Weather in Summit Lawn, PA
Summit Lawn, Wednesday, 28 October, 09:29
Clear. Feels like 46°. High 63°, low 41°.
Monthly outlook for Summit Lawn, PA: average high 58.8°, average low 42.6°. That is 1.5° above the climate normal for October. Precipitation is expected on 4 days (about 3.9 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 29 October (68.2°), the coolest 9 November (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 62.6° | 57.5° | +2.8° |
| 7 November – 16 November | 52.4° | 52.6° | -0.1° |
| 17 November – 26 November | at normal | 49.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Allentown (3 mi).
0Summit Lawn, Thursday, 29 October
Clear. High 68°, low 41°.
0
Summit Lawn, Friday, 30 October
Mostly clear. High 67°, low 47°.
0Summit Lawn, Saturday, 31 October
Clear. High 58°, low 43°.
0
Summit Lawn, Sunday, 1 November
Overcast. High 62°, low 42°.
0Summit Lawn, Monday, 2 November
Clear. High 66°, low 43°.
0Summit Lawn, Tuesday, 3 November
Overcast. High 62°, low 51°.
0Summit Lawn, Wednesday, 4 November
Overcast. High 55°, low 40°.
1.19
Summit Lawn, Thursday, 5 November
Heavy rain. High 62°, low 52°.
1.03Summit Lawn, Friday, 6 November
Heavy rain. High 62°, low 52°.
0.05Summit Lawn, Saturday, 7 November
Light rain. High 46°, low 39°.
0Summit Lawn, Sunday, 8 November
Clear. High 51°, low 36°.
0Summit Lawn, Monday, 9 November
Clear. High 55°, low 36°.
0Summit Lawn, Tuesday, 10 November
Clear. High 55°, low 37°.
0
Summit Lawn, Wednesday, 11 November
Partly cloudy. High 56°, low 38°.
1.6Summit Lawn, Thursday, 12 November
Heavy rain. High 51°, low 45°.
0.12
Summit Lawn, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Summit Lawn, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Summit Lawn, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Summit Lawn, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Summit Lawn, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Summit Lawn, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Summit Lawn, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Summit Lawn, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Summit Lawn, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12Summit Lawn, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Summit Lawn, Monday, 23 November
Climate normal for this date — 60-year average.
0.11Summit Lawn, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14Summit Lawn, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.18Summit Lawn, Thursday, 26 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 Summit Lawn, 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 Summit Lawn, 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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