Weather in Willow Grove, VA
Willow Grove, Sunday, 9 August, 02:16
Overcast. Feels like 72°. High 88°, low 71°.
Monthly outlook for Willow Grove, VA: average high 84.5°, average low 63.6°. That is 0.6° above the climate normal for August. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 10 August (96.4°), the coolest 22 August (54.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.2° | 83.9° | +0.1° |
| 19 August – 28 August | 84.9° | 83° | +1.1° |
| 29 August – 7 September | at normal | 81.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Edinburg (2 mi).
0
Willow Grove, Monday, 10 August
Partly cloudy. High 96°, low 69°.
0.13
Willow Grove, Tuesday, 11 August
Rain. High 87°, low 67°.
0.3Willow Grove, Wednesday, 12 August
Rain. High 93°, low 67°.
0.02Willow Grove, Thursday, 13 August
Light rain. High 84°, low 65°.
0.01Willow Grove, Friday, 14 August
Light rain. High 69°, low 61°.
0Willow Grove, Saturday, 15 August
Overcast. High 82°, low 57°.
0Willow Grove, Sunday, 16 August
Partly cloudy. High 85°, low 56°.
0.16Willow Grove, Monday, 17 August
Light rain. High 79°, low 66°.
0.06Willow Grove, Tuesday, 18 August
Light rain. High 78°, low 67°.
0Willow Grove, Wednesday, 19 August
Overcast. High 88°, low 64°.
0.11Willow Grove, Thursday, 20 August
Light rain. High 78°, low 63°.
0
Willow Grove, Friday, 21 August
Clear. High 80°, low 57°.
0
Willow Grove, Saturday, 22 August
Mostly clear. High 85°, low 55°.
0.11Willow Grove, Sunday, 23 August
Light rain. High 88°, low 65°.
0Willow Grove, Monday, 24 August
Partly cloudy. High 91°, low 68°.
0.07
Willow Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Willow Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Willow Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Willow Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Willow Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Willow Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Willow Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Willow Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Willow Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Willow Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Willow Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.19Willow Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.27Willow Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Willow Grove, 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 Willow Grove, 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 Willow Grove, 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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