Weather in Chatham Run, PA
Chatham Run, Thursday, 5 November, 15:36
Mostly clear. Feels like 72°. High 72°, low 60°.
Monthly outlook for Chatham Run, PA: average high 51°, average low 38°. That is 3.1° above the climate normal for November. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 5 November (72.2°), the coolest 15 November (27.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 5 November – 14 November | 53.8° | 46.7° | +3.9° |
| 15 November – 24 November | 46.5° | 42.6° | +2.2° |
| 25 November – 4 December | at normal | 39.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Cummings (11 mi).
0.01
Chatham Run, Friday, 6 November
Light rain. High 64°, low 51°.
0
Chatham Run, Saturday, 7 November
Overcast. High 52°, low 41°.
0
Chatham Run, Sunday, 8 November
Clear. High 55°, low 46°.
0.01Chatham Run, Monday, 9 November
Light rain. High 51°, low 43°.
0Chatham Run, Tuesday, 10 November
Mostly clear. High 60°, low 36°.
0Chatham Run, Wednesday, 11 November
Overcast. High 55°, low 39°.
0.01Chatham Run, Thursday, 12 November
Light rain. High 45°, low 38°.
0Chatham Run, Friday, 13 November
Overcast. High 44°, low 31°.
0.02
Chatham Run, Saturday, 14 November
Light snow. High 39°, low 31°.
0Chatham Run, Sunday, 15 November
Clear. High 42°, low 28°.
0Chatham Run, Monday, 16 November
Mostly clear. High 45°, low 28°.
0Chatham Run, Tuesday, 17 November
Mostly clear. High 45°, low 28°.
0
Chatham Run, Wednesday, 18 November
Partly cloudy. High 48°, low 31°.
0.04Chatham Run, Thursday, 19 November
Light rain. High 50°, low 40°.
0Chatham Run, Friday, 20 November
Overcast. High 50°, low 37°.
0.09Chatham Run, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Chatham Run, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Chatham Run, Monday, 23 November
Climate normal for this date — 60-year average.
0.1
Chatham Run, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.12Chatham Run, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.21Chatham Run, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Chatham Run, Friday, 27 November
Climate normal for this date — 60-year average.
0.24Chatham Run, Saturday, 28 November
Climate normal for this date — 60-year average.
0.12Chatham Run, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Chatham Run, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Chatham Run, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Chatham Run, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Chatham Run, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Chatham Run, Friday, 4 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 Chatham Run, 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 Chatham Run, 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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