Weather in Old Port, PA
Old Port, Thursday, 15 October, 03:58
Overcast. Feels like 58°. High 65°, low 54°.
Monthly outlook for Old Port, PA: average high 65.3°, average low 47.2°. That is 3° above the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 16 October (83°), the coolest 18 October (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 66° | 60.9° | +2.8° |
| 25 October – 3 November | 64° | 57.9° | +3.4° |
| 4 November – 13 November | at normal | 53.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mifflintown (3 mi).
0.07
Old Port, Friday, 16 October
Light rain. High 83°, low 58°.
0.01Old Port, Saturday, 17 October
Light rain. High 57°, low 42°.
0
Old Port, Sunday, 18 October
Clear. High 59°, low 36°.
0Old Port, Monday, 19 October
Clear. High 63°, low 39°.
0
Old Port, Tuesday, 20 October
Partly cloudy. High 67°, low 38°.
0Old Port, Wednesday, 21 October
Clear. High 66°, low 45°.
0Old Port, Thursday, 22 October
Clear. High 63°, low 45°.
0Old Port, Friday, 23 October
Clear. High 67°, low 46°.
0Old Port, Saturday, 24 October
Overcast. High 69°, low 50°.
0Old Port, Sunday, 25 October
Clear. High 68°, low 48°.
0.02Old Port, Monday, 26 October
Light rain. High 70°, low 51°.
0Old Port, Tuesday, 27 October
Overcast. High 64°, low 51°.
0.85Old Port, Wednesday, 28 October
Rain. High 57°, low 53°.
0.2Old Port, Thursday, 29 October
Light rain. High 66°, low 52°.
0Old Port, Friday, 30 October
Overcast. High 60°, low 47°.
0.08Old Port, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Old Port, Sunday, 1 November
Climate normal for this date — 60-year average.
0.13Old Port, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Old Port, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Old Port, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Old Port, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Old Port, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Old Port, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Old Port, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09
Old Port, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Old Port, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Old Port, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Old Port, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Old Port, Friday, 13 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 Old Port, 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 Old Port, 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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