Weather in Locust Valley, NY
Locust Valley, Sunday, 15 November, 16:49
Clear. Feels like 44°. High 49°, low 38°.
Monthly outlook for Locust Valley, NY: average high 55.8°, average low 45.6°. That is 3.7° above the climate normal for November. Precipitation is expected on 4 days (about 2.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 27 November (63.6°), the coolest 17 November (37.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 54.3° | 49.6° | +2.6° |
| 25 November – 4 December | 58.4° | 47.5° | +6.1° |
| 5 December – 14 December | at normal | 43.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Greenvale (5 mi).
0
Locust Valley, Monday, 16 November
Overcast. High 50°, low 39°.
0
Locust Valley, Tuesday, 17 November
Clear. High 54°, low 37°.
0Locust Valley, Wednesday, 18 November
Clear. High 59°, low 43°.
0Locust Valley, Thursday, 19 November
Clear. High 59°, low 42°.
0Locust Valley, Friday, 20 November
Clear. High 60°, low 44°.
0Locust Valley, Saturday, 21 November
Overcast. High 56°, low 46°.
0.76
Locust Valley, Sunday, 22 November
Heavy rain. High 55°, low 54°.
0Locust Valley, Monday, 23 November
Overcast. High 53°, low 44°.
0Locust Valley, Tuesday, 24 November
Clear. High 47°, low 38°.
0Locust Valley, Wednesday, 25 November
Clear. High 52°, low 41°.
0Locust Valley, Thursday, 26 November
Overcast. High 57°, low 52°.
0.22Locust Valley, Friday, 27 November
Light rain. High 64°, low 55°.
0.71Locust Valley, Saturday, 28 November
Heavy rain. High 59°, low 55°.
0Locust Valley, Sunday, 29 November
Overcast. High 58°, low 51°.
0.26Locust Valley, Monday, 30 November
Rain. High 61°, low 51°.
0.14
Locust Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12
Locust Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Locust Valley, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Locust Valley, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Locust Valley, Saturday, 5 December
Climate normal for this date — 60-year average.
0.15Locust Valley, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Locust Valley, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Locust Valley, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Locust Valley, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Locust Valley, Thursday, 10 December
Climate normal for this date — 60-year average.
0.22Locust Valley, Friday, 11 December
Climate normal for this date — 60-year average.
0.12Locust Valley, Saturday, 12 December
Climate normal for this date — 60-year average.
0.1Locust Valley, Sunday, 13 December
Climate normal for this date — 60-year average.
0.17Locust Valley, Monday, 14 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 Locust Valley, 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 Locust Valley, 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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