Weather in Allentown, PA
Allentown, Thursday, 15 October, 13:46
Mostly clear. Feels like 65°. High 66°, low 53°.
Monthly outlook for Allentown, PA: average high 60.5°, average low 42.5°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 4 days and 2.1 inches. The warmest day looks like 16 October (78.9°), the coolest 25 October (33.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 62.7° | 61.8° | +0.5° |
| 25 October – 3 November | 56.7° | 58.5° | -1° |
| 4 November – 13 November | at normal | 54° | — |
October records over 66 years
0.41
Allentown, Friday, 16 October
Rain. High 79°, low 58°.
0.01Allentown, Saturday, 17 October
Light rain. High 61°, low 40°.
0
Allentown, Sunday, 18 October
Clear. High 56°, low 36°.
0Allentown, Monday, 19 October
Clear. High 61°, low 39°.
0Allentown, Tuesday, 20 October
Clear. High 64°, low 39°.
0
Allentown, Wednesday, 21 October
Partly cloudy. High 65°, low 47°.
0Allentown, Thursday, 22 October
Clear. High 62°, low 42°.
0Allentown, Friday, 23 October
Mostly clear. High 61°, low 41°.
0Allentown, Saturday, 24 October
Clear. High 52°, low 36°.
0
Allentown, Sunday, 25 October
Overcast. High 54°, low 34°.
0Allentown, Monday, 26 October
Clear. High 62°, low 37°.
0Allentown, Tuesday, 27 October
Partly cloudy. High 56°, low 39°.
0.06Allentown, Wednesday, 28 October
Light rain. High 57°, low 49°.
0.05Allentown, Thursday, 29 October
Light rain. High 48°, low 43°.
0.18Allentown, Friday, 30 October
Light rain. High 63°, low 48°.
0.05Allentown, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Allentown, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Allentown, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Allentown, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Allentown, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Allentown, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Allentown, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Allentown, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Allentown, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Allentown, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Allentown, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Allentown, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Allentown, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Allentown, 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 Allentown, 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 Allentown, 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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