Weather in Old Harbor, MA
Old Harbor, Tuesday, 20 October, 11:49
Partly cloudy. Feels like 56°. High 58°, low 44°.
Monthly outlook for Old Harbor, MA: average high 54.6°, average low 47.6°. That is 0.7° below the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 27 October (60.4°), the coolest 29 October (42.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 55.7° | 56.5° | -0.5° |
| 30 October – 8 November | 52.8° | 54.1° | -0.8° |
| 9 November – 18 November | at normal | 51° | — |
October records over 66 years
0.46
Old Harbor, Wednesday, 21 October
Rain. High 55°, low 49°.
0.14Old Harbor, Thursday, 22 October
Rain. High 57°, low 50°.
0
Old Harbor, Friday, 23 October
Overcast. High 51°, low 46°.
0
Old Harbor, Saturday, 24 October
Clear. High 52°, low 48°.
0Old Harbor, Sunday, 25 October
Clear. High 55°, low 46°.
0Old Harbor, Monday, 26 October
Partly cloudy. High 60°, low 53°.
0Old Harbor, Tuesday, 27 October
Overcast. High 60°, low 56°.
0.06Old Harbor, Wednesday, 28 October
Light rain. High 59°, low 45°.
0Old Harbor, Thursday, 29 October
Clear. High 51°, low 42°.
0.06Old Harbor, Friday, 30 October
Light rain. High 57°, low 50°.
0.01Old Harbor, Saturday, 31 October
Light rain. High 48°, low 43°.
0Old Harbor, Sunday, 1 November
Overcast. High 56°, low 47°.
0Old Harbor, Monday, 2 November
Clear. High 55°, low 50°.
0
Old Harbor, Tuesday, 3 November
Mostly clear. High 48°, low 47°.
0Old Harbor, Wednesday, 4 November
Clear. High 52°, low 47°.
0.17
Old Harbor, Thursday, 5 November
Climate normal for this date — 60-year average.
0.14Old Harbor, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Old Harbor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Old Harbor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Old Harbor, Monday, 9 November
Climate normal for this date — 60-year average.
0.2Old Harbor, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Old Harbor, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Old Harbor, Thursday, 12 November
Climate normal for this date — 60-year average.
0.21Old Harbor, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Old Harbor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Old Harbor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Old Harbor, Monday, 16 November
Climate normal for this date — 60-year average.
0.18Old Harbor, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Old Harbor, Wednesday, 18 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 Harbor, 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 Old Harbor, 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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