Weather in Old Chatham, NY
Old Chatham, Friday, 16 October, 23:52
Overcast. Feels like 52°. High 66°, low 49°.
Monthly outlook for Old Chatham, NY: average high 58.6°, average low 40.4°. That is 3.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 16 October (66.1°), the coolest 27 October (33.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 60° | 53.6° | +3.5° |
| 26 October – 4 November | 56.3° | 50.4° | +3.3° |
| 5 November – 14 November | at normal | 45.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Stockbridge (13 mi).
0
Old Chatham, Saturday, 17 October
Clear. High 53°, low 35°.
0Old Chatham, Sunday, 18 October
Clear. High 60°, low 35°.
0Old Chatham, Monday, 19 October
Clear. High 62°, low 39°.
0Old Chatham, Tuesday, 20 October
Clear. High 63°, low 43°.
0Old Chatham, Wednesday, 21 October
Clear. High 58°, low 40°.
0Old Chatham, Thursday, 22 October
Clear. High 58°, low 38°.
0Old Chatham, Friday, 23 October
Clear. High 58°, low 39°.
0Old Chatham, Saturday, 24 October
Clear. High 60°, low 36°.
0Old Chatham, Sunday, 25 October
Clear. High 62°, low 39°.
0Old Chatham, Monday, 26 October
Clear. High 53°, low 38°.
0Old Chatham, Tuesday, 27 October
Overcast. High 50°, low 34°.
0.03
Old Chatham, Wednesday, 28 October
Light rain. High 59°, low 44°.
0Old Chatham, Thursday, 29 October
Clear. High 59°, low 43°.
0.05Old Chatham, Friday, 30 October
Light rain. High 60°, low 44°.
0.43Old Chatham, Saturday, 31 October
Rain. High 56°, low 52°.
0.09
Old Chatham, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Monday, 2 November
Climate normal for this date — 60-year average.
0.13
Old Chatham, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05
Old Chatham, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Old Chatham, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Old Chatham, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Old Chatham, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Old Chatham, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Old Chatham, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Old Chatham, Thursday, 12 November
Climate normal for this date — 60-year average.
0.16Old Chatham, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Old Chatham, Saturday, 14 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 Old Chatham, 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 Old Chatham, 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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