Weather in Blackrock Mill, MD
Blackrock Mill, Monday, 9 November, 14:40
Overcast. Feels like 60°. High 62°, low 47°.
Monthly outlook for Blackrock Mill, MD: average high 55.1°, average low 40.9°. That is 1.3° above the climate normal for November. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 November (69.2°), the coolest 14 November (34.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 56° | 53.9° | +1.2° |
| 19 November – 28 November | 53.6° | 51.1° | +1.4° |
| 29 November – 8 December | at normal | 46.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Germantown (4 mi).
0
Blackrock Mill, Tuesday, 10 November
Clear. High 69°, low 44°.
0Blackrock Mill, Wednesday, 11 November
Clear. High 65°, low 42°.
0.37
Blackrock Mill, Thursday, 12 November
Rain. High 59°, low 48°.
0.35Blackrock Mill, Friday, 13 November
Rain. High 49°, low 37°.
0
Blackrock Mill, Saturday, 14 November
Partly cloudy. High 45°, low 34°.
0Blackrock Mill, Sunday, 15 November
Overcast. High 50°, low 40°.
0Blackrock Mill, Monday, 16 November
Overcast. High 55°, low 40°.
0Blackrock Mill, Tuesday, 17 November
Clear. High 53°, low 36°.
0Blackrock Mill, Wednesday, 18 November
Clear. High 52°, low 34°.
0Blackrock Mill, Thursday, 19 November
Partly cloudy. High 54°, low 35°.
0Blackrock Mill, Friday, 20 November
Overcast. High 57°, low 39°.
0.03Blackrock Mill, Saturday, 21 November
Light rain. High 55°, low 46°.
0.74Blackrock Mill, Sunday, 22 November
Rain. High 55°, low 51°.
0.01Blackrock Mill, Monday, 23 November
Light rain. High 54°, low 42°.
0.05Blackrock Mill, Tuesday, 24 November
Light rain. High 46°, low 37°.
0.09Blackrock Mill, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13
Blackrock Mill, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Blackrock Mill, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Blackrock Mill, Saturday, 28 November
Climate normal for this date — 60-year average.
0.14Blackrock Mill, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Blackrock Mill, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Blackrock Mill, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.1Blackrock Mill, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.1Blackrock Mill, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Blackrock Mill, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Blackrock Mill, Saturday, 5 December
Climate normal for this date — 60-year average.
0.1Blackrock Mill, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Blackrock Mill, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Blackrock Mill, Tuesday, 8 December
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 Blackrock Mill, MD 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 Blackrock Mill, MD 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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