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.
01 07:56 N 31 G 54 14.48 Light Snow OVC019 -10 -15 67% -19 75.64 1008.7 0.03
01 06:56 N 31 G 50 14.48 Light Snow OVC019 -10 -15 -9.4 -10.6 67% -19 75.67 1009.0
01 05:56 N 30 G 44 16.09 Light Snow BKN021 OVC026 -10 -15 67% -19 75.72 1009.6
01 04:56 N 37 G 52 16.09 Overcast and Breezy BKN019 OVC027 -10.6 -16.1 64% -21 75.74 1010.0
01 03:56 N 30 G 54 16.09 Partly Cloudy SCT023 -10.6 -17.2 59% -20 75.87 1011.5
01 02:56 N 31 G 46 16.09 Fair CLR -10.6 -17.2 59% -20 75.84 1011.4
01 01:56 N 37 G 57 16.09 Fair and Breezy CLR -10 -16.7 58% -20 75.97 1012.9
01 00:56 N 22 G 46 16.09 Fair CLR -9.4 -16.7 -6.1 -9.4 56% -17 76.05 1014.1
31 23:56 N 22 G 48 16.09 Mostly Cloudy BKN160 BKN250 -8.3 -16.1 54% -16 76.12 1015.0
31 22:56 N 24 G 37 16.09 Mostly Cloudy BKN170 BKN250 -8.3 -15.6 56% -16 76.15 1015.5
31 21:56 N 26 G 41 16.09 Mostly Cloudy SCT150 BKN230 -7.8 -15.6 54% -16 76.15 1015.3
31 20:56 N 17 G 33 16.09 Mostly Cloudy SCT180 BKN250 -7.8 -16.1 52% -14 76.25 1016.8
31 19:56 N 15 16.09 Mostly Cloudy FEW170 BKN230 -6.7 -15.6 50% -12 76.3 1017.4
31 17:56 NW 9 16.09 Mostly Cloudy FEW170 BKN240 -7.8 -14.4 59% -12 76.35 1018.2
31 16:56 NW 9 16.09 Mostly Cloudy FEW170 BKN210 -6.7 -15 52% -11 76.4 1018.9
31 15:56 NW 15 16.09 Mostly Cloudy FEW035 FEW180 BKN250 -6.1 -15 50% -11 76.38 1018.4
31 14:56 NW 11 16.09 Mostly Cloudy FEW035 BKN210 -6.1 -14.4 52% -10 76.43 1019.0
31 13:56 Calm 16.09 Mostly Cloudy FEW050 BKN250 -6.1 -15 50% 76.43 1019.1
31 12:56 N 19 16.09 Mostly Cloudy BKN250 -7.2 -15.6 -7.2 -15.6 52% -14 76.45 1019.3
31 11:56 N 22 16.09 Partly Cloudy SCT250 -8.3 -16.1 54% -16 76.5 1020.2
31 10:56 N 20 16.09 Mostly Cloudy FEW050 FEW200 BKN250 -8.9 -16.1 56% -16 76.61 1021.3
31 09:56 N 17 16.09 Partly Cloudy FEW050 FEW150 SCT250 -9.4 -16.1 59% -16 76.63 1021.7
31 08:56 N 15 16.09 Mostly Cloudy FEW040 BKN250 -10.6 -17.2 59% -17 76.63 1021.8
31 07:56 Calm 16.09 Mostly Cloudy FEW040 BKN250 -13.9 -18.3 70% 76.63 1021.9
31 06:56 SW 7 16.09 Mostly Cloudy FEW040 BKN250 -15 -18.3 -13.3 -17.8 76% -20 76.63 1021.8
31 05:56 Calm 16.09 Mostly Cloudy FEW150 BKN250 -16.1 -19.4 76% 76.58 1021.1
31 04:56 SW 6 16.09 Fair CLR -16.1 -20 72% 76.61 1021.4
31 03:56 W 7 16.09 Fair CLR -15.6 -18.9 76% -20 76.61 1021.3
31 02:56 SW 11 16.09 Fair CLR -15.6 -19.4 73% -22 76.58 1021.1
