Weather in Summit Lawn, PA
Summit Lawn, Saturday, 31 October, 09:10
Clear. Feels like 42°. High 59°, low 41°.
Monthly outlook for Summit Lawn, PA: average high 60.1°, average low 45.2°. That is 2.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 4 November (68.2°), the coolest 1 November (33.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 63° | 56.5° | +3.6° |
| 10 November – 19 November | 55.3° | 51.3° | +2.3° |
| 20 November – 29 November | at normal | 48.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Allentown (3 mi).
0
Summit Lawn, Sunday, 1 November
Overcast. High 63°, low 34°.
0Summit Lawn, Monday, 2 November
Overcast. High 62°, low 40°.
0Summit Lawn, Tuesday, 3 November
Overcast. High 64°, low 41°.
0Summit Lawn, Wednesday, 4 November
Clear. High 68°, low 47°.
0.02
Summit Lawn, Thursday, 5 November
Light rain. High 64°, low 49°.
0.06Summit Lawn, Friday, 6 November
Light rain. High 60°, low 55°.
0Summit Lawn, Saturday, 7 November
Overcast. High 58°, low 51°.
0Summit Lawn, Sunday, 8 November
Overcast. High 67°, low 51°.
0.05Summit Lawn, Monday, 9 November
Light rain. High 64°, low 55°.
0.26Summit Lawn, Tuesday, 10 November
Rain. High 68°, low 57°.
0.57Summit Lawn, Wednesday, 11 November
Rain. High 61°, low 47°.
0Summit Lawn, Thursday, 12 November
Overcast. High 51°, low 44°.
0Summit Lawn, Friday, 13 November
Clear. High 50°, low 37°.
0.02Summit Lawn, Saturday, 14 November
Light rain. High 51°, low 38°.
0.02Summit Lawn, Sunday, 15 November
Light rain. High 51°, low 36°.
0.15
Summit 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.
0.12
Summit Lawn, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08
Summit 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.
0.11Summit Lawn, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Summit Lawn, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Summit Lawn, Sunday, 29 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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