Weather in Newtown Square, PA
Newtown Square, Saturday, 8 August, 21:49
Partly cloudy. Feels like 77°. High 86°, low 71°.
Monthly outlook for Newtown Square, PA: average high 81.4°, average low 66.7°. That is 0.4° below the climate normal for August. Precipitation is expected on 6 days (about 1.7 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 11 August (88.4°), the coolest 22 August (59.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 83.7° | 82.9° | +0.5° |
| 18 August – 27 August | 77.4° | 81.3° | -2.1° |
| 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 (5 mi).
0.01
Newtown Square, Sunday, 9 August
Light rain. High 88°, low 72°.
0.03Newtown Square, Monday, 10 August
Light rain. High 88°, low 72°.
0.11Newtown Square, Tuesday, 11 August
Light rain. High 88°, low 72°.
0.01Newtown Square, Wednesday, 12 August
Light rain. High 84°, low 72°.
0
Newtown Square, Thursday, 13 August
Partly cloudy. High 84°, low 70°.
0
Newtown Square, Friday, 14 August
Mostly clear. High 78°, low 63°.
0
Newtown Square, Saturday, 15 August
Clear. High 81°, low 64°.
0
Newtown Square, Sunday, 16 August
Overcast. High 81°, low 62°.
0.15Newtown Square, Monday, 17 August
Rain. High 79°, low 65°.
0.24Newtown Square, Tuesday, 18 August
Light rain. High 69°, low 65°.
0.04Newtown Square, Wednesday, 19 August
Light rain. High 78°, low 66°.
1Newtown Square, Thursday, 20 August
Rain. High 78°, low 68°.
0Newtown Square, Friday, 21 August
Clear. High 79°, low 62°.
0Newtown Square, Saturday, 22 August
Mostly clear. High 78°, low 59°.
0Newtown Square, Sunday, 23 August
Overcast. High 84°, low 64°.
0.06Newtown Square, Monday, 24 August
Climate normal for this date — 60-year average.
0.06Newtown Square, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Newtown Square, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Newtown Square, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Newtown Square, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Newtown Square, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Newtown Square, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Newtown Square, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Newtown Square, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Newtown Square, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Newtown Square, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Newtown Square, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Newtown Square, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Newtown Square, 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 Newtown Square, 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 Newtown Square, 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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