Weather in Old Brookville, NY
Old Brookville, Friday, 30 October, 15:58
Clear. Feels like 66°. High 68°, low 48°.
Monthly outlook for Old Brookville, NY: average high 57.9°, average low 46.9°. That is 1.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 30 October (68.5°), the coolest 13 November (40°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 62.4° | 56.3° | +3.4° |
| 9 November – 18 November | 50.3° | 51.8° | -0.9° |
| 19 November – 28 November | at normal | 49° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Greenvale (2 mi).
0Old Brookville, Saturday, 31 October
Clear. High 57°, low 45°.
0
Old Brookville, Sunday, 1 November
Overcast. High 59°, low 42°.
0Old Brookville, Monday, 2 November
Overcast. High 64°, low 49°.
0Old Brookville, Tuesday, 3 November
Overcast. High 68°, low 52°.
0Old Brookville, Wednesday, 4 November
Overcast. High 68°, low 54°.
0.37
Old Brookville, Thursday, 5 November
Rain. High 66°, low 61°.
0.39Old Brookville, Friday, 6 November
Rain. High 64°, low 60°.
0.09Old Brookville, Saturday, 7 November
Light rain. High 60°, low 48°.
0Old Brookville, Sunday, 8 November
Clear. High 51°, low 41°.
0Old Brookville, Monday, 9 November
Clear. High 53°, low 41°.
0Old Brookville, Tuesday, 10 November
Overcast. High 51°, low 44°.
0.72Old Brookville, Wednesday, 11 November
Rain. High 45°, low 42°.
0.02Old Brookville, Thursday, 12 November
Light rain. High 49°, low 41°.
0Old Brookville, Friday, 13 November
Clear. High 52°, low 40°.
0
Old Brookville, Saturday, 14 November
Mostly clear. High 53°, low 42°.
0.1
Old Brookville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11
Old Brookville, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Old Brookville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Old Brookville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Old Brookville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12Old Brookville, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Old Brookville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Old Brookville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Old Brookville, Monday, 23 November
Climate normal for this date — 60-year average.
0.09Old Brookville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Old Brookville, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.19Old Brookville, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Old Brookville, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Old Brookville, 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 Old Brookville, 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 Old Brookville, 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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