Weather in Old Harbor, MA
Old Harbor, Monday, 19 October, 04:29
Clear. Feels like 39°. High 58°, low 39°.
Monthly outlook for Old Harbor, MA: average high 53.7°, average low 47.9°. That is 1.3° below the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 28 October (61.1°), the coolest 19 October (39.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 56.1° | 56.8° | -0.3° |
| 29 October – 7 November | 49.5° | 54.3° | -2.7° |
| 8 November – 17 November | at normal | 51.3° | — |
October records over 66 years
0
Old Harbor, Tuesday, 20 October
Overcast. High 58°, low 50°.
0Old Harbor, Wednesday, 21 October
Overcast. High 54°, low 52°.
0
Old Harbor, Thursday, 22 October
Clear. High 55°, low 51°.
0
Old Harbor, Friday, 23 October
Partly cloudy. High 51°, low 46°.
0Old Harbor, Saturday, 24 October
Overcast. High 50°, low 46°.
0Old Harbor, Sunday, 25 October
Clear. High 56°, low 49°.
0Old Harbor, Monday, 26 October
Overcast. High 58°, low 54°.
0Old Harbor, Tuesday, 27 October
Partly cloudy. High 60°, low 55°.
0Old Harbor, Wednesday, 28 October
Overcast. High 61°, low 49°.
0.02
Old Harbor, Thursday, 29 October
Light rain. High 47°, low 42°.
0.01Old Harbor, Friday, 30 October
Light rain. High 47°, low 42°.
0Old Harbor, Saturday, 31 October
Overcast. High 47°, low 46°.
0Old Harbor, Sunday, 1 November
Clear. High 50°, low 47°.
0Old Harbor, Monday, 2 November
Clear. High 53°, low 48°.
0Old Harbor, Tuesday, 3 November
Clear. High 53°, low 50°.
0.05
Old Harbor, Wednesday, 4 November
Climate normal for this date — 60-year average.
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.
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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