Weather in Upper Brookville, NY
Upper Brookville, Friday, 9 October, 11:22
Clear. Feels like 66°. High 69°, low 45°.
Monthly outlook for Upper Brookville, NY: average high 63.1°, average low 51.7°. That is 0.7° above the climate normal for October. Precipitation is expected on 6 days (about 7.6 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 13 October (73.8°), the coolest 19 October (42.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 65.4° | 62.9° | +1.4° |
| 19 October – 28 October | 59.2° | 59.6° | -0.2° |
| 29 October – 7 November | at normal | 56.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Greenvale (4 mi).
0
Upper Brookville, Saturday, 10 October
Overcast. High 68°, low 51°.
0.78
Upper Brookville, Sunday, 11 October
Rain. High 63°, low 53°.
0.6Upper Brookville, Monday, 12 October
Heavy rain. High 70°, low 59°.
0.02Upper Brookville, Tuesday, 13 October
Light rain. High 74°, low 58°.
0Upper Brookville, Wednesday, 14 October
Overcast. High 65°, low 53°.
0
Upper Brookville, Thursday, 15 October
Partly cloudy. High 61°, low 50°.
0.22Upper Brookville, Friday, 16 October
Rain. High 65°, low 57°.
0.2Upper Brookville, Saturday, 17 October
Rain. High 67°, low 50°.
0Upper Brookville, Sunday, 18 October
Clear. High 52°, low 44°.
0Upper Brookville, Monday, 19 October
Overcast. High 51°, low 42°.
0Upper Brookville, Tuesday, 20 October
Overcast. High 57°, low 47°.
0Upper Brookville, Wednesday, 21 October
Clear. High 59°, low 50°.
0Upper Brookville, Thursday, 22 October
Overcast. High 61°, low 52°.
0.18Upper Brookville, Friday, 23 October
Light rain. High 65°, low 57°.
5.58Upper Brookville, Saturday, 24 October
Heavy rain. High 63°, low 59°.
0.13
Upper Brookville, Sunday, 25 October
Climate normal for this date — 60-year average.
0.15Upper Brookville, Monday, 26 October
Climate normal for this date — 60-year average.
0.16Upper Brookville, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.16Upper Brookville, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.2Upper Brookville, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Upper Brookville, Friday, 30 October
Climate normal for this date — 60-year average.
0.06
Upper Brookville, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Upper Brookville, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Upper Brookville, Monday, 2 November
Climate normal for this date — 60-year average.
0.1Upper Brookville, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Upper Brookville, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Upper Brookville, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Upper Brookville, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Upper Brookville, Saturday, 7 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 Upper 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 Upper 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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