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.
16 01:56 NE 15 2.41 Light Snow Fog/Mist OVC010 -1.1 -2.2 92% -5 76.35 1017.9 0.05
16 00:56 NE 13 2.82 Light Snow Fog/Mist OVC019 -1.1 -2.2 1.7 -1.1 92% -5 76.38 1018.2 0.05 0.05
15 23:56 E 19 4.02 Light Snow Fog/Mist OVC022 -0.6 -2.8 85% -5 76.4 1018.5
15 22:56 E 20 8.05 Light Snow BKN025 OVC036 0.6 -3.3 75% -4 76.45 1019.1
15 21:56 E 20 14.48 Light Snow FEW035 OVC046 1.1 -3.3 73% -3 76.45 1019.5
15 20:56 E 20 16.09 Overcast FEW035 BKN060 OVC075 1.1 -2.8 76% -3 76.5 1020.0
15 19:56 SE 15 16.09 Overcast FEW035 OVC070 1.1 -2.8 76% -3 76.45 1019.4
15 18:56 E 15 16.09 Overcast BKN070 OVC085 1.1 -3.9 3.3 1.1 70% -3 76.4 1018.5
15 17:56 E 13 16.09 Overcast BKN070 OVC090 1.1 -3.9 70% -2 76.38 1018.5
15 16:56 E 15 16.09 Overcast BKN070 BKN090 OVC200 1.7 -3.9 67% -2 76.43 1018.9
15 15:56 E 11 16.09 Overcast SCT070 BKN085 OVC200 1.7 -3.3 70% -1 76.43 1018.9
15 14:56 E 9 16.09 Overcast BKN070 BKN085 OVC190 3.3 -5 55% 1 76.4 1018.7
15 13:56 E 9 16.09 Overcast BKN080 OVC230 3.3 -5 55% 1 76.4 1018.5
15 12:56 NE 15 16.09 Overcast BKN080 OVC250 2.8 -4.4 2.8 -3.9 59% -1 76.4 1018.6
15 11:56 NE 17 16.09 Mostly Cloudy BKN075 BKN250 2.2 -4.4 62% -2 76.43 1019.0
15 10:56 NE 19 16.09 Mostly Cloudy SCT075 BKN250 2.2 -5 59% -2 76.45 1019.3
15 09:56 NE 19 16.09 Mostly Cloudy SCT075 SCT150 BKN250 2.2 -3.9 64% -2 76.45 1019.2
15 08:56 NE 9 16.09 Mostly Cloudy FEW130 BKN250 1.1 -4.4 67% -1 76.45 1019.3
15 07:56 N 9 12.87 Mostly Cloudy FEW130 BKN250 -1.7 -5.6 75% -5 76.4 1018.6
15 06:56 Calm 11.27 Mostly Cloudy BKN130 BKN250 -3.9 -6.1 -3.3 -5 85% 76.33 1017.7
15 05:56 Calm 11.27 Mostly Cloudy FEW130 BKN250 -5 -6.1 92% 76.3 1017.1
15 04:56 Calm 8.05 Fog/Mist CLR -3.9 -5.6 88% 76.28 1017.0
15 03:56 Calm 9.66 Fog/Mist CLR -3.3 -5 88% 76.28 1017.0
15 02:56 Calm 9.66 Fog/Mist CLR -3.9 -5.6 88% 76.28 1017.0
15 01:56 Calm 8.05 Fog/Mist CLR -4.4 -6.1 88% 76.33 1017.6
15 00:56 Calm 8.05 Fog/Mist CLR -4.4 -6.1 1.7 -4.4 88% 76.38 1018.2
14 23:56 Calm 9.66 Fog/Mist FEW250 -3.3 -5 88% 76.4 1018.7
14 22:56 Calm 12.87 A Few Clouds FEW250 -4.4 -5.6 91% 76.4 1018.7
14 21:56 Calm 16.09 A Few Clouds FEW250 -2.2 -4.4 85% 76.43 1018.9
14 20:56 Calm 16.09 A Few Clouds FEW250 -1.7 -4.4 82% 76.43 1019.0
14 19:56 Calm 16.09 A Few Clouds FEW250 0.6 -3.9 72% 76.43 1018.8
14 18:56 Calm 16.09 Partly Cloudy FEW060 SCT250 1.7 -3.9 6.1 0.6 67% 76.4 1018.6
14 17:56 W 6 16.09 Partly Cloudy SCT055 SCT250 2.2 -4.4 62% 76.38 1018.2
14 16:56 SW 9 16.09 Partly Cloudy SCT055 SCT250 3.3 -4.4 57% 1 76.3 1017.3
14 15:56 NW 20 16.09 Partly Cloudy FEW055 SCT250 5.6 -5 47% 2 76.28 1016.9
14 14:56 NW 17 16.09 Partly Cloudy FEW048 SCT250 5.6 -5 47% 3 76.25 1016.5
