Weather in Hummelstown, PA
Hummelstown, Friday, 30 October, 02:57
Clear. Feels like 51°. High 67°, low 43°.
Monthly outlook for Hummelstown, PA: average high 56.9°, average low 42.3°. That is 0.8° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 3 November (67.4°), the coolest 12 November (29.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 62.3° | 57.1° | +2.9° |
| 9 November – 18 November | 47.9° | 51.8° | -2.2° |
| 19 November – 28 November | at normal | 49° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Enhaut (6 mi).
0
Hummelstown, Saturday, 31 October
Partly cloudy. High 58°, low 39°.
0
Hummelstown, Sunday, 1 November
Overcast. High 61°, low 44°.
0Hummelstown, Monday, 2 November
Partly cloudy. High 64°, low 45°.
0Hummelstown, Tuesday, 3 November
Overcast. High 67°, low 47°.
0
Hummelstown, Wednesday, 4 November
Clear. High 67°, low 48°.
0.55
Hummelstown, Thursday, 5 November
Rain. High 64°, low 51°.
0.81Hummelstown, Friday, 6 November
Heavy rain. High 64°, low 59°.
0Hummelstown, Saturday, 7 November
Overcast. High 58°, low 46°.
0Hummelstown, Sunday, 8 November
Clear. High 52°, low 38°.
0.13Hummelstown, Monday, 9 November
Rain. High 52°, low 38°.
0.29Hummelstown, Tuesday, 10 November
Rain. High 47°, low 44°.
0Hummelstown, Wednesday, 11 November
Overcast. High 46°, low 34°.
0Hummelstown, Thursday, 12 November
Overcast. High 46°, low 29°.
0.12
Hummelstown, Friday, 13 November
Snow. High 42°, low 35°.
0Hummelstown, Saturday, 14 November
Overcast. High 54°, low 38°.
0.13
Hummelstown, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Hummelstown, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Hummelstown, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Hummelstown, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Hummelstown, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Hummelstown, Friday, 20 November
Climate normal for this date — 60-year average.
0.12Hummelstown, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Hummelstown, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Hummelstown, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Hummelstown, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.12Hummelstown, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.16Hummelstown, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Hummelstown, Friday, 27 November
Climate normal for this date — 60-year average.
0.24Hummelstown, Saturday, 28 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 Hummelstown, 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 Hummelstown, 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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