Weather in East Islip, NY
East Islip, Sunday, 25 October, 02:54
Clear. Feels like 43°. High 65°, low 40°.
Monthly outlook for East Islip, NY: average high 61.5°, average low 50°. That is 2.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (71.3°), the coolest 25 October (40.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 63.2° | 58° | +2.8° |
| 4 November – 13 November | 58.8° | 54.5° | +2.3° |
| 14 November – 23 November | at normal | 50.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Islip (1 mi).
0
East Islip, Monday, 26 October
Clear. High 67°, low 41°.
0East Islip, Tuesday, 27 October
Clear. High 57°, low 46°.
0East Islip, Wednesday, 28 October
Clear. High 57°, low 43°.
0East Islip, Thursday, 29 October
Clear. High 63°, low 49°.
0
East Islip, Friday, 30 October
Mostly clear. High 71°, low 55°.
0East Islip, Saturday, 31 October
Clear. High 61°, low 54°.
0
East Islip, Sunday, 1 November
Partly cloudy. High 63°, low 56°.
0.56
East Islip, Monday, 2 November
Rain. High 62°, low 60°.
0East Islip, Tuesday, 3 November
Clear. High 64°, low 54°.
0.13East Islip, Wednesday, 4 November
Rain. High 57°, low 48°.
0.59East Islip, Thursday, 5 November
Rain. High 65°, low 58°.
0
East Islip, Friday, 6 November
Overcast. High 55°, low 47°.
0East Islip, Saturday, 7 November
Overcast. High 57°, low 46°.
0.07East Islip, Sunday, 8 November
Light rain. High 67°, low 54°.
0East Islip, Monday, 9 November
Partly cloudy. High 51°, low 46°.
0.17
East Islip, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15East Islip, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17East Islip, Thursday, 12 November
Climate normal for this date — 60-year average.
0.23East Islip, Friday, 13 November
Climate normal for this date — 60-year average.
0.11East Islip, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12East Islip, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15East Islip, Monday, 16 November
Climate normal for this date — 60-year average.
0.14East Islip, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08East Islip, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07East Islip, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12East Islip, Friday, 20 November
Climate normal for this date — 60-year average.
0.1East Islip, Saturday, 21 November
Climate normal for this date — 60-year average.
0.16East Islip, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13East Islip, Monday, 23 November
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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