Weather in Harthaven, MA
Harthaven, Thursday, 22 October, 11:12
Clear. Feels like 54°. High 57°, low 46°.
Monthly outlook for Harthaven, MA: average high 54.3°, average low 47.1°. That is 1.1° below the climate normal for October. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 2 November (59.6°), the coolest 6 November (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 54.7° | 56.8° | -1.2° |
| 1 November – 10 November | 53.8° | 55° | -0.7° |
| 11 November – 20 November | at normal | 51.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Edgartown (5 mi).
0
Harthaven, Friday, 23 October
Partly cloudy. High 51°, low 43°.
0Harthaven, Saturday, 24 October
Clear. High 53°, low 42°.
0
Harthaven, Sunday, 25 October
Mostly clear. High 54°, low 47°.
0Harthaven, Monday, 26 October
Clear. High 57°, low 52°.
0Harthaven, Tuesday, 27 October
Partly cloudy. High 55°, low 47°.
0
Harthaven, Wednesday, 28 October
Overcast. High 50°, low 47°.
0Harthaven, Thursday, 29 October
Overcast. High 59°, low 51°.
0.02
Harthaven, Friday, 30 October
Light rain. High 59°, low 51°.
0Harthaven, Saturday, 31 October
Clear. High 53°, low 47°.
0Harthaven, Sunday, 1 November
Overcast. High 60°, low 51°.
1.38Harthaven, Monday, 2 November
Heavy rain. High 60°, low 57°.
0Harthaven, Tuesday, 3 November
Overcast. High 56°, low 49°.
0.26Harthaven, Wednesday, 4 November
Rain. High 53°, low 45°.
0.67Harthaven, Thursday, 5 November
Rain. High 47°, low 40°.
0.02Harthaven, Friday, 6 November
Light rain. High 48°, low 40°.
0.08Harthaven, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Harthaven, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Harthaven, Monday, 9 November
Climate normal for this date — 60-year average.
0.21
Harthaven, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Harthaven, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.18Harthaven, Thursday, 12 November
Climate normal for this date — 60-year average.
0.23Harthaven, Friday, 13 November
Climate normal for this date — 60-year average.
0.12Harthaven, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Harthaven, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Harthaven, Monday, 16 November
Climate normal for this date — 60-year average.
0.18Harthaven, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Harthaven, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Harthaven, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Harthaven, Friday, 20 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 Harthaven, 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 Harthaven, 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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