Weather in Radnor Township, PA
Radnor Township, Sunday, 9 August, 14:25
Clear. Feels like 96°. High 89°, low 71°.
Monthly outlook for Radnor Township, PA: average high 82.4°, average low 66.6°. That is 0.2° above the climate normal for August. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 9 August (89.3°), the coolest 15 August (59.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.4° | 82.7° | -0.7° |
| 19 August – 28 August | 84.1° | 81.3° | +1.5° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bryn Mawr (3 mi).
0
Radnor Township, Monday, 10 August
Light rain. High 89°, low 71°.
0.01Radnor Township, Tuesday, 11 August
Light rain. High 89°, low 70°.
0.02Radnor Township, Wednesday, 12 August
Light rain. High 86°, low 71°.
0.01Radnor Township, Thursday, 13 August
Light rain. High 85°, low 71°.
0
Radnor Township, Friday, 14 August
Overcast. High 73°, low 64°.
0
Radnor Township, Saturday, 15 August
Partly cloudy. High 76°, low 59°.
0Radnor Township, Sunday, 16 August
Overcast. High 77°, low 61°.
0.15Radnor Township, Monday, 17 August
Light rain. High 67°, low 63°.
0Radnor Township, Tuesday, 18 August
Overcast. High 83°, low 61°.
0.06Radnor Township, Wednesday, 19 August
Light rain. High 84°, low 67°.
0Radnor Township, Thursday, 20 August
Overcast. High 84°, low 69°.
0
Radnor Township, Friday, 21 August
Mostly clear. High 82°, low 62°.
0Radnor Township, Saturday, 22 August
Clear. High 88°, low 67°.
0.04Radnor Township, Sunday, 23 August
Light rain. High 86°, low 73°.
0Radnor Township, Monday, 24 August
Clear. High 81°, low 64°.
0.06Radnor Township, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Radnor Township, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Radnor Township, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Radnor Township, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Radnor Township, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Radnor Township, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Radnor Township, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Radnor Township, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Radnor Township, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Radnor Township, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Radnor Township, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Radnor Township, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Radnor Township, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Radnor Township, 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 Radnor Township, 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 Radnor Township, 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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