Weather in East Islip, NY
East Islip, Wednesday, 11 November, 04:33
Clear. Feels like 49°. High 60°, low 50°.
Monthly outlook for East Islip, NY: average high 51.7°, average low 43.3°. That is 0.5° above the climate normal for November. Precipitation is expected on 4 days (about 2.9 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 11 November (60°), the coolest 25 November (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 51.7° | 51.7° | +0° |
| 21 November – 30 November | 51.8° | 49.3° | +1.4° |
| 1 December – 10 December | at normal | 45.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Islip (1 mi).
0.57
East Islip, Thursday, 12 November
Heavy rain. High 60°, low 49°.
0.35East Islip, Friday, 13 November
Rain. High 48°, low 40°.
0
East Islip, Saturday, 14 November
Mostly clear. High 45°, low 38°.
0
East Islip, Sunday, 15 November
Overcast. High 49°, low 37°.
0East Islip, Monday, 16 November
Overcast. High 49°, low 41°.
0East Islip, Tuesday, 17 November
Overcast. High 50°, low 43°.
0East Islip, Wednesday, 18 November
Overcast. High 48°, low 46°.
0
East Islip, Thursday, 19 November
Clear. High 53°, low 44°.
0East Islip, Friday, 20 November
Overcast. High 55°, low 44°.
0East Islip, Saturday, 21 November
Overcast. High 56°, low 49°.
0.33East Islip, Sunday, 22 November
Rain. High 60°, low 54°.
0
East Islip, Monday, 23 November
Partly cloudy. High 54°, low 48°.
1.64
East Islip, Tuesday, 24 November
Snow. High 47°, low 36°.
0East Islip, Wednesday, 25 November
Overcast. High 42°, low 35°.
0East Islip, Thursday, 26 November
Overcast. High 51°, low 39°.
0.13
East Islip, Friday, 27 November
Climate normal for this date — 60-year average.
0.16East Islip, Saturday, 28 November
Climate normal for this date — 60-year average.
0.1East Islip, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14East Islip, Monday, 30 November
Climate normal for this date — 60-year average.
0.14East Islip, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14East Islip, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15East Islip, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11East Islip, Friday, 4 December
Climate normal for this date — 60-year average.
0.18East Islip, Saturday, 5 December
Climate normal for this date — 60-year average.
0.19East Islip, Sunday, 6 December
Climate normal for this date — 60-year average.
0.16East Islip, Monday, 7 December
Climate normal for this date — 60-year average.
0.12East Islip, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.24East Islip, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15East Islip, Thursday, 10 December
Climate normal for this date — 60-year average.
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.
Sun and moon today
Weather history
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