Weather in Black Rock, MA
Black Rock, Thursday, 15 October, 05:30
Mostly clear. Feels like 54°. High 60°, low 50°.
Monthly outlook for Black Rock, MA: average high 55°, average low 45.4°. That is 1.8° below the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 16 October (67.3°), the coolest 29 October (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 56.3° | 59.4° | -1.8° |
| 25 October – 3 November | 52.8° | 56.1° | -1.8° |
| 4 November – 13 November | at normal | 52.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Quincy (10 mi).
0.26
Black Rock, Friday, 16 October
Rain. High 67°, low 48°.
0.01Black Rock, Saturday, 17 October
Light rain. High 64°, low 45°.
0
Black Rock, Sunday, 18 October
Clear. High 47°, low 41°.
0
Black Rock, Monday, 19 October
Mostly clear. High 52°, low 46°.
0
Black Rock, Tuesday, 20 October
Overcast. High 54°, low 50°.
0Black Rock, Wednesday, 21 October
Clear. High 55°, low 51°.
0Black Rock, Thursday, 22 October
Clear. High 50°, low 44°.
0Black Rock, Friday, 23 October
Clear. High 62°, low 44°.
0Black Rock, Saturday, 24 October
Mostly clear. High 49°, low 46°.
0Black Rock, Sunday, 25 October
Overcast. High 47°, low 44°.
0Black Rock, Monday, 26 October
Overcast. High 56°, low 43°.
0Black Rock, Tuesday, 27 October
Overcast. High 56°, low 46°.
0Black Rock, Wednesday, 28 October
Clear. High 53°, low 43°.
0Black Rock, Thursday, 29 October
Overcast. High 53°, low 40°.
0.14Black Rock, Friday, 30 October
Light rain. High 52°, low 44°.
0.09
Black Rock, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Black Rock, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Black Rock, Monday, 2 November
Climate normal for this date — 60-year average.
0.2
Black Rock, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Black Rock, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Black Rock, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Black Rock, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Black Rock, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Black Rock, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Black Rock, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Black Rock, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Black Rock, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Black Rock, Thursday, 12 November
Climate normal for this date — 60-year average.
0.18Black Rock, Friday, 13 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 Black Rock, 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 Black Rock, 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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