Weather in Brandywine Summit, PA
Brandywine Summit, Friday, 13 November, 14:22
Partly cloudy. Feels like 34°. High 46°, low 36°.
Monthly outlook for Brandywine Summit, PA: average high 51.6°, average low 39°. That is 0.7° above the climate normal for November. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 November (63.8°), the coolest 26 November (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 54.2° | 50.9° | +1.8° |
| 23 November – 2 December | 47.4° | 48.5° | -0.6° |
| 3 December – 12 December | at normal | 44.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — West Chester (7 mi).
0Brandywine Summit, Saturday, 14 November
Partly cloudy. High 49°, low 32°.
0Brandywine Summit, Sunday, 15 November
Partly cloudy. High 48°, low 37°.
0
Brandywine Summit, Monday, 16 November
Overcast. High 48°, low 35°.
0
Brandywine Summit, Tuesday, 17 November
Clear. High 51°, low 34°.
0Brandywine Summit, Wednesday, 18 November
Clear. High 58°, low 36°.
0Brandywine Summit, Thursday, 19 November
Clear. High 59°, low 41°.
0Brandywine Summit, Friday, 20 November
Overcast. High 61°, low 46°.
0Brandywine Summit, Saturday, 21 November
Clear. High 59°, low 46°.
0Brandywine Summit, Sunday, 22 November
Overcast. High 64°, low 48°.
0.08
Brandywine Summit, Monday, 23 November
Light rain. High 57°, low 55°.
0.43Brandywine Summit, Tuesday, 24 November
Rain. High 58°, low 55°.
0.19Brandywine Summit, Wednesday, 25 November
Rain. High 44°, low 33°.
0Brandywine Summit, Thursday, 26 November
Overcast. High 37°, low 28°.
0Brandywine Summit, Friday, 27 November
Partly cloudy. High 43°, low 30°.
0Brandywine Summit, Saturday, 28 November
Clear. High 46°, low 33°.
0.15
Brandywine Summit, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Brandywine Summit, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Brandywine Summit, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Brandywine Summit, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Brandywine Summit, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Brandywine Summit, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Brandywine Summit, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12Brandywine Summit, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Brandywine Summit, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Brandywine Summit, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Brandywine Summit, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13Brandywine Summit, Thursday, 10 December
Climate normal for this date — 60-year average.
0.19Brandywine Summit, Friday, 11 December
Climate normal for this date — 60-year average.
0.1Brandywine Summit, Saturday, 12 December
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 Brandywine Summit, 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 Brandywine Summit, 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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