Weather in Heidelberg, PA
Heidelberg, Sunday, 11 October, 12:00
Heavy rain. Feels like 57°. High 61°, low 54°.
Monthly outlook for Heidelberg, PA: average high 62.6°, average low 46°. That is 1.1° above the climate normal for October. Precipitation is expected on 5 days (about 2.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 13 October (80.1°), the coolest 18 October (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 62.8° | 61.7° | +0.7° |
| 21 October – 30 October | 62.1° | 57.9° | +2.3° |
| 31 October – 9 November | at normal | 54.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mount Lebanon (3 mi).
0Heidelberg, Monday, 12 October
Light rain. High 70°, low 51°.
0
Heidelberg, Tuesday, 13 October
Clear. High 80°, low 60°.
0.67Heidelberg, Wednesday, 14 October
Rain. High 75°, low 63°.
0
Heidelberg, Thursday, 15 October
Mostly clear. High 67°, low 54°.
0.76Heidelberg, Friday, 16 October
Rain. High 68°, low 51°.
0.19
Heidelberg, Saturday, 17 October
Snow. High 48°, low 32°.
0.03Heidelberg, Sunday, 18 October
Light snow. High 44°, low 29°.
0Heidelberg, Monday, 19 October
Clear. High 55°, low 33°.
0Heidelberg, Tuesday, 20 October
Clear. High 60°, low 39°.
0
Heidelberg, Wednesday, 21 October
Partly cloudy. High 63°, low 42°.
0
Heidelberg, Thursday, 22 October
Overcast. High 64°, low 47°.
0Heidelberg, Friday, 23 October
Clear. High 64°, low 44°.
0Heidelberg, Saturday, 24 October
Overcast. High 63°, low 45°.
0Heidelberg, Sunday, 25 October
Clear. High 60°, low 44°.
0.17Heidelberg, Monday, 26 October
Light rain. High 59°, low 46°.
0.11
Heidelberg, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Heidelberg, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.17Heidelberg, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13Heidelberg, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Heidelberg, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Heidelberg, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Heidelberg, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Heidelberg, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.13Heidelberg, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Heidelberg, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Heidelberg, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Heidelberg, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Heidelberg, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Heidelberg, Monday, 9 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 Heidelberg, 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 Heidelberg, 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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