Weather in West Chatham, MA
West Chatham, Saturday, 31 October, 12:06
Clear. Feels like 47°. High 52°, low 42°.
Monthly outlook for West Chatham, MA: average high 54.5°, average low 48.1°. That is 0.9° above the climate normal for October. Precipitation is expected on 4 days (about 3.0 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 5 November (63.1°), the coolest 1 November (39.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 57.1° | 53.9° | +1.8° |
| 10 November – 19 November | 50.1° | 50.4° | -0.2° |
| 20 November – 29 November | at normal | 48° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Chatham (1 mi).
0West Chatham, Sunday, 1 November
Clear. High 59°, low 39°.
0
West Chatham, Monday, 2 November
Mostly clear. High 62°, low 47°.
0
West Chatham, Tuesday, 3 November
Overcast. High 63°, low 54°.
0West Chatham, Wednesday, 4 November
Clear. High 62°, low 53°.
0West Chatham, Thursday, 5 November
Clear. High 63°, low 57°.
0West Chatham, Friday, 6 November
Overcast. High 60°, low 55°.
1.7
West Chatham, Saturday, 7 November
Heavy rain. High 53°, low 49°.
1.12West Chatham, Sunday, 8 November
Heavy rain. High 48°, low 46°.
0.01West Chatham, Monday, 9 November
Light rain. High 48°, low 47°.
0.01West Chatham, Tuesday, 10 November
Light rain. High 50°, low 48°.
0West Chatham, Wednesday, 11 November
Overcast. High 51°, low 48°.
0.01West Chatham, Thursday, 12 November
Light rain. High 52°, low 49°.
0.04West Chatham, Friday, 13 November
Light rain. High 50°, low 47°.
0.02West Chatham, Saturday, 14 November
Light rain. High 47°, low 44°.
0.13West Chatham, Sunday, 15 November
Light rain. High 50°, low 45°.
0.17
West Chatham, Monday, 16 November
Climate normal for this date — 60-year average.
0.17
West Chatham, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1West Chatham, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07West Chatham, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1West Chatham, Friday, 20 November
Climate normal for this date — 60-year average.
0.1West Chatham, Saturday, 21 November
Climate normal for this date — 60-year average.
0.22West Chatham, Sunday, 22 November
Climate normal for this date — 60-year average.
0.17West Chatham, Monday, 23 November
Climate normal for this date — 60-year average.
0.14West Chatham, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.12West Chatham, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17West Chatham, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13West Chatham, Friday, 27 November
Climate normal for this date — 60-year average.
0.17West Chatham, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11West Chatham, Sunday, 29 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 West Chatham, MA 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 West Chatham, MA 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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