Weather in Lake Grove, NY
Lake Grove, Sunday, 15 November, 13:03
Partly cloudy. Feels like 43°. High 49°, low 37°.
Monthly outlook for Lake Grove, NY: average high 52.5°, average low 43.7°. That is 1.8° above the climate normal for November. Precipitation is expected on 1 day (about 0.7 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 20 November (58.8°), the coolest 30 November (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 53.1° | 49.6° | +2° |
| 25 November – 4 December | 51.6° | 47.6° | +2.2° |
| 5 December – 14 December | at normal | 43.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Stony Brook University (4 mi).
0
Lake Grove, Monday, 16 November
Overcast. High 46°, low 38°.
0
Lake Grove, Tuesday, 17 November
Clear. High 51°, low 39°.
0
Lake Grove, Wednesday, 18 November
Mostly clear. High 56°, low 46°.
0Lake Grove, Thursday, 19 November
Mostly clear. High 59°, low 45°.
0Lake Grove, Friday, 20 November
Clear. High 59°, low 48°.
0Lake Grove, Saturday, 21 November
Overcast. High 56°, low 48°.
0Lake Grove, Sunday, 22 November
Overcast. High 57°, low 51°.
0Lake Grove, Monday, 23 November
Overcast. High 54°, low 47°.
0.01
Lake Grove, Tuesday, 24 November
Light rain. High 45°, low 43°.
0Lake Grove, Wednesday, 25 November
Overcast. High 48°, low 41°.
0Lake Grove, Thursday, 26 November
Mostly clear. High 52°, low 43°.
0Lake Grove, Friday, 27 November
Overcast. High 53°, low 45°.
0.74Lake Grove, Saturday, 28 November
Rain. High 59°, low 53°.
0Lake Grove, Sunday, 29 November
Overcast. High 55°, low 40°.
0Lake Grove, Monday, 30 November
Overcast. High 43°, low 35°.
0.14
Lake Grove, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Lake Grove, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15Lake Grove, Thursday, 3 December
Climate normal for this date — 60-year average.
0.12Lake Grove, Friday, 4 December
Climate normal for this date — 60-year average.
0.17Lake Grove, Saturday, 5 December
Climate normal for this date — 60-year average.
0.18Lake Grove, Sunday, 6 December
Climate normal for this date — 60-year average.
0.15Lake Grove, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Lake Grove, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.24Lake Grove, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13Lake Grove, Thursday, 10 December
Climate normal for this date — 60-year average.
0.26Lake Grove, Friday, 11 December
Climate normal for this date — 60-year average.
0.16Lake Grove, Saturday, 12 December
Climate normal for this date — 60-year average.
0.11Lake Grove, Sunday, 13 December
Climate normal for this date — 60-year average.
0.19Lake Grove, 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 Lake Grove, 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 Lake Grove, 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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