Weather in Tredyffrin, PA
Tredyffrin, Saturday, 31 October, 11:06
Clear. Feels like 52°. High 59°, low 42°.
Monthly outlook for Tredyffrin, PA: average high 61.7°, average low 48.6°. That is 2.7° above the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 6 November (72.1°), the coolest 1 November (35.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 65.7° | 58.5° | +4° |
| 10 November – 19 November | 54.9° | 53.3° | +0.9° |
| 20 November – 29 November | at normal | 50.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bridgeport (6 mi).
0
Tredyffrin, Sunday, 1 November
Overcast. High 63°, low 35°.
0Tredyffrin, Monday, 2 November
Overcast. High 66°, low 45°.
0Tredyffrin, Tuesday, 3 November
Overcast. High 69°, low 46°.
0Tredyffrin, Wednesday, 4 November
Clear. High 71°, low 51°.
0.23
Tredyffrin, Thursday, 5 November
Rain. High 69°, low 56°.
0.01Tredyffrin, Friday, 6 November
Light rain. High 72°, low 59°.
0.52Tredyffrin, Saturday, 7 November
Rain. High 62°, low 54°.
0.13Tredyffrin, Sunday, 8 November
Light rain. High 67°, low 52°.
0.06Tredyffrin, Monday, 9 November
Light rain. High 59°, low 55°.
0Tredyffrin, Tuesday, 10 November
Light rain. High 58°, low 52°.
0Tredyffrin, Wednesday, 11 November
Overcast. High 57°, low 52°.
0Tredyffrin, Thursday, 12 November
Overcast. High 59°, low 50°.
0.04Tredyffrin, Friday, 13 November
Light rain. High 54°, low 46°.
0.01Tredyffrin, Saturday, 14 November
Light rain. High 51°, low 40°.
0.02Tredyffrin, Sunday, 15 November
Light rain. High 50°, low 46°.
0.13
Tredyffrin, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Tredyffrin, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Tredyffrin, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Tredyffrin, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Tredyffrin, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Tredyffrin, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11
Tredyffrin, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Tredyffrin, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Tredyffrin, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Tredyffrin, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.16Tredyffrin, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Tredyffrin, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Tredyffrin, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Tredyffrin, Sunday, 29 November
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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