Weather in Locust Valley, PA
Locust Valley, Wednesday, 21 October, 04:01
Clear. Feels like 43°. High 65°, low 40°.
Monthly outlook for Locust Valley, PA: average high 56.7°, average low 38.4°. That is 1° below the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 22 October (66.4°), the coolest 4 November (31.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 58.8° | 59.2° | -0.2° |
| 31 October – 9 November | 53.2° | 56.2° | -1.6° |
| 10 November – 19 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fountain Hill (7 mi).
0
Locust Valley, Thursday, 22 October
Clear. High 66°, low 36°.
0Locust Valley, Friday, 23 October
Clear. High 57°, low 40°.
0Locust Valley, Saturday, 24 October
Clear. High 58°, low 36°.
0Locust Valley, Sunday, 25 October
Clear. High 62°, low 36°.
0Locust Valley, Monday, 26 October
Clear. High 65°, low 39°.
0
Locust Valley, Tuesday, 27 October
Overcast. High 63°, low 47°.
0Locust Valley, Wednesday, 28 October
Clear. High 51°, low 37°.
0.17
Locust Valley, Thursday, 29 October
Light rain. High 45°, low 40°.
0Locust Valley, Friday, 30 October
Overcast. High 55°, low 37°.
0Locust Valley, Saturday, 31 October
Clear. High 53°, low 34°.
0
Locust Valley, Sunday, 1 November
Partly cloudy. High 60°, low 38°.
0.96Locust Valley, Monday, 2 November
Rain. High 62°, low 53°.
0
Locust Valley, Tuesday, 3 November
Mostly clear. High 51°, low 36°.
0Locust Valley, Wednesday, 4 November
Clear. High 47°, low 32°.
0Locust Valley, Thursday, 5 November
Clear. High 47°, low 32°.
0.08Locust Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Locust Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Locust Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Locust Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Locust Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Locust Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Locust Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Locust Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Locust Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Locust Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Locust Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Locust Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Locust Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Locust Valley, Thursday, 19 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 Locust Valley, PA 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, PA 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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