Weather in Mount Chestnut, PA
Mount Chestnut, Sunday, 18 October, 06:30
Clear. Feels like 25°. High 60°, low 29°.
Monthly outlook for Mount Chestnut, PA: average high 61.4°, average low 43.5°. That is 3° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 1 November (70.5°), the coolest 18 October (28.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 59.3° | 56.7° | +1.5° |
| 28 October – 6 November | 64.9° | 53.9° | +6.1° |
| 7 November – 16 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Concord (11 mi).
0
Mount Chestnut, Monday, 19 October
Clear. High 63°, low 38°.
0
Mount Chestnut, Tuesday, 20 October
Partly cloudy. High 64°, low 43°.
0Mount Chestnut, Wednesday, 21 October
Clear. High 61°, low 37°.
0
Mount Chestnut, Thursday, 22 October
Overcast. High 61°, low 40°.
0Mount Chestnut, Friday, 23 October
Clear. High 54°, low 38°.
0Mount Chestnut, Saturday, 24 October
Overcast. High 61°, low 39°.
0Mount Chestnut, Sunday, 25 October
Overcast. High 65°, low 45°.
0Mount Chestnut, Monday, 26 October
Clear. High 52°, low 36°.
0Mount Chestnut, Tuesday, 27 October
Overcast. High 53°, low 36°.
0Mount Chestnut, Wednesday, 28 October
Overcast. High 60°, low 46°.
0.32
Mount Chestnut, Thursday, 29 October
Rain. High 58°, low 51°.
0.13Mount Chestnut, Friday, 30 October
Light rain. High 64°, low 54°.
0.22Mount Chestnut, Saturday, 31 October
Rain. High 69°, low 54°.
0.17Mount Chestnut, Sunday, 1 November
Light rain. High 71°, low 61°.
0Mount Chestnut, Monday, 2 November
Partly cloudy. High 68°, low 50°.
0.07Mount Chestnut, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Mount Chestnut, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11
Mount Chestnut, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Mount Chestnut, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Mount Chestnut, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Mount Chestnut, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Mount Chestnut, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Mount Chestnut, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Mount Chestnut, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Mount Chestnut, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Mount Chestnut, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Mount Chestnut, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Mount Chestnut, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Mount Chestnut, Monday, 16 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 Mount Chestnut, 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 Mount Chestnut, 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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