Weather in West Caln, PA
West Caln, Thursday, 12 November, 13:52
Thunderstorm. Feels like 55°. High 55°, low 45°.
Monthly outlook for West Caln, PA: average high 52.7°, average low 37.1°. That is 1° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 24 November (64.9°), the coolest 14 November (30°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 50.7° | 51.5° | -0.5° |
| 22 November – 1 December | 56.1° | 49.1° | +3.9° |
| 2 December – 11 December | at normal | 44.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Coatesville (4 mi).
0.19
West Caln, Friday, 13 November
Light rain. High 45°, low 36°.
0
West Caln, Saturday, 14 November
Partly cloudy. High 43°, low 30°.
0West Caln, Sunday, 15 November
Partly cloudy. High 46°, low 36°.
0
West Caln, Monday, 16 November
Clear. High 46°, low 31°.
0
West Caln, Tuesday, 17 November
Mostly clear. High 49°, low 31°.
0West Caln, Wednesday, 18 November
Clear. High 52°, low 33°.
0West Caln, Thursday, 19 November
Clear. High 55°, low 35°.
0West Caln, Friday, 20 November
Clear. High 58°, low 38°.
0West Caln, Saturday, 21 November
Partly cloudy. High 57°, low 41°.
0
West Caln, Sunday, 22 November
Overcast. High 54°, low 37°.
0West Caln, Monday, 23 November
Overcast. High 62°, low 46°.
0West Caln, Tuesday, 24 November
Clear. High 65°, low 49°.
0.24West Caln, Wednesday, 25 November
Rain. High 59°, low 40°.
0West Caln, Thursday, 26 November
Clear. High 45°, low 33°.
0West Caln, Friday, 27 November
Overcast. High 51°, low 34°.
0.17West Caln, Saturday, 28 November
Climate normal for this date — 60-year average.
0.15
West Caln, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11West Caln, Monday, 30 November
Climate normal for this date — 60-year average.
0.12West Caln, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11West Caln, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11West Caln, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11West Caln, Friday, 4 December
Climate normal for this date — 60-year average.
0.16West Caln, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12West Caln, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11West Caln, Monday, 7 December
Climate normal for this date — 60-year average.
0.11West Caln, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.21West Caln, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13West Caln, Thursday, 10 December
Climate normal for this date — 60-year average.
0.2West Caln, Friday, 11 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 West Caln, 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 West Caln, 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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