Weather in Old Chatham, NY
Old Chatham, Thursday, 12 November, 15:18
Rain. Feels like 37°. High 46°, low 38°.
Monthly outlook for Old Chatham, NY: average high 50.2°, average low 36.1°. That is 4.9° above the climate normal for November. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 24 November (65.4°), the coolest 14 November (30.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 47.7° | 42.2° | +3.1° |
| 22 November – 1 December | 54.2° | 39.6° | +8.2° |
| 2 December – 11 December | at normal | 35° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — West Stockbridge (13 mi).
0.24
Old Chatham, Friday, 13 November
Snow. High 40°, low 32°.
0
Old Chatham, Saturday, 14 November
Overcast. High 43°, low 30°.
0Old Chatham, Sunday, 15 November
Overcast. High 44°, low 36°.
0Old Chatham, Monday, 16 November
Overcast. High 44°, low 34°.
0Old Chatham, Tuesday, 17 November
Overcast. High 50°, low 34°.
0
Old Chatham, Wednesday, 18 November
Clear. High 51°, low 33°.
0Old Chatham, Thursday, 19 November
Clear. High 54°, low 35°.
0Old Chatham, Friday, 20 November
Clear. High 58°, low 38°.
0Old Chatham, Saturday, 21 November
Overcast. High 50°, low 34°.
0
Old Chatham, Sunday, 22 November
Partly cloudy. High 47°, low 31°.
0Old Chatham, Monday, 23 November
Overcast. High 59°, low 46°.
0
Old Chatham, Tuesday, 24 November
Mostly clear. High 65°, low 47°.
0.17Old Chatham, Wednesday, 25 November
Light rain. High 62°, low 44°.
0Old Chatham, Thursday, 26 November
Partly cloudy. High 44°, low 33°.
0Old Chatham, Friday, 27 November
Overcast. High 47°, low 31°.
0.17
Old Chatham, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Old Chatham, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Old Chatham, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Old Chatham, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13Old Chatham, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15Old Chatham, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Old Chatham, Friday, 4 December
Climate normal for this date — 60-year average.
0.12Old Chatham, Saturday, 5 December
Climate normal for this date — 60-year average.
0.15Old Chatham, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Old Chatham, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Old Chatham, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.14Old Chatham, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.1Old Chatham, Thursday, 10 December
Climate normal for this date — 60-year average.
0.18Old Chatham, 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 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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