Weather in Half Hollow, NY
Half Hollow, Tuesday, 20 October, 11:57
Clear. Feels like 61°. High 65°, low 44°.
Monthly outlook for Half Hollow, NY: average high 57.9°, average low 45.4°. That is 0.4° below the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 26 October (65.8°), the coolest 31 October (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 59.5° | 59.3° | +0.1° |
| 30 October – 8 November | 55.2° | 56.4° | -0.7° |
| 9 November – 18 November | at normal | 52.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — North Bay Shore (4 mi).
0Half Hollow, Wednesday, 21 October
Clear. High 62°, low 43°.
0Half Hollow, Thursday, 22 October
Clear. High 62°, low 42°.
0Half Hollow, Friday, 23 October
Clear. High 52°, low 44°.
0Half Hollow, Saturday, 24 October
Clear. High 56°, low 40°.
0Half Hollow, Sunday, 25 October
Clear. High 63°, low 43°.
0
Half Hollow, Monday, 26 October
Partly cloudy. High 66°, low 50°.
0
Half Hollow, Tuesday, 27 October
Overcast. High 65°, low 57°.
0.1
Half Hollow, Wednesday, 28 October
Light rain. High 52°, low 45°.
0Half Hollow, Thursday, 29 October
Clear. High 52°, low 44°.
0Half Hollow, Friday, 30 October
Clear. High 59°, low 47°.
0Half Hollow, Saturday, 31 October
Clear. High 50°, low 39°.
0Half Hollow, Sunday, 1 November
Overcast. High 55°, low 46°.
0Half Hollow, Monday, 2 November
Clear. High 57°, low 49°.
0Half Hollow, Tuesday, 3 November
Clear. High 54°, low 46°.
0Half Hollow, Wednesday, 4 November
Overcast. High 56°, low 48°.
0.14
Half Hollow, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11Half Hollow, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Half Hollow, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16Half Hollow, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Half Hollow, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Half Hollow, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Half Hollow, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Half Hollow, Thursday, 12 November
Climate normal for this date — 60-year average.
0.23Half Hollow, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Half Hollow, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Half Hollow, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Half Hollow, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Half Hollow, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Half Hollow, Wednesday, 18 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 Half Hollow, 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 Half Hollow, 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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