Weather in Old Chatham, NY
Old Chatham, Thursday, 29 October, 23:17
Overcast. Feels like 57°. High 68°, low 41°.
Monthly outlook for Old Chatham, NY: average high 54.1°, average low 39.4°. That is 3.6° above the climate normal for October. Precipitation is expected on 6 days (about 3.1 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 3 November (68.3°), the coolest 12 November (25.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 62° | 49.2° | +7.1° |
| 8 November – 17 November | 40.9° | 44° | -1.7° |
| 18 November – 27 November | at normal | 40.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Stockbridge (13 mi).
0Old Chatham, Friday, 30 October
Overcast. High 57°, low 40°.
0
Old Chatham, Saturday, 31 October
Partly cloudy. High 51°, low 34°.
0
Old Chatham, Sunday, 1 November
Clear. High 58°, low 35°.
0Old Chatham, Monday, 2 November
Overcast. High 64°, low 41°.
0Old Chatham, Tuesday, 3 November
Overcast. High 68°, low 44°.
0
Old Chatham, Wednesday, 4 November
Mostly clear. High 67°, low 50°.
0.11
Old Chatham, Thursday, 5 November
Light rain. High 62°, low 53°.
1.55Old Chatham, Friday, 6 November
Heavy rain. High 66°, low 62°.
0.19Old Chatham, Saturday, 7 November
Rain. High 61°, low 43°.
0Old Chatham, Sunday, 8 November
Clear. High 47°, low 33°.
0Old Chatham, Monday, 9 November
Overcast. High 45°, low 31°.
0.57
Old Chatham, Tuesday, 10 November
Snow. High 37°, low 33°.
0.28Old Chatham, Wednesday, 11 November
Snow. High 37°, low 31°.
0Old Chatham, Thursday, 12 November
Clear. High 40°, low 25°.
0.37Old Chatham, Friday, 13 November
Snow. High 40°, low 33°.
0.13Old Chatham, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12
Old Chatham, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Old Chatham, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Old Chatham, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Old Chatham, Thursday, 19 November
Climate normal for this date — 60-year average.
0.15Old Chatham, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Old Chatham, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Old Chatham, Monday, 23 November
Climate normal for this date — 60-year average.
0.09Old Chatham, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14Old Chatham, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.19Old Chatham, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12Old Chatham, Friday, 27 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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