14 13:56 W 19 16.09 Partly Cloudy FEW041 SCT250 4.4 -4.4 53% 1 76.25 1016.7
14 12:56 W 9 16.09 Mostly Cloudy BKN047 BKN065 BKN250 3.9 -5 3.9 -2.2 53% 2 76.3 1017.2
14 11:56 W 11 16.09 Mostly Cloudy SCT050 BKN070 BKN250 3.3 -5 55% 1 76.33 1017.6
14 10:56 W 17 16.09 Mostly Cloudy BKN049 BKN060 BKN250 2.2 -5.6 57% -2 76.38 1018.2
14 09:56 W 22 16.09 Mostly Cloudy BKN050 BKN250 1.7 -6.7 54% -3 76.4 1018.8
14 08:56 W 15 16.09 Mostly Cloudy SCT080 BKN250 0 -7.8 56% -4 76.43 1018.9
14 07:56 W 15 16.09 Mostly Cloudy BKN080 BKN250 -2.2 -7.2 69% -7 76.45 1019.2
14 06:56 W 17 16.09 Mostly Cloudy BKN070 BKN250 -1.7 -6.7 -1.7 -6.7 69% -6 76.45 1019.4
14 05:56 W 15 16.09 Overcast SCT060 OVC080 -2.2 -8.3 63% -7 76.43 1019.0
14 04:56 W 11 16.09 Overcast OVC055 -3.3 -8.3 69% -7 76.45 1019.2
14 03:56 W 6 16.09 Overcast BKN070 OVC085 -5 -9.4 72% 76.45 1019.2
14 02:56 Calm 16.09 Overcast FEW075 OVC100 -5.6 -9.4 75% 76.45 1019.5
14 01:56 Calm 16.09 Fair CLR -6.1 -10 74% 76.48 1019.7
14 00:56 W 7 16.09 Fair CLR -3.9 -8.9 -0.6 -5.6 69% -7 76.5 1020.0
13 23:56 Calm 16.09 Mostly Cloudy FEW180 BKN250 -4.4 -8.9 71% 76.5 1020.1
13 22:56 W 6 16.09 Mostly Cloudy SCT180 BKN230 -2.8 -8.3 66% 76.48 1019.9
13 21:56 W 7 16.09 Overcast BKN160 OVC220 -2.2 -7.8 66% -5 76.5 1019.9
13 20:56 SW 6 16.09 Mostly Cloudy BKN170 BKN220 -1.7 -8.3 61% 76.5 1020.0
13 19:56 SW 9 16.09 Mostly Cloudy SCT190 SCT220 BKN250 -2.2 -8.3 63% -5 76.5 1020.1
13 18:56 SW 6 16.09 Partly Cloudy SCT250 -0.6 -11.1 2.2 -0.6 45% 76.5 1020.1
13 17:56 W 7 16.09 A Few Clouds FEW250 0.6 -11.1 42% -1 76.48 1019.7
13 16:56 NW 13 16.09 A Few Clouds FEW250 1.7 -11.7 37% -2 76.45 1019.4
13 15:56 W 13 16.09 A Few Clouds FEW250 2.2 -11.7 35% -1 76.45 1019.3
13 14:56 N 11 16.09 A Few Clouds FEW250 1.7 -11.1 38% -1 76.43 1019.2
13 13:56 NW 15 16.09 A Few Clouds FEW250 1.1 -11.1 40% -3 76.45 1019.4
13 12:56 NW 20 16.09 A Few Clouds FEW250 0 -11.7 0 -5.6 41% -5 76.5 1019.9
13 11:56 N 17 G 30 16.09 A Few Clouds FEW250 -0.6 -11.7 43% -5 76.53 1020.6
13 10:56 NW 22 16.09 A Few Clouds FEW250 -2.2 -11.7 49% -8 76.56 1020.9
13 09:56 N 24 16.09 Partly Cloudy SCT250 -2.8 -11.7 51% -9 76.58 1021.1
13 08:56 N 24 G 41 16.09 Partly Cloudy SCT250 -3.9 -12.2 53% -10 76.56 1020.6
13 07:56 N 19 16.09 Partly Cloudy SCT250 -5 -12.8 55% -11 76.53 1020.3
13 06:56 N 19 16.09 A Few Clouds FEW250 -5.6 -12.8 -3.9 -5.6 57% -12 76.48 1019.6
13 05:56 N 20 16.09 A Few Clouds FEW250 -5.6 -12.8 57% -12 76.43 1018.9
13 04:56 NW 19 16.09 Fair CLR -5.6 -12.2 60% -12 76.38 1018.5
13 03:56 NW 22 16.09 Fair CLR -5 -12.2 57% -11 76.35 1018.1
13 02:56 NW 22 16.09 Fair CLR -5 -11.7 60% -11 76.33 1017.7
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)