Monthly outlook for East Islip, NY: average high 54.2°, average low 44.6°. That is 2° above the climate normal for November. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 24 November (61.4°), the coolest 17 November (34.9°).
54.2°/44.6°
Average high / low
+2°
Above normal
3 / 5
Wet days / normal
1.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 November – 21 November
52.7°
51.3°
+0.8°
22 November – 1 December
56.6°
49.1°
+4.2°
2 December – 11 December
at normal
45.3°
—
November records over 66 years
75.2°1 November 2024All-time high
19.8°23 November 2018All-time low
Climate normals and records are computed from the nearest reference point — Islip (1 mi).
Fri, 1347° / 38°0.4
47 °
East Islip, Friday, 13 November
Rain. High 47°, low 38°.
Pressure29.56 inHg
Wind14.4 mph N
Humidity92%
Visibility2.5 mi
Dew point38°
Sat, 1446° / 36°0
46 °
East Islip, Saturday, 14 November
Overcast. High 46°, low 36°.
Pressure29.77 inHg
Wind11.5 mph NW
Humidity60%
Visibility6.2 mi
Dew point26°
Sun, 1547° / 39°0
47 °
East Islip, Sunday, 15 November
Overcast. High 47°, low 39°.
Pressure30.09 inHg
Wind10.8 mph NW
Humidity57%
Visibility6.2 mi
Dew point30°
Mon, 1647° / 36°0
47 °
East Islip, Monday, 16 November
Clear. High 47°, low 36°.
Pressure30.39 inHg
Wind7.7 mph NW
Humidity66%
Visibility—
Dew point32°
Tue, 1751° / 35°0
51 °
East Islip, Tuesday, 17 November
Partly cloudy. High 51°, low 35°.
Pressure30.45 inHg
Wind5.1 mph NW
Humidity76%
Visibility—
Dew point37°
Wed, 1855° / 42°0
55 °
East Islip, Wednesday, 18 November
Clear. High 55°, low 42°.
Pressure30.47 inHg
Wind5.6 mph NW
Humidity55%
Visibility—
Dew point33°
Thu, 1957° / 46°0
57 °
East Islip, Thursday, 19 November
Clear. High 57°, low 46°.
Pressure30.42 inHg
Wind6.7 mph SW
Humidity47%
Visibility—
Dew point32°
Fri, 2061° / 49°0
61 °
East Islip, Friday, 20 November
Overcast. High 61°, low 49°.
Pressure30.21 inHg
Wind8.9 mph W
Humidity44%
Visibility—
Dew point33°
Sat, 2158° / 49°0
58 °
East Islip, Saturday, 21 November
Clear. High 58°, low 49°.
Pressure30.18 inHg
Wind9.2 mph NW
Humidity59%
Visibility—
Dew point41°
Sun, 2255° / 45°0
55 °
East Islip, Sunday, 22 November
Partly cloudy. High 55°, low 45°.
Pressure30.33 inHg
Wind9.3 mph S
Humidity61%
Visibility—
Dew point38°
Mon, 2360° / 54°0
60 °
East Islip, Monday, 23 November
Overcast. High 60°, low 54°.
Pressure30.15 inHg
Wind7.2 mph S
Humidity88%
Visibility—
Dew point54°
Tue, 2461° / 56°0
61 °
East Islip, Tuesday, 24 November
Overcast. High 61°, low 56°.
Pressure30.12 inHg
Wind6.2 mph E
Humidity85%
Visibility—
Dew point55°
Wed, 2559° / 55°0.37
59 °
East Islip, Wednesday, 25 November
Rain. High 59°, low 55°.
Pressure29.94 inHg
Wind14.6 mph NW
Humidity98%
Visibility—
Dew point58°
Thu, 2651° / 45°0
51 °
East Islip, Thursday, 26 November
Clear. High 51°, low 45°.
Pressure30.27 inHg
Wind15 mph NW
Humidity47%
Visibility—
Dew point28°
Fri, 2753° / 43°0
53 °
East Islip, Friday, 27 November
Overcast. High 53°, low 43°.
Pressure30.56 inHg
Wind10.7 mph SE
Humidity49%
Visibility—
Dew point28°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2851° / 41°0.16
51 °
East Islip, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high51°
Average low41°
Average precipitation0.16 in
Chance of precipitation40%
Record high62° (1990)
Record low26° (2002)
Sun, 2949° / 40°0.1
49 °
East Islip, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.1 in
Chance of precipitation30%
Record high62° (2011)
Record low26° (2023)
Mon, 3047° / 38°0.14
47 °
East Islip, Monday, 30 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.14 in
Chance of precipitation35%
Record high63° (2020)
Record low26° (1976)
Tue, 0148° / 38°0.14
48 °
East Islip, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.14 in
Chance of precipitation37%
Record high64° (2001)
Record low24° (1964)
Wed, 0247° / 38°0.14
47 °
East Islip, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.14 in
Chance of precipitation33%
Record high58° (1982)
Record low22° (1971)
Thu, 0347° / 37°0.15
47 °
East Islip, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high47°
Average low37°
Average precipitation0.15 in
Chance of precipitation30%
Record high61° (2009)
Record low17° (1976)
Fri, 0446° / 36°0.11
46 °
East Islip, Friday, 4 December
Climate normal for this date — 60-year average.
Average high46°
Average low36°
Average precipitation0.11 in
Chance of precipitation23%
Record high65° (1998)
Record low18° (1989)
Sat, 0545° / 36°0.18
45 °
East Islip, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.18 in
Chance of precipitation30%
Record high62° (2001)
Record low20° (2025)
Sun, 0646° / 37°0.19
46 °
East Islip, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.19 in
Chance of precipitation48%
Record high63° (2001)
Record low25° (2007)
Mon, 0745° / 36°0.16
45 °
East Islip, Monday, 7 December
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.16 in
Chance of precipitation35%
Record high68° (1998)
Record low23° (1964)
Tue, 0843° / 35°0.12
43 °
East Islip, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high43°
Average low35°
Average precipitation0.12 in
Chance of precipitation38%
Record high57° (1978)
Record low21° (2006)
Wed, 0945° / 35°0.24
45 °
East Islip, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.24 in
Chance of precipitation42%
Record high62° (1978)
Record low17° (1968)
Thu, 1045° / 36°0.15
45 °
East Islip, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.15 in
Chance of precipitation40%
Record high59° (2023)
Record low12° (1968)
Fri, 1144° / 35°0.27
44 °
East Islip, Friday, 11 December
Climate normal for this date — 60-year average.
Average high44°
Average low35°
Average precipitation0.27 in
Chance of precipitation47%
Record high60° (2021)
Record low16° (1977)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for East Islip, NY are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in East Islip, NY since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.