045 BKN075 BKN250 -7.2 -15.6 -6.1 -7.2 52% -14 76.15 1015.3
27 17:56 W 20 G 43 16.09 Overcast SCT046 BKN080 OVC250 -7.2 -15 54% -14 76.12 1014.9
27 16:56 W 28 G 46 16.09 Overcast BKN049 OVC250 -6.7 -16.1 48% -14 76.07 1014.2
27 15:56 W 28 G 44 16.09 Overcast BKN065 BKN100 OVC250 -6.1 -16.1 45% -14 76.05 1014.0
27 14:56 SW 26 16.09 Overcast FEW040 BKN100 OVC250 -6.7 -16.1 48% -14 76.02 1013.8
27 13:56 SW 19 16.09 Mostly Cloudy FEW040 FEW110 BKN250 -6.1 -15.6 47% -12 76.1 1014.6
27 12:56 W 20 16.09 Partly Cloudy FEW040 SCT250 -6.1 -16.1 -6.1 -10 45% -12 76.17 1015.7
27 11:56 SW 26 16.09 A Few Clouds FEW040 FEW250 -6.7 -16.1 48% -14 76.28 1016.9
27 10:56 W 20 16.09 A Few Clouds FEW040 -7.2 -17.2 45% -14 76.35 1018.0
27 09:56 W 28 16.09 A Few Clouds FEW040 FEW100 -7.8 -17.2 47% -16 76.43 1019.1
27 08:56 W 22 16.09 A Few Clouds FEW035 FEW100 -8.9 -17.8 49% -16 76.45 1019.5
27 07:56 W 19 16.09 A Few Clouds FEW034 FEW100 FEW250 -9.4 -17.8 51% -16 76.45 1019.4
27 06:56 W 19 G 30 16.09 A Few Clouds FEW030 -9.4 -17.8 -8.3 -10 51% -16 76.4 1018.9
27 05:56 W 24 G 39 16.09 A Few Clouds FEW030 -9.4 -17.2 53% -17 76.38 1018.4
27 04:56 NW 22 16.09 NULL NULL -9.4 -17.2 53% -17 76.3 1017.4
27 03:56 NW 26 16.09 NULL NULL -8.9 -16.7 54% -17 76.25 1016.7
27 02:56 NW 22 G 39 16.09 NULL NULL -8.9 -16.7 54% -16 76.2 1015.8
27 01:56 NW 33 G 48 16.09 Breezy NULL -8.3 -17.8 47% -17 76.12 1014.9
27 00:56 NW 31 G 54 16.09 NULL NULL -8.3 -17.2 -5.6 -8.3 49% -17 76.02 1013.8
26 23:56 NW 30 G 48 16.09 A Few Clouds FEW040 -8.3 -17.8 47% -17 76 1013.2
26 22:56 W 39 G 59 16.09 A Few Clouds and Breezy FEW042 -7.8 -16.7 49% -17 75.92 1012.3
26 21:56 NW 37 G 56 16.09 Partly Cloudy and Breezy SCT047 -7.2 -17.2 45% -16 75.9 1011.9
26 20:56 NW 28 G 41 16.09 A Few Clouds FEW045 -6.7 -15.6 50% -14 75.82 1010.9
26 19:56 NW 33 G 50 16.09 Partly Cloudy and Breezy FEW035 SCT060 -6.1 -15 50% -14 75.74 1009.8
26 18:56 NW 35 G 54 16.09 Overcast and Breezy SCT025 BKN032 OVC045 -5.6 -12.8 -3.3 -6.1 57% -14 75.72 1009.5
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)