Weather in Black Rock, MA
Black Rock, Monday, 19 October, 19:14
Clear. Feels like 46°. High 61°, low 34°.
Monthly outlook for Black Rock, MA: average high 56.5°, average low 43°. That is 0.4° below the climate normal for October. Precipitation is expected on 3 days (about 5.2 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 26 October (64.1°), the coolest 19 October (33.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 57.4° | 58.1° | -0.4° |
| 29 October – 7 November | 55° | 55° | -0° |
| 8 November – 17 November | at normal | 50.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Quincy (10 mi).
0
Black Rock, Tuesday, 20 October
Clear. High 63°, low 38°.
0
Black Rock, Wednesday, 21 October
Overcast. High 52°, low 39°.
0Black Rock, Thursday, 22 October
Clear. High 59°, low 47°.
0Black Rock, Friday, 23 October
Overcast. High 49°, low 43°.
0Black Rock, Saturday, 24 October
Clear. High 54°, low 40°.
0Black Rock, Sunday, 25 October
Clear. High 62°, low 43°.
0Black Rock, Monday, 26 October
Clear. High 64°, low 47°.
0Black Rock, Tuesday, 27 October
Clear. High 60°, low 52°.
1
Black Rock, Wednesday, 28 October
Rain. High 49°, low 42°.
0.17Black Rock, Thursday, 29 October
Light rain. High 46°, low 39°.
0Black Rock, Friday, 30 October
Clear. High 52°, low 40°.
0Black Rock, Saturday, 31 October
Overcast. High 57°, low 41°.
0Black Rock, Sunday, 1 November
Overcast. High 61°, low 48°.
0Black Rock, Monday, 2 November
Overcast. High 63°, low 48°.
4.07Black Rock, Tuesday, 3 November
Heavy rain. High 52°, low 48°.
0.05
Black Rock, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15
Black 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.
0.13Black Rock, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Black Rock, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Black Rock, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Black Rock, 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 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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