Weather in Potomac Falls, VA
Potomac Falls, Saturday, 8 August, 23:33
Overcast. Feels like 77°. High 88°, low 72°.
Monthly outlook for Potomac Falls, VA: average high 83.7°, average low 66.7°. That is 0.6° below the climate normal for August. Precipitation is expected on 9 days (about 1.0 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 10 August (93.3°), the coolest 22 August (57.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.2° | 85.4° | -0.2° |
| 18 August – 27 August | 81.2° | 83.8° | -1.5° |
| 28 August – 6 September | at normal | 83.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sugarland Run (2 mi).
0
Potomac Falls, Sunday, 9 August
Mostly clear. High 89°, low 73°.
0.12
Potomac Falls, Monday, 10 August
Rain. High 93°, low 73°.
0.21Potomac Falls, Tuesday, 11 August
Rain. High 90°, low 69°.
0.11Potomac Falls, Wednesday, 12 August
Light rain. High 92°, low 71°.
0.08Potomac Falls, Thursday, 13 August
Light rain. High 84°, low 70°.
0Potomac Falls, Friday, 14 August
Overcast. High 72°, low 61°.
0
Potomac Falls, Saturday, 15 August
Clear. High 83°, low 59°.
0Potomac Falls, Sunday, 16 August
Mostly clear. High 85°, low 61°.
0.04Potomac Falls, Monday, 17 August
Light rain. High 76°, low 68°.
0.08Potomac Falls, Tuesday, 18 August
Light rain. High 75°, low 67°.
0.01Potomac Falls, Wednesday, 19 August
Light rain. High 84°, low 68°.
0.22Potomac Falls, Thursday, 20 August
Light rain. High 81°, low 69°.
0Potomac Falls, Friday, 21 August
Clear. High 82°, low 61°.
0Potomac Falls, Saturday, 22 August
Mostly clear. High 83°, low 57°.
0.12Potomac Falls, Sunday, 23 August
Light rain. High 81°, low 69°.
0.09
Potomac Falls, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Potomac Falls, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Potomac Falls, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14
Potomac Falls, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Potomac Falls, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Potomac Falls, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Potomac Falls, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Potomac Falls, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Potomac Falls, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Potomac Falls, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Potomac Falls, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Potomac Falls, Friday, 4 September
Climate normal for this date — 60-year average.
0.15Potomac Falls, Saturday, 5 September
Climate normal for this date — 60-year average.
0.27Potomac Falls, 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 Potomac Falls, 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 Falls, 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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