Weather in West Caln, PA
West Caln, Sunday, 9 August, 07:23
Overcast. Feels like 73°. High 82°, low 70°.
Monthly outlook for West Caln, PA: average high 81.1°, average low 62.7°. That is 0.3° below the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 23 August (89.3°), the coolest 16 August (51.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.1° | 82.3° | -2.4° |
| 19 August – 28 August | 86.3° | 81.1° | +2.9° |
| 29 August – 7 September | at normal | 79.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lincoln University (15 mi).
0
West Caln, Monday, 10 August
Partly cloudy. High 84°, low 68°.
0.12
West Caln, Tuesday, 11 August
Rain. High 83°, low 66°.
0.02West Caln, Wednesday, 12 August
Light rain. High 81°, low 66°.
0.03West Caln, Thursday, 13 August
Light rain. High 78°, low 61°.
0West Caln, Friday, 14 August
Overcast. High 73°, low 55°.
0
West Caln, Saturday, 15 August
Clear. High 73°, low 53°.
0West Caln, Sunday, 16 August
Overcast. High 74°, low 52°.
0West Caln, Monday, 17 August
Overcast. High 74°, low 55°.
0
West Caln, Tuesday, 18 August
Mostly clear. High 81°, low 59°.
0West Caln, Wednesday, 19 August
Clear. High 83°, low 62°.
0West Caln, Thursday, 20 August
Partly cloudy. High 84°, low 62°.
0.2West Caln, Friday, 21 August
Rain. High 88°, low 66°.
0.05West Caln, Saturday, 22 August
Light rain. High 88°, low 70°.
0West Caln, Sunday, 23 August
Clear. High 89°, low 67°.
0.07West Caln, Monday, 24 August
Light rain. High 85°, low 70°.
0.06West Caln, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07West Caln, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
West Caln, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19West Caln, Friday, 28 August
Climate normal for this date — 60-year average.
0.1West Caln, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07West Caln, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08West Caln, Monday, 31 August
Climate normal for this date — 60-year average.
0.14West Caln, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1West Caln, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11West Caln, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09West Caln, Friday, 4 September
Climate normal for this date — 60-year average.
0.11West Caln, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23West Caln, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09West Caln, Monday, 7 September
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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