Weather in Lake Katonah, NY
Lake Katonah, Thursday, 12 November, 11:00
Overcast. Feels like 54°. High 55°, low 45°.
Monthly outlook for Lake Katonah, NY: average high 52.8°, average low 37.5°. That is 2.9° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 24 November (65.5°), the coolest 17 November (31.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 51.2° | 48.3° | +1.6° |
| 22 November – 1 December | 55.4° | 45.8° | +5.3° |
| 2 December – 11 December | at normal | 41.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Ridgefield (8 mi).
0.67
Lake Katonah, Friday, 13 November
Rain. High 47°, low 36°.
0Lake Katonah, Saturday, 14 November
Overcast. High 43°, low 32°.
0Lake Katonah, Sunday, 15 November
Overcast. High 44°, low 35°.
0
Lake Katonah, Monday, 16 November
Partly cloudy. High 46°, low 32°.
0
Lake Katonah, Tuesday, 17 November
Clear. High 51°, low 32°.
0Lake Katonah, Wednesday, 18 November
Clear. High 53°, low 33°.
0Lake Katonah, Thursday, 19 November
Clear. High 56°, low 36°.
0Lake Katonah, Friday, 20 November
Clear. High 61°, low 40°.
0
Lake Katonah, Saturday, 21 November
Mostly clear. High 55°, low 37°.
0Lake Katonah, Sunday, 22 November
Partly cloudy. High 52°, low 33°.
0Lake Katonah, Monday, 23 November
Overcast. High 62°, low 45°.
0Lake Katonah, Tuesday, 24 November
Mostly clear. High 66°, low 50°.
0.21Lake Katonah, Wednesday, 25 November
Light rain. High 60°, low 48°.
0Lake Katonah, Thursday, 26 November
Clear. High 47°, low 34°.
0Lake Katonah, Friday, 27 November
Overcast. High 46°, low 32°.
0.16
Lake Katonah, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Lake Katonah, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Lake Katonah, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Lake Katonah, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Lake Katonah, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Lake Katonah, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Lake Katonah, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Lake Katonah, Saturday, 5 December
Climate normal for this date — 60-year average.
0.16Lake Katonah, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Lake Katonah, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Lake Katonah, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19Lake Katonah, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Lake Katonah, Thursday, 10 December
Climate normal for this date — 60-year average.
0.22Lake Katonah, Friday, 11 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 Katonah, 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 Katonah, 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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