Weather in Tappan, NY
Tappan, Tuesday, 13 October, 03:45
Clear. Feels like 55°. High 69°, low 55°.
Monthly outlook for Tappan, NY: average high 62.3°, average low 50.1°. That is 0.6° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 24 October (75.3°), the coolest 18 October (39.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 63.7° | 62.4° | +0.7° |
| 23 October – 1 November | 60° | 58.7° | +0.7° |
| 2 November – 11 November | at normal | 55.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — South Nyack (4 mi).
0.07
Tappan, Wednesday, 14 October
Light rain. High 73°, low 62°.
0
Tappan, Thursday, 15 October
Mostly clear. High 62°, low 52°.
0.46Tappan, Friday, 16 October
Rain. High 71°, low 52°.
0
Tappan, Saturday, 17 October
Clear. High 51°, low 42°.
0Tappan, Sunday, 18 October
Clear. High 58°, low 39°.
0Tappan, Monday, 19 October
Clear. High 62°, low 44°.
0
Tappan, Tuesday, 20 October
Overcast. High 65°, low 51°.
0Tappan, Wednesday, 21 October
Clear. High 65°, low 49°.
0Tappan, Thursday, 22 October
Overcast. High 62°, low 51°.
0Tappan, Friday, 23 October
Clear. High 67°, low 51°.
0Tappan, Saturday, 24 October
Overcast. High 75°, low 58°.
0Tappan, Sunday, 25 October
Overcast. High 58°, low 53°.
0.56Tappan, Monday, 26 October
Rain. High 51°, low 47°.
0.05Tappan, Tuesday, 27 October
Light rain. High 53°, low 49°.
0.01Tappan, Wednesday, 28 October
Light rain. High 56°, low 48°.
0.2
Tappan, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Tappan, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Tappan, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Tappan, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1
Tappan, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Tappan, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Tappan, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Tappan, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Tappan, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Tappan, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Tappan, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Tappan, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Tappan, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Tappan, Wednesday, 11 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 Tappan, 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 Tappan, 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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