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.
21 06:56 Calm 16.09 Overcast OVC030 5 1.1 5 -0.6 76% 76.45 1019.3
21 05:56 Calm 16.09 Overcast FEW027 OVC037 4.4 1.1 79% 76.45 1019.2
21 03:56 Calm 16.09 Overcast SCT039 OVC055 2.8 0 82% 76.45 1019.2
21 02:56 Calm 16.09 Overcast OVC041 1.1 -1.1 85% 76.5 1020.1
21 01:56 Calm 16.09 Partly Cloudy SCT055 0 -2.8 82% 76.53 1020.1
21 00:56 Calm 16.09 Fair CLR -0.6 -3.3 2.2 -1.1 82% 76.53 1020.5
20 23:56 Calm 16.09 A Few Clouds FEW050 0 -2.8 82% 76.66 1021.9
20 22:56 N 6 16.09 Fair CLR 0 -2.8 82% 76.63 1021.7
20 21:56 Calm 16.09 Fair CLR 0 -3.3 79% 76.61 1021.3
20 20:56 Calm 16.09 Fair CLR 0.6 -3.3 75% 76.63 1021.8
20 19:56 Calm 16.09 A Few Clouds FEW250 1.1 -3.3 73% 76.63 1021.8
20 18:56 Calm 16.09 A Few Clouds FEW250 2.2 -3.3 10 1.7 67% 76.66 1021.9
20 17:56 Calm 16.09 A Few Clouds FEW250 3.3 -3.3 62% 76.66 1021.9
20 16:56 Calm 16.09 A Few Clouds FEW150 FEW250 6.1 -2.8 53% 76.66 1021.9
20 15:56 NW 7 16.09 Partly Cloudy FEW050 SCT250 8.3 -3.3 44% 7 76.66 1022.0
20 14:56 NE 6 16.09 A Few Clouds FEW055 FEW170 FEW250 9.4 -3.3 41% 76.66 1021.9
20 13:56 N 7 16.09 A Few Clouds FEW050 FEW170 FEW250 9.4 -2.8 43% 9 76.63 1021.5
20 12:56 N 7 16.09 Partly Cloudy FEW045 FEW170 SCT250 9.4 -0.6 9.4 1.7 50% 9 76.68 1022.4
20 11:56 N 13 16.09 Mostly Cloudy FEW045 SCT170 BKN250 8.3 -0.6 54% 6 76.73 1022.9
20 10:56 NW 7 16.09 Mostly Cloudy BKN170 BKN250 8.9 0 54% 8 76.81 1024.0
20 09:56 NE 6 16.09 Mostly Cloudy BKN170 BKN250 7.2 0.6 63% 76.86 1024.8
20 08:56 NE 6 16.09 Mostly Cloudy FEW190 BKN250 6.1 0.6 68% 76.86 1024.7
20 06:56 N 7 16.09 Mostly Cloudy BKN250 2.2 -1.1 2.8 1.1 79% 0 76.81 1024.0
20 05:56 N 6 16.09 Mostly Cloudy BKN230 2.2 -0.6 82% 76.81 1024.0
20 04:56 N 9 16.09 Fair CLR 1.7 -1.1 82% -1 76.78 1023.6
20 03:56 Calm 16.09 Fair CLR 2.2 -1.1 79% 76.76 1023.2
20 02:56 NW 7 16.09 Fair CLR 1.7 -1.7 78% -0 76.76 1023.5
20 01:56 Calm 16.09 Fair CLR 2.2 -1.1 79% 76.76 1023.4
20 00:56 Calm 16.09 Fair CLR 1.7 -1.1 3.3 0.6 82% 76.78 1023.7
19 23:56 N 6 16.09 Mostly Cloudy BKN240 1.1 -0.6 89% 76.78 1023.7
19 22:56 N 9 16.09 A Few Clouds FEW250 1.7 -1.1 82% -1 76.81 1023.9
19 21:56 NW 6 16.09 A Few Clouds FEW050 FEW250 1.1 -1.1 85% 76.78 1023.6
19 20:56 Calm 16.09 Fair CLR 1.7 -1.1 82% 76.76 1023.4
19 19:56 Calm 16.09 Fair CLR 2.2 -1.1 79% 76.78 1023.7
19 18:56 Calm 16.09 A Few Clouds FEW050 3.3 -1.7 10 2.8 70% 76.76 1023.2
19 17:56 Calm 16.09 A Few Clouds FEW050 3.9 -1.7 67% 76.71 1022.6
19 16:56 N 6 16.09 Partly Cloudy SCT050 6.1 -0.6 63% 76.66 1022.1
19 15:56 N 7 16.09 Partly Cloudy FEW035 SCT055 7.8 0 58% 7 76.63 1021.7
