Weather in Chatham Run, PA
Chatham Run, Sunday, 15 November, 06:38
Overcast. Feels like 35°. High 46°, low 39°.
Monthly outlook for Chatham Run, PA: average high 53.1°, average low 34.9°. That is 6.3° above the climate normal for November. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 21 November (58.6°), the coolest 24 November (25.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 52.5° | 42.6° | +5.5° |
| 25 November – 4 December | 54.1° | 39.4° | +8.2° |
| 5 December – 14 December | at normal | 35.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Cummings (11 mi).
0Chatham Run, Monday, 16 November
Overcast. High 49°, low 36°.
0
Chatham Run, Tuesday, 17 November
Clear. High 55°, low 31°.
0
Chatham Run, Wednesday, 18 November
Mostly clear. High 58°, low 33°.
0Chatham Run, Thursday, 19 November
Overcast. High 59°, low 30°.
0
Chatham Run, Friday, 20 November
Partly cloudy. High 58°, low 40°.
0Chatham Run, Saturday, 21 November
Overcast. High 59°, low 43°.
0Chatham Run, Sunday, 22 November
Overcast. High 58°, low 42°.
0Chatham Run, Monday, 23 November
Overcast. High 42°, low 30°.
0Chatham Run, Tuesday, 24 November
Clear. High 43°, low 26°.
0Chatham Run, Wednesday, 25 November
Mostly clear. High 47°, low 27°.
0Chatham Run, Thursday, 26 November
Overcast. High 52°, low 31°.
0Chatham Run, Friday, 27 November
Clear. High 56°, low 35°.
0Chatham Run, Saturday, 28 November
Overcast. High 58°, low 37°.
0Chatham Run, Sunday, 29 November
Mostly clear. High 57°, low 40°.
0Chatham Run, Monday, 30 November
Overcast. High 54°, low 39°.
0.15
Chatham 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.
0.12Chatham Run, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13Chatham Run, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Chatham Run, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Chatham Run, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.15Chatham Run, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Chatham Run, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15Chatham Run, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Chatham Run, Saturday, 12 December
Climate normal for this date — 60-year average.
0.15Chatham Run, Sunday, 13 December
Climate normal for this date — 60-year average.
0.15Chatham Run, Monday, 14 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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