Weather in Potomac Mills, VA
Potomac Mills, Sunday, 9 August, 03:29
Overcast. Feels like 76°. High 91°, low 74°.
Monthly outlook for Potomac Mills, VA: average high 90.4°, average low 68.2°. That is 3° above the climate normal for August. Precipitation is expected on 6 days (about 1.3 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 24 August (103.2°), the coolest 16 August (58.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.3° | 85.7° | +0.3° |
| 19 August – 28 August | 97.2° | 84.4° | +7.1° |
| 29 August – 7 September | at normal | 83.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Quantico (9 mi).
0
Potomac Mills, Monday, 10 August
Mostly clear. High 94°, low 72°.
0.07
Potomac Mills, Tuesday, 11 August
Light rain. High 94°, low 69°.
0.48Potomac Mills, Wednesday, 12 August
Heavy rain. High 90°, low 68°.
0.07Potomac Mills, Thursday, 13 August
Light rain. High 87°, low 70°.
0Potomac Mills, Friday, 14 August
Overcast. High 82°, low 64°.
0Potomac Mills, Saturday, 15 August
Overcast. High 81°, low 60°.
0Potomac Mills, Sunday, 16 August
Overcast. High 80°, low 59°.
0.05Potomac Mills, Monday, 17 August
Light rain. High 78°, low 66°.
0
Potomac Mills, Tuesday, 18 August
Partly cloudy. High 86°, low 65°.
0
Potomac Mills, Wednesday, 19 August
Clear. High 89°, low 66°.
0Potomac Mills, Thursday, 20 August
Partly cloudy. High 93°, low 66°.
0.38Potomac Mills, Friday, 21 August
Rain. High 101°, low 69°.
0.02Potomac Mills, Saturday, 22 August
Light rain. High 98°, low 74°.
0.04Potomac Mills, Sunday, 23 August
Light rain. High 100°, low 75°.
0.17Potomac Mills, Monday, 24 August
Rain. High 103°, low 72°.
0.07Potomac Mills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Potomac Mills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Potomac Mills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17
Potomac Mills, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Potomac Mills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Potomac Mills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Potomac Mills, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Potomac Mills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Potomac Mills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Potomac Mills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Potomac Mills, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Potomac Mills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Potomac Mills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Potomac Mills, Monday, 7 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 Potomac Mills, VA 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 Potomac Mills, VA 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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