Weather in South Mountain, PA
South Mountain, Wednesday, 4 November, 01:28
Clear. Feels like 50°. High 69°, low 47°.
Monthly outlook for South Mountain, PA: average high 54.1°, average low 37.3°. That is 0.3° above the climate normal for November. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 5 November (71.8°), the coolest 16 November (24.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 57.4° | 54.9° | +1.4° |
| 14 November – 23 November | 48.6° | 50.6° | -1.1° |
| 24 November – 3 December | at normal | 47.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rouzerville (8 mi).
0.46
South Mountain, Thursday, 5 November
Rain. High 72°, low 54°.
0
South Mountain, Friday, 6 November
Partly cloudy. High 65°, low 51°.
0South Mountain, Saturday, 7 November
Partly cloudy. High 51°, low 43°.
0South Mountain, Sunday, 8 November
Partly cloudy. High 51°, low 40°.
0
South Mountain, Monday, 9 November
Mostly clear. High 52°, low 40°.
0
South Mountain, Tuesday, 10 November
Clear. High 60°, low 38°.
0South Mountain, Wednesday, 11 November
Partly cloudy. High 55°, low 37°.
0
South Mountain, Thursday, 12 November
Overcast. High 48°, low 35°.
0South Mountain, Friday, 13 November
Overcast. High 51°, low 35°.
0.01South Mountain, Saturday, 14 November
Light rain. High 47°, low 30°.
0South Mountain, Sunday, 15 November
Mostly clear. High 39°, low 26°.
0South Mountain, Monday, 16 November
Clear. High 44°, low 24°.
0South Mountain, Tuesday, 17 November
Clear. High 50°, low 27°.
0South Mountain, Wednesday, 18 November
Mostly clear. High 55°, low 32°.
0South Mountain, Thursday, 19 November
Overcast. High 56°, low 36°.
0.07South Mountain, Friday, 20 November
Climate normal for this date — 60-year average.
0.11South Mountain, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11
South Mountain, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06South Mountain, Monday, 23 November
Climate normal for this date — 60-year average.
0.13South Mountain, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09South Mountain, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17South Mountain, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11South Mountain, Friday, 27 November
Climate normal for this date — 60-year average.
0.22South Mountain, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13South Mountain, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11South Mountain, Monday, 30 November
Climate normal for this date — 60-year average.
0.14South Mountain, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11South Mountain, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12South Mountain, Thursday, 3 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 South Mountain, 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 South Mountain, 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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