31 01:56 W 9 16.09 Fair CLR -13.3 -19.4 60% -18 76.58 1021.1
31 00:56 W 9 16.09 Fair CLR -13.3 -20 -9.4 -13.3 57% -18 76.61 1021.3
30 23:56 W 15 16.09 Fair CLR -12.2 -20 53% -19 76.63 1021.6
30 22:56 W 11 16.09 Fair CLR -11.7 -19.4 53% -17 76.61 1021.5
30 21:56 NW 13 16.09 Fair CLR -11.1 -20 48% -17 76.61 1021.3
30 20:56 NW 19 16.09 Fair CLR -10 -20 44% -17 76.58 1021.1
30 19:56 NW 19 16.09 Fair CLR -10 -20 44% -17 76.56 1020.6
30 18:56 NW 19 16.09 Fair CLR -9.4 -20.6 -8.3 -10 40% -16 76.53 1020.3
30 16:56 W 15 G 37 16.09 Fair CLR -8.3 -20.6 37% -14 76.45 1019.4
30 15:56 W 26 G 39 16.09 Fair CLR -8.3 -20.6 37% -16 76.43 1019.0
30 14:56 W 26 16.09 A Few Clouds FEW045 -8.3 -20.6 37% -16 76.43 1019.0
30 13:56 W 30 16.09 A Few Clouds FEW045 -9.4 -20 42% -18 76.43 1019.1
30 12:56 NW 28 G 43 16.09 A Few Clouds FEW050 -10 -20.6 -10 -13.3 42% -19 76.45 1019.4
30 11:56 W 30 G 44 16.09 A Few Clouds FEW050 -10.6 -21.1 42% -20 76.5 1020.1
30 10:56 NW 31 G 41 16.09 A Few Clouds FEW050 -11.1 -20.6 46% -21 76.58 1020.9
30 09:56 W 26 G 39 16.09 A Few Clouds FEW045 -11.7 -20.6 48% -20 76.58 1021.1
30 08:56 NW 24 G 39 16.09 A Few Clouds FEW040 -12.2 -21.1 48% -21 76.53 1020.5
30 07:56 NW 20 G 37 16.09 A Few Clouds FEW040 -12.8 -21.1 50% -21 76.53 1020.4
30 06:56 W 17 16.09 A Few Clouds FEW040 -13.3 -21.1 -9.4 -13.3 52% -21 76.5 1020.1
30 05:56 NW 22 G 39 16.09 A Few Clouds FEW250 -12.8 -20.6 52% -21 76.48 1019.6
30 04:56 NW 28 G 41 16.09 Fair CLR -12.2 -20.6 50% -21 76.45 1019.4
30 03:56 NW 31 G 48 16.09 Fair CLR -11.7 -21.1 46% -21 76.45 1019.2
30 02:56 NW 24 16.09 Fair CLR -11.1 -20 48% -19 76.45 1019.3
30 01:56 W 28 G 48 16.09 Fair CLR -10 -19.4 47% -19 76.45 1019.3
30 00:56 NW 24 G 43 16.09 Fair CLR -9.4 -18.9 -6.7 -9.4 46% -17 76.45 1019.3
29 23:56 NW 24 G 41 16.09 A Few Clouds FEW040 -8.3 -17.8 47% -16 76.45 1019.4
29 22:56 NW 26 16.09 A Few Clouds FEW050 -8.3 -16.7 51% -16 76.45 1019.5
29 21:56 NW 24 G 35 16.09 A Few Clouds FEW050 -7.8 -17.2 47% -15 76.45 1019.3
29 20:56 W 17 16.09 A Few Clouds FEW050 -7.8 -17.8 45% -14 76.43 1019.1
29 19:56 W 19 16.09 A Few Clouds FEW050 -7.2 -17.8 43% -14 76.43 1019.0
29 18:56 W 15 16.09 A Few Clouds FEW050 -7.2 -17.8 -5.6 -7.2 43% -13 76.43 1019.0
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
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)