Weather in Bryn Mawr, PA
Bryn Mawr, Sunday, 9 August, 04:54
Mostly clear. Feels like 73°. High 86°, low 72°.
Monthly outlook for Bryn Mawr, PA: average high 87°, average low 69.5°. That is 2.8° above the climate normal for August. Precipitation is expected on 4 days (about 0.3 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 23 August (95.2°), the coolest 16 August (60.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.7° | 82.7° | +0.6° |
| 19 August – 28 August | 92.4° | 81.3° | +6.1° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
0
Bryn Mawr, Monday, 10 August
Mostly clear. High 88°, low 72°.
0.07
Bryn Mawr, Tuesday, 11 August
Rain. High 89°, low 72°.
0.03Bryn Mawr, Wednesday, 12 August
Light rain. High 84°, low 73°.
0.04Bryn Mawr, Thursday, 13 August
Light rain. High 84°, low 70°.
0
Bryn Mawr, Friday, 14 August
Overcast. High 78°, low 63°.
0
Bryn Mawr, Saturday, 15 August
Clear. High 78°, low 61°.
0Bryn Mawr, Sunday, 16 August
Overcast. High 80°, low 60°.
0
Bryn Mawr, Monday, 17 August
Partly cloudy. High 83°, low 66°.
0.01Bryn Mawr, Tuesday, 18 August
Light rain. High 87°, low 66°.
0Bryn Mawr, Wednesday, 19 August
Clear. High 90°, low 69°.
0Bryn Mawr, Thursday, 20 August
Partly cloudy. High 91°, low 71°.
0.1Bryn Mawr, Friday, 21 August
Light rain. High 95°, low 73°.
0.08Bryn Mawr, Saturday, 22 August
Light rain. High 93°, low 74°.
0Bryn Mawr, Sunday, 23 August
Clear. High 95°, low 73°.
0Bryn Mawr, Monday, 24 August
Overcast. High 90°, low 78°.
0.06Bryn Mawr, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Bryn Mawr, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Bryn Mawr, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Bryn Mawr, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Bryn Mawr, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Bryn Mawr, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Bryn Mawr, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Bryn Mawr, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Bryn Mawr, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Bryn Mawr, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Bryn Mawr, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Bryn Mawr, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Bryn Mawr, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Bryn Mawr, 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 Bryn Mawr, 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 Bryn Mawr, 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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