Weather in Harwich, MA
Harwich, Monday, 26 October, 05:44
Clear. Feels like 50°. High 67°, low 40°.
Monthly outlook for Harwich, MA: average high 56°, average low 47.5°. That is 1° above the climate normal for October. Precipitation is expected on 5 days (about 2.8 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 26 October (66.9°), the coolest 27 October (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 58° | 54.9° | +1.7° |
| 5 November – 14 November | 52.8° | 52.2° | +0.4° |
| 15 November – 24 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Chatham (5 mi).
0
Harwich, Tuesday, 27 October
Overcast. High 56°, low 35°.
0
Harwich, Wednesday, 28 October
Clear. High 53°, low 44°.
0
Harwich, Thursday, 29 October
Partly cloudy. High 60°, low 49°.
0Harwich, Friday, 30 October
Clear. High 66°, low 56°.
0Harwich, Saturday, 31 October
Partly cloudy. High 57°, low 50°.
0Harwich, Sunday, 1 November
Overcast. High 56°, low 49°.
0.01
Harwich, Monday, 2 November
Light rain. High 62°, low 55°.
0.08Harwich, Tuesday, 3 November
Light rain. High 57°, low 47°.
0Harwich, Wednesday, 4 November
Clear. High 47°, low 45°.
0Harwich, Thursday, 5 November
Clear. High 50°, low 45°.
0.31Harwich, Friday, 6 November
Rain. High 55°, low 49°.
0.64Harwich, Saturday, 7 November
Heavy rain. High 57°, low 51°.
1.05Harwich, Sunday, 8 November
Rain. High 56°, low 50°.
0.74Harwich, Monday, 9 November
Rain. High 50°, low 46°.
0.02Harwich, Tuesday, 10 November
Light rain. High 49°, low 48°.
0.13
Harwich, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Harwich, Thursday, 12 November
Climate normal for this date — 60-year average.
0.22Harwich, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Harwich, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Harwich, Sunday, 15 November
Climate normal for this date — 60-year average.
0.17Harwich, Monday, 16 November
Climate normal for this date — 60-year average.
0.17Harwich, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Harwich, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07
Harwich, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Harwich, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Harwich, Saturday, 21 November
Climate normal for this date — 60-year average.
0.22Harwich, Sunday, 22 November
Climate normal for this date — 60-year average.
0.17Harwich, Monday, 23 November
Climate normal for this date — 60-year average.
0.14Harwich, Tuesday, 24 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 Harwich, 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 Harwich, 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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