Weather in Katonah, NY
Katonah, Wednesday, 7 October, 21:58
Clear. Feels like 54°. High 66°, low 38°.
Monthly outlook for Katonah, NY: average high 66.7°, average low 48.5°. That is 3.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 17 October (80.5°), the coolest 7 October (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 67.1° | 62.3° | +2.7° |
| 17 October – 26 October | 66° | 58.6° | +4.1° |
| 27 October – 5 November | at normal | 55.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ridgefield (10 mi).
0
Katonah, Thursday, 8 October
Mostly clear. High 73°, low 49°.
0
Katonah, Friday, 9 October
Clear. High 69°, low 44°.
0
Katonah, Saturday, 10 October
Overcast. High 66°, low 46°.
0.01
Katonah, Sunday, 11 October
Light rain. High 66°, low 51°.
0.44Katonah, Monday, 12 October
Rain. High 66°, low 58°.
0.22Katonah, Tuesday, 13 October
Rain. High 75°, low 55°.
0Katonah, Wednesday, 14 October
Clear. High 57°, low 40°.
0
Katonah, Thursday, 15 October
Partly cloudy. High 60°, low 39°.
0Katonah, Friday, 16 October
Partly cloudy. High 73°, low 53°.
0Katonah, Saturday, 17 October
Clear. High 80°, low 59°.
0.05Katonah, Sunday, 18 October
Light rain. High 71°, low 58°.
0.08Katonah, Monday, 19 October
Light rain. High 62°, low 57°.
0Katonah, Tuesday, 20 October
Partly cloudy. High 65°, low 49°.
0Katonah, Wednesday, 21 October
Overcast. High 59°, low 43°.
0Katonah, Thursday, 22 October
Clear. High 58°, low 38°.
0.07Katonah, Friday, 23 October
Climate normal for this date — 60-year average.
0.16Katonah, Saturday, 24 October
Climate normal for this date — 60-year average.
0.13
Katonah, Sunday, 25 October
Climate normal for this date — 60-year average.
0.14Katonah, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Katonah, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.17Katonah, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.18Katonah, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13Katonah, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Katonah, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Katonah, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Katonah, Monday, 2 November
Climate normal for this date — 60-year average.
0.11Katonah, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Katonah, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Katonah, Thursday, 5 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 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 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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