Weather in Islandia, NY
Islandia, Sunday, 8 November, 18:48
Partly cloudy. Feels like 52°. High 59°, low 47°.
Monthly outlook for Islandia, NY: average high 52.1°, average low 44.5°. That is 0.4° above the climate normal for November. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 8 November (58.7°), the coolest 23 November (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 52.4° | 52.5° | -0.1° |
| 18 November – 27 November | 51.6° | 49.5° | +1.2° |
| 28 November – 7 December | at normal | 46.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Brentwood (5 mi).
0.04
Islandia, Monday, 9 November
Light rain. High 55°, low 47°.
0
Islandia, Tuesday, 10 November
Partly cloudy. High 56°, low 45°.
0
Islandia, Wednesday, 11 November
Mostly clear. High 56°, low 46°.
0.15Islandia, Thursday, 12 November
Light rain. High 56°, low 45°.
0.64Islandia, Friday, 13 November
Rain. High 48°, low 43°.
0.03Islandia, Saturday, 14 November
Light rain. High 46°, low 41°.
0
Islandia, Sunday, 15 November
Overcast. High 47°, low 44°.
0Islandia, Monday, 16 November
Partly cloudy. High 51°, low 46°.
0Islandia, Tuesday, 17 November
Mostly clear. High 50°, low 43°.
0
Islandia, Wednesday, 18 November
Clear. High 50°, low 42°.
0Islandia, Thursday, 19 November
Overcast. High 52°, low 43°.
0.09Islandia, Friday, 20 November
Light rain. High 56°, low 52°.
0Islandia, Saturday, 21 November
Clear. High 52°, low 47°.
0Islandia, Sunday, 22 November
Light rain. High 52°, low 43°.
0Islandia, Monday, 23 November
Clear. High 48°, low 38°.
0.09Islandia, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14
Islandia, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.21Islandia, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Islandia, Friday, 27 November
Climate normal for this date — 60-year average.
0.16Islandia, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Islandia, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Islandia, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Islandia, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Islandia, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15Islandia, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Islandia, Friday, 4 December
Climate normal for this date — 60-year average.
0.18Islandia, Saturday, 5 December
Climate normal for this date — 60-year average.
0.19Islandia, Sunday, 6 December
Climate normal for this date — 60-year average.
0.16Islandia, Monday, 7 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 Islandia, 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 Islandia, 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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