Weather in Rock Run, MD
Rock Run, Sunday, 11 October, 21:17
Overcast. Feels like 62°. High 63°, low 60°.
Monthly outlook for Rock Run, MD: average high 67.9°, average low 50.7°. That is 2.3° above the climate normal for October. Precipitation is expected on 4 days (about 3.6 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 14 October (81.7°), the coolest 18 October (32°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 68.1° | 64.8° | +1.8° |
| 21 October – 30 October | 67.5° | 61.3° | +3.5° |
| 31 October – 9 November | at normal | 58.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Aberdeen Proving Ground (10 mi).
0.78
Rock Run, Monday, 12 October
Heavy rain. High 75°, low 56°.
0
Rock Run, Tuesday, 13 October
Clear. High 79°, low 56°.
0
Rock Run, Wednesday, 14 October
Mostly clear. High 82°, low 67°.
0.01Rock Run, Thursday, 15 October
Light rain. High 69°, low 59°.
0.27Rock Run, Friday, 16 October
Rain. High 76°, low 58°.
0Rock Run, Saturday, 17 October
Clear. High 55°, low 37°.
0Rock Run, Sunday, 18 October
Clear. High 52°, low 32°.
0Rock Run, Monday, 19 October
Clear. High 62°, low 40°.
0Rock Run, Tuesday, 20 October
Overcast. High 69°, low 47°.
0Rock Run, Wednesday, 21 October
Overcast. High 68°, low 50°.
0Rock Run, Thursday, 22 October
Clear. High 69°, low 49°.
1.33Rock Run, Friday, 23 October
Heavy rain. High 61°, low 49°.
0
Rock Run, Saturday, 24 October
Partly cloudy. High 71°, low 46°.
0Rock Run, Sunday, 25 October
Overcast. High 75°, low 59°.
0Rock Run, Monday, 26 October
Mostly clear. High 62°, low 47°.
0.2Rock Run, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Rock Run, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.25Rock Run, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Rock Run, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Rock Run, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Rock Run, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Rock Run, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Rock Run, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Rock Run, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Rock Run, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Rock Run, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Rock Run, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Rock Run, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Rock Run, Monday, 9 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 Rock Run, 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 Rock Run, 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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