Weather in Glen Riddle, PA
Glen Riddle, Sunday, 9 August, 03:18
Clear. Feels like 74°. High 86°, low 72°.
Monthly outlook for Glen Riddle, PA: average high 86.6°, average low 69°. That is 2° above the climate normal for August. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 23 August (95.2°), the coolest 16 August (59.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.2° | 83.7° | -0.3° |
| 19 August – 28 August | 92.1° | 82.4° | +5.4° |
| 29 August – 7 September | at normal | 81.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Ridley (6 mi).
0
Glen Riddle, Monday, 10 August
Mostly clear. High 88°, low 72°.
0.08
Glen Riddle, Tuesday, 11 August
Rain. High 88°, low 71°.
0.02Glen Riddle, Wednesday, 12 August
Light rain. High 85°, low 73°.
0.02Glen Riddle, Thursday, 13 August
Light rain. High 84°, low 71°.
0
Glen Riddle, Friday, 14 August
Overcast. High 77°, low 63°.
0
Glen Riddle, Saturday, 15 August
Clear. High 78°, low 61°.
0Glen Riddle, Sunday, 16 August
Overcast. High 80°, low 60°.
0Glen Riddle, Monday, 17 August
Overcast. High 79°, low 64°.
0.02Glen Riddle, Tuesday, 18 August
Light rain. High 87°, low 65°.
0Glen Riddle, Wednesday, 19 August
Clear. High 89°, low 68°.
0
Glen Riddle, Thursday, 20 August
Partly cloudy. High 91°, low 69°.
0.17Glen Riddle, Friday, 21 August
Rain. High 95°, low 71°.
0.09Glen Riddle, Saturday, 22 August
Light rain. High 92°, low 73°.
0Glen Riddle, Sunday, 23 August
Clear. High 95°, low 73°.
0Glen Riddle, Monday, 24 August
Overcast. High 91°, low 77°.
0.06Glen Riddle, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Glen Riddle, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18Glen Riddle, Thursday, 27 August
Climate normal for this date — 60-year average.
0.25
Glen Riddle, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Glen Riddle, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Glen Riddle, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Glen Riddle, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Glen Riddle, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Glen Riddle, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Glen Riddle, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Glen Riddle, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Glen Riddle, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Glen Riddle, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Glen Riddle, 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 Glen Riddle, 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 Glen Riddle, 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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