Weather in Tredyffrin, PA
Tredyffrin, Friday, 13 November, 06:43
Drizzle. Feels like 33°. High 47°, low 40°.
Monthly outlook for Tredyffrin, PA: average high 52.9°, average low 38.6°. That is 0.7° above the climate normal for November. Precipitation is expected on 3 days (about 3.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 24 November (66.4°), the coolest 27 November (24°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 54.6° | 52.1° | +1.4° |
| 23 November – 2 December | 50.2° | 49.8° | +0.2° |
| 3 December – 12 December | at normal | 45.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Bridgeport (6 mi).
0
Tredyffrin, Saturday, 14 November
Overcast. High 50°, low 38°.
0Tredyffrin, Sunday, 15 November
Overcast. High 48°, low 38°.
0
Tredyffrin, Monday, 16 November
Partly cloudy. High 50°, low 36°.
0
Tredyffrin, Tuesday, 17 November
Clear. High 53°, low 34°.
0Tredyffrin, Wednesday, 18 November
Clear. High 58°, low 37°.
0Tredyffrin, Thursday, 19 November
Clear. High 59°, low 42°.
0Tredyffrin, Friday, 20 November
Overcast. High 61°, low 47°.
0
Tredyffrin, Saturday, 21 November
Mostly clear. High 57°, low 44°.
0Tredyffrin, Sunday, 22 November
Partly cloudy. High 62°, low 46°.
0Tredyffrin, Monday, 23 November
Clear. High 63°, low 49°.
0.01
Tredyffrin, Tuesday, 24 November
Light rain. High 66°, low 52°.
2.02Tredyffrin, Wednesday, 25 November
Heavy rain. High 65°, low 40°.
1.29
Tredyffrin, Thursday, 26 November
Snow. High 35°, low 26°.
0Tredyffrin, Friday, 27 November
Clear. High 34°, low 24°.
0Tredyffrin, Saturday, 28 November
Clear. High 38°, low 25°.
0.13Tredyffrin, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Tredyffrin, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Tredyffrin, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Tredyffrin, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Tredyffrin, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Tredyffrin, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Tredyffrin, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13Tredyffrin, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Tredyffrin, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Tredyffrin, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Tredyffrin, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Tredyffrin, Thursday, 10 December
Climate normal for this date — 60-year average.
0.19Tredyffrin, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Tredyffrin, 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 Tredyffrin, 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 Tredyffrin, 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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