Weather in Broad Run, MD
Broad Run, Saturday, 8 August, 15:35
Overcast. Feels like 95°. High 86°, low 70°.
Monthly outlook for Broad Run, MD: average high 82.9°, average low 63.7°. That is 0.6° below the climate normal for August. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 10 August (93.7°), the coolest 15 August (54.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 84.8° | 84.8° | +0° |
| 18 August – 27 August | 79.8° | 83.2° | -1.9° |
| 28 August – 6 September | at normal | 82.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Frederick (10 mi).
0
Broad Run, Sunday, 9 August
Mostly clear. High 86°, low 70°.
0.99
Broad Run, Monday, 10 August
Heavy rain. High 94°, low 70°.
0.03Broad Run, Tuesday, 11 August
Light rain. High 90°, low 67°.
0.12Broad Run, Wednesday, 12 August
Light rain. High 83°, low 67°.
0.02Broad Run, Thursday, 13 August
Light rain. High 87°, low 68°.
0.3Broad Run, Friday, 14 August
Rain. High 80°, low 61°.
0
Broad Run, Saturday, 15 August
Clear. High 78°, low 54°.
0Broad Run, Sunday, 16 August
Clear. High 79°, low 55°.
0Broad Run, Monday, 17 August
Mostly clear. High 85°, low 59°.
0.16Broad Run, Tuesday, 18 August
Light rain. High 75°, low 65°.
0Broad Run, Wednesday, 19 August
Overcast. High 86°, low 66°.
0Broad Run, Thursday, 20 August
Overcast. High 82°, low 61°.
0.3Broad Run, Friday, 21 August
Rain. High 74°, low 63°.
0Broad Run, Saturday, 22 August
Clear. High 86°, low 65°.
0Broad Run, Sunday, 23 August
Clear. High 76°, low 58°.
0.06
Broad Run, Monday, 24 August
Climate normal for this date — 60-year average.
0.05Broad Run, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Broad Run, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Broad Run, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13
Broad Run, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Broad Run, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05Broad Run, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Broad Run, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Broad Run, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Broad Run, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Broad Run, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Broad Run, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Broad Run, Saturday, 5 September
Climate normal for this date — 60-year average.
0.25Broad Run, Sunday, 6 September
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 Broad 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 Broad 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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