Weather in Hidden Valley, PA
Hidden Valley, Saturday, 8 August, 17:27
Overcast. Feels like 90°. High 86°, low 71°.
Monthly outlook for Hidden Valley, PA: average high 81.7°, average low 67°. That is 0.2° below the climate normal for August. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 9 August (89.3°), the coolest 16 August (59°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 83.9° | 82.9° | +0.6° |
| 18 August – 27 August | 77.9° | 81.3° | -1.9° |
| 28 August – 6 September | at normal | 80.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bryn Mawr (7 mi).
0.02
Hidden Valley, Sunday, 9 August
Light rain. High 89°, low 70°.
0.06Hidden Valley, Monday, 10 August
Light rain. High 88°, low 72°.
0.09Hidden Valley, Tuesday, 11 August
Rain. High 87°, low 72°.
0.6Hidden Valley, Wednesday, 12 August
Heavy rain. High 82°, low 72°.
0Hidden Valley, Thursday, 13 August
Overcast. High 87°, low 69°.
0Hidden Valley, Friday, 14 August
Light rain. High 78°, low 65°.
0
Hidden Valley, Saturday, 15 August
Clear. High 78°, low 59°.
0Hidden Valley, Sunday, 16 August
Clear. High 81°, low 59°.
0Hidden Valley, Monday, 17 August
Overcast. High 83°, low 64°.
0.15Hidden Valley, Tuesday, 18 August
Light rain. High 79°, low 70°.
0.01Hidden Valley, Wednesday, 19 August
Light rain. High 85°, low 69°.
0Hidden Valley, Thursday, 20 August
Overcast. High 71°, low 64°.
0.73Hidden Valley, Friday, 21 August
Rain. High 76°, low 66°.
0.04Hidden Valley, Saturday, 22 August
Light rain. High 84°, low 68°.
0Hidden Valley, Sunday, 23 August
Clear. High 73°, low 60°.
0.06
Hidden Valley, Monday, 24 August
Climate normal for this date — 60-year average.
0.06Hidden Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
Hidden Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Hidden Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Hidden Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Hidden Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Hidden Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Hidden Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Hidden Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Hidden Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Hidden Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Hidden Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Hidden Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Hidden Valley, 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 Hidden Valley, PA 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 Hidden Valley, PA 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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