Weather in Dulles Town Center, VA
Dulles Town Center, Sunday, 9 August, 16:17
Clear. Feels like 97°. High 92°, low 72°.
Monthly outlook for Dulles Town Center, VA: average high 90.2°, average low 69.8°. That is 3.2° above the climate normal for August. Precipitation is expected on 7 days (about 1.5 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 16 August (104°), the coolest 15 August (63.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.5° | 85.2° | +2.4° |
| 19 August – 28 August | 91.3° | 83.9° | +4.2° |
| 29 August – 7 September | at normal | 82.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sterling (2 mi).
0.03
Dulles Town Center, Monday, 10 August
Light rain. High 93°, low 73°.
0.27Dulles Town Center, Tuesday, 11 August
Rain. High 93°, low 69°.
0.06Dulles Town Center, Wednesday, 12 August
Light rain. High 91°, low 72°.
0
Dulles Town Center, Thursday, 13 August
Mostly clear. High 91°, low 69°.
0.02Dulles Town Center, Friday, 14 August
Light rain. High 71°, low 66°.
0
Dulles Town Center, Saturday, 15 August
Overcast. High 80°, low 63°.
0.14Dulles Town Center, Sunday, 16 August
Light rain. High 104°, low 70°.
0Dulles Town Center, Monday, 17 August
Mostly clear. High 87°, low 71°.
0.03Dulles Town Center, Tuesday, 18 August
Light rain. High 93°, low 67°.
0.14Dulles Town Center, Wednesday, 19 August
Light rain. High 97°, low 71°.
0Dulles Town Center, Thursday, 20 August
Mostly clear. High 93°, low 68°.
0.19Dulles Town Center, Friday, 21 August
Light rain. High 93°, low 71°.
0.31Dulles Town Center, Saturday, 22 August
Rain. High 86°, low 72°.
0.3Dulles Town Center, Sunday, 23 August
Light rain. High 85°, low 72°.
0.03Dulles Town Center, Monday, 24 August
Light rain. High 94°, low 71°.
0.07
Dulles Town Center, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Dulles Town Center, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14
Dulles Town Center, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Dulles Town Center, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Dulles Town Center, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Dulles Town Center, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Dulles Town Center, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Dulles Town Center, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Dulles Town Center, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Dulles Town Center, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Dulles Town Center, Friday, 4 September
Climate normal for this date — 60-year average.
0.15Dulles Town Center, Saturday, 5 September
Climate normal for this date — 60-year average.
0.27Dulles Town Center, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Dulles Town Center, 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 Dulles Town Center, 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 Dulles Town Center, 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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