Weather in East Allentown, PA
East Allentown, Sunday, 9 August, 16:07
Clear. Feels like 92°. High 89°, low 71°.
Monthly outlook for East Allentown, PA: average high 85.2°, average low 66.3°. That is 2.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.0 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 19 August (92°), the coolest 20 August (60.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.2° | 81.9° | +1.3° |
| 19 August – 28 August | 86.9° | 80.5° | +3.6° |
| 29 August – 7 September | at normal | 79° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Stiles (5 mi).
0.06
East Allentown, Monday, 10 August
Light rain. High 84°, low 70°.
0.02East Allentown, Tuesday, 11 August
Light rain. High 89°, low 71°.
0.24East Allentown, Wednesday, 12 August
Rain. High 82°, low 67°.
0
East Allentown, Thursday, 13 August
Overcast. High 82°, low 65°.
0East Allentown, Friday, 14 August
Overcast. High 79°, low 62°.
0East Allentown, Saturday, 15 August
Overcast. High 81°, low 64°.
0.13East Allentown, Sunday, 16 August
Light rain. High 91°, low 67°.
0East Allentown, Monday, 17 August
Overcast. High 81°, low 64°.
0.02East Allentown, Tuesday, 18 August
Light rain. High 83°, low 62°.
0.3East Allentown, Wednesday, 19 August
Rain. High 92°, low 68°.
0East Allentown, Thursday, 20 August
Overcast. High 87°, low 61°.
0.08East Allentown, Friday, 21 August
Light rain. High 87°, low 70°.
0.07East Allentown, Saturday, 22 August
Light rain. High 82°, low 67°.
0.03East Allentown, Sunday, 23 August
Light rain. High 86°, low 64°.
0.03East Allentown, Monday, 24 August
Light rain. High 88°, low 69°.
0.07
East Allentown, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06East Allentown, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.19
East Allentown, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19East Allentown, Friday, 28 August
Climate normal for this date — 60-year average.
0.14East Allentown, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05East Allentown, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06East Allentown, Monday, 31 August
Climate normal for this date — 60-year average.
0.15East Allentown, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12East Allentown, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.14East Allentown, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13East Allentown, Friday, 4 September
Climate normal for this date — 60-year average.
0.07East Allentown, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23East Allentown, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13East Allentown, Monday, 7 September
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 East 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 East 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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