19 14:56 N 11 16.09 A Few Clouds FEW030 FEW065 9.4 1.1 56% 8 76.61 1021.2
19 13:56 N 11 16.09 Partly Cloudy SCT026 SCT065 SCT250 8.3 1.1 61% 7 76.56 1020.8
19 12:56 NE 11 16.09 Mostly Cloudy BKN022 BKN043 BKN065 BKN150 BKN250 8.9 2.8 8.9 4.4 66% 7 76.56 1020.6 0.03
19 11:56 NE 11 16.09 Overcast BKN017 BKN048 OVC065 8.3 3.3 71% 7 76.61 1021.2
19 10:56 NE 17 16.09 Mostly Cloudy FEW018 BKN043 BKN070 BKN130 BKN250 7.2 3.3 77% 5 76.63 1021.7
19 09:56 NE 9 16.09 Light Rain FEW012 FEW029 OVC038 5.6 2.8 82% 4 76.68 1022.2 0.03
19 08:56 NE 6 16.09 Light Rain OVC042 5.6 3.3 85% 76.66 1021.9 0.03
19 07:56 Calm 16.09 Overcast OVC046 5 2.8 86% 76.66 1022.0
19 06:56 Calm 16.09 Light Rain SCT031 BKN041 OVC055 4.4 2.2 5.6 3.3 86% 76.63 1021.7 0.03 0.1
19 05:56 Calm 16.09 Light Rain SCT022 OVC029 5 1.7 79% 76.63 1021.7 0.05
19 04:56 Calm 16.09 Light Rain OVC039 5 0.6 73% 76.61 1021.4 0.03
19 03:56 Calm 16.09 Overcast OVC065 5 -0.6 67% 76.56 1020.8
19 02:56 Calm 16.09 Overcast OVC060 5 -1.1 65% 76.61 1021.2
19 01:56 Calm 16.09 Overcast OVC060 4.4 -0.6 70% 76.61 1021.4
19 00:56 Calm 16.09 Overcast OVC060 3.3 -1.7 6.7 2.2 70% 76.61 1021.2
18 23:56 Calm 16.09 Mostly Cloudy FEW060 BKN100 BKN250 2.2 -2.8 70% 76.63 1021.6
18 22:56 Calm 16.09 Overcast SCT120 OVC250 2.2 -3.3 67% 76.61 1021.5
18 21:56 Calm 16.09 Mostly Cloudy FEW090 FEW200 BKN250 2.8 -3.9 62% 76.63 1021.6
18 20:56 Calm 16.09 Mostly Cloudy FEW090 BKN250 3.3 -3.9 60% 76.61 1021.3
18 19:56 NW 7 16.09 Mostly Cloudy FEW050 BKN120 BKN250 5.6 -3.9 51% 4 76.56 1020.8
18 18:56 W 7 16.09 Mostly Cloudy BKN110 BKN250 6.7 -4.4 10 6.7 45% 6 76.58 1021.0
18 17:56 W 13 16.09 Mostly Cloudy BKN110 BKN250 7.2 -4.4 44% 5 76.56 1020.8
18 16:56 W 11 16.09 Mostly Cloudy FEW050 SCT120 BKN250 7.2 -4.4 44% 5 76.5 1020.0
18 15:56 W 15 16.09 Mostly Cloudy FEW050 SCT150 BKN250 7.8 -4.4 42% 6 76.48 1019.7
18 14:56 NW 20 G 33 16.09 Mostly Cloudy FEW055 FEW080 FEW150 BKN250 8.9 -5 37% 6 76.43 1019.1
18 13:56 NW 19 G 35 16.09 Partly Cloudy FEW055 FEW170 SCT250 9.4 -4.4 38% 7 76.43 1019.0
18 12:56 W 24 G 31 16.09 Partly Cloudy FEW055 FEW190 SCT250 8.9 -4.4 9.4 2.2 39% 6 76.45 1019.2
18 11:56 W 15 16.09 Partly Cloudy FEW055 FEW080 FEW190 SCT250 8.3 -5 39% 6 76.48 1019.7
18 10:56 NW 20 G 39 16.09 A Few Clouds FEW050 FEW080 FEW190 FEW250 7.8 -5 40% 5 76.53 1020.3
18 09:56 NW 19 16.09 A Few Clouds FEW045 FEW070 FEW250 7.2 -5 42% 4 76.56 1020.7
18 08:56 NW 20 G 39 16.09 A Few Clouds FEW045 FEW070 6.7 -5 43% 3 76.5 1020.1
18 07:56 NW 19 16.09 A Few Clouds FEW045 FEW065 5 -5 49% 2 76.5 1019.8
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)