Weather in Lower Merion, PA
Lower Merion, Tuesday, 27 October, 14:55
Clear. Feels like 64°. High 65°, low 44°.
Monthly outlook for Lower Merion, PA: average high 61.1°, average low 47.5°. That is 1.7° above the climate normal for October. Precipitation is expected on 6 days (about 2.6 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 30 October (70.6°), the coolest 11 November (34.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 63° | 59.4° | +2° |
| 6 November – 15 November | 57.9° | 54.5° | +1.9° |
| 16 November – 25 November | at normal | 50.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Narberth (2 mi).
0
Lower Merion, Wednesday, 28 October
Mostly clear. High 64°, low 39°.
0
Lower Merion, Thursday, 29 October
Partly cloudy. High 69°, low 42°.
0Lower Merion, Friday, 30 October
Clear. High 71°, low 51°.
0
Lower Merion, Saturday, 31 October
Overcast. High 61°, low 45°.
0Lower Merion, Sunday, 1 November
Overcast. High 67°, low 50°.
0.07
Lower Merion, Monday, 2 November
Light rain. High 61°, low 54°.
1.28Lower Merion, Tuesday, 3 November
Rain. High 61°, low 46°.
0.12Lower Merion, Wednesday, 4 November
Light rain. High 51°, low 45°.
0.49Lower Merion, Thursday, 5 November
Rain. High 59°, low 52°.
0.46Lower Merion, Friday, 6 November
Rain. High 61°, low 56°.
0Lower Merion, Saturday, 7 November
Overcast. High 60°, low 52°.
0Lower Merion, Sunday, 8 November
Partly cloudy. High 60°, low 48°.
0Lower Merion, Monday, 9 November
Clear. High 60°, low 50°.
0.17Lower Merion, Tuesday, 10 November
Light rain. High 57°, low 52°.
0.02Lower Merion, Wednesday, 11 November
Light rain. High 49°, low 34°.
0.19
Lower Merion, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Lower Merion, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Lower Merion, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Lower Merion, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Lower Merion, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Lower Merion, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Lower Merion, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Lower Merion, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Lower Merion, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Lower Merion, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Lower Merion, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Lower Merion, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Lower Merion, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Lower Merion, Wednesday, 25 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 Lower Merion, 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 Lower Merion, 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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