Weather in Middle Island, NY
Middle Island, Friday, 30 October, 16:12
Mostly clear. Feels like 65°. High 68°, low 48°.
Monthly outlook for Middle Island, NY: average high 57.4°, average low 46.9°. That is 1.3° 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 4 November (69.1°), the coolest 1 November (38.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 61.9° | 56.2° | +3.1° |
| 9 November – 18 November | 49.9° | 52.2° | -1.3° |
| 19 November – 28 November | at normal | 49.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Brookhaven (4 mi).
0
Middle Island, Saturday, 31 October
Clear. High 56°, low 42°.
0
Middle Island, Sunday, 1 November
Overcast. High 58°, low 38°.
0Middle Island, Monday, 2 November
Overcast. High 64°, low 49°.
0.01
Middle Island, Tuesday, 3 November
Light rain. High 69°, low 52°.
0Middle Island, Wednesday, 4 November
Overcast. High 69°, low 55°.
0.43Middle Island, Thursday, 5 November
Rain. High 63°, low 60°.
0.28Middle Island, Friday, 6 November
Rain. High 63°, low 58°.
0.05Middle Island, Saturday, 7 November
Light rain. High 58°, low 47°.
0Middle Island, Sunday, 8 November
Clear. High 50°, low 42°.
0Middle Island, Monday, 9 November
Clear. High 51°, low 42°.
0Middle Island, Tuesday, 10 November
Overcast. High 49°, low 44°.
0.63Middle Island, Wednesday, 11 November
Rain. High 47°, low 44°.
0.03Middle Island, Thursday, 12 November
Light rain. High 49°, low 43°.
0Middle Island, Friday, 13 November
Clear. High 52°, low 43°.
0Middle Island, Saturday, 14 November
Clear. High 52°, low 44°.
0.12
Middle Island, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Middle Island, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Middle Island, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07
Middle Island, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Middle Island, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Middle Island, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Middle Island, Saturday, 21 November
Climate normal for this date — 60-year average.
0.16Middle Island, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Middle Island, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Middle Island, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Middle Island, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.22Middle Island, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Middle Island, Friday, 27 November
Climate normal for this date — 60-year average.
0.17Middle Island, Saturday, 28 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 Middle Island, 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 Middle Island, 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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