Weather in Upper Uwchlan, PA
Upper Uwchlan, Saturday, 17 October, 17:31
Clear. Feels like 48°. High 59°, low 39°.
Monthly outlook for Upper Uwchlan, PA: average high 60.5°, average low 41.2°. That is 0.2° below the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 1 November (67.8°), the coolest 29 October (32.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.3° | 61.6° | -0.2° |
| 27 October – 5 November | 59.1° | 59° | +0.1° |
| 6 November – 15 November | at normal | 54.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Coatesville (9 mi).
0Upper Uwchlan, Sunday, 18 October
Clear. High 55°, low 35°.
0Upper Uwchlan, Monday, 19 October
Clear. High 66°, low 37°.
0Upper Uwchlan, Tuesday, 20 October
Clear. High 65°, low 47°.
0Upper Uwchlan, Wednesday, 21 October
Clear. High 59°, low 43°.
0Upper Uwchlan, Thursday, 22 October
Clear. High 62°, low 40°.
0
Upper Uwchlan, Friday, 23 October
Overcast. High 60°, low 42°.
0Upper Uwchlan, Saturday, 24 October
Clear. High 60°, low 41°.
0
Upper Uwchlan, Sunday, 25 October
Mostly clear. High 61°, low 43°.
0
Upper Uwchlan, Monday, 26 October
Partly cloudy. High 67°, low 45°.
0.06
Upper Uwchlan, Tuesday, 27 October
Light rain. High 57°, low 43°.
0Upper Uwchlan, Wednesday, 28 October
Clear. High 49°, low 36°.
0Upper Uwchlan, Thursday, 29 October
Clear. High 54°, low 32°.
0Upper Uwchlan, Friday, 30 October
Overcast. High 60°, low 38°.
0Upper Uwchlan, Saturday, 31 October
Overcast. High 66°, low 47°.
0Upper Uwchlan, Sunday, 1 November
Clear. High 68°, low 52°.
0.1Upper Uwchlan, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Upper Uwchlan, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Upper Uwchlan, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Upper Uwchlan, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Upper Uwchlan, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Upper Uwchlan, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Upper Uwchlan, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Upper Uwchlan, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Upper Uwchlan, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Upper Uwchlan, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.18Upper Uwchlan, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Upper Uwchlan, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Upper Uwchlan, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Upper Uwchlan, Sunday, 15 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 Upper Uwchlan, 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 Upper Uwchlan, 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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