Weather in Upper Macungie, PA
Upper Macungie, Thursday, 8 October, 08:13
Clear. Feels like 53°. High 74°, low 49°.
Monthly outlook for Upper Macungie, PA: average high 64.8°, average low 47.7°. That is 0.8° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 8 October (74.4°), the coolest 18 October (38.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 67° | 64.4° | +1.4° |
| 18 October – 27 October | 61.1° | 60.6° | +0.3° |
| 28 October – 6 November | at normal | 57.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Allentown (8 mi).
0Upper Macungie, Friday, 9 October
Clear. High 71°, low 43°.
0
Upper Macungie, Saturday, 10 October
Overcast. High 67°, low 46°.
0.21
Upper Macungie, Sunday, 11 October
Rain. High 61°, low 50°.
0.12Upper Macungie, Monday, 12 October
Light rain. High 69°, low 58°.
0.05Upper Macungie, Tuesday, 13 October
Light rain. High 74°, low 56°.
0Upper Macungie, Wednesday, 14 October
Clear. High 57°, low 43°.
0
Upper Macungie, Thursday, 15 October
Mostly clear. High 61°, low 39°.
0Upper Macungie, Friday, 16 October
Clear. High 73°, low 48°.
0Upper Macungie, Saturday, 17 October
Mostly clear. High 63°, low 44°.
0Upper Macungie, Sunday, 18 October
Overcast. High 56°, low 38°.
0Upper Macungie, Monday, 19 October
Overcast. High 68°, low 50°.
0.37Upper Macungie, Tuesday, 20 October
Rain. High 58°, low 53°.
0.04Upper Macungie, Wednesday, 21 October
Light rain. High 58°, low 51°.
0Upper Macungie, Thursday, 22 October
Clear. High 65°, low 48°.
0Upper Macungie, Friday, 23 October
Overcast. High 62°, low 48°.
0.14
Upper Macungie, Saturday, 24 October
Climate normal for this date — 60-year average.
0.12
Upper Macungie, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11Upper Macungie, Monday, 26 October
Climate normal for this date — 60-year average.
0.2Upper Macungie, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.15Upper Macungie, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.2Upper Macungie, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Upper Macungie, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Upper Macungie, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Upper Macungie, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Upper Macungie, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Upper Macungie, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Upper Macungie, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Upper Macungie, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Upper Macungie, Friday, 6 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 Upper Macungie, 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 Upper Macungie, 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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