Weather in Lower Merion, PA
Lower Merion, Friday, 30 October, 01:16
Overcast. Feels like 55°. High 69°, low 45°.
Monthly outlook for Lower Merion, PA: average high 58.4°, average low 44.9°. That is 1° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 3 November (71.2°), the coolest 12 November (34.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 64° | 58.3° | +3.2° |
| 9 November – 18 November | 49.1° | 53.3° | -2.3° |
| 19 November – 28 November | at normal | 50.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Narberth (2 mi).
0
Lower Merion, Saturday, 31 October
Partly cloudy. High 58°, low 38°.
0Lower Merion, Sunday, 1 November
Overcast. High 62°, low 41°.
0
Lower Merion, Monday, 2 November
Mostly clear. High 67°, low 45°.
0Lower Merion, Tuesday, 3 November
Partly cloudy. High 71°, low 49°.
0Lower Merion, Wednesday, 4 November
Partly cloudy. High 67°, low 49°.
0.56
Lower Merion, Thursday, 5 November
Rain. High 66°, low 55°.
0.7Lower Merion, Friday, 6 November
Rain. High 67°, low 62°.
0Lower Merion, Saturday, 7 November
Overcast. High 60°, low 48°.
0
Lower Merion, Sunday, 8 November
Clear. High 53°, low 42°.
0.04Lower Merion, Monday, 9 November
Light rain. High 54°, low 41°.
0.51Lower Merion, Tuesday, 10 November
Rain. High 50°, low 46°.
0.04Lower Merion, Wednesday, 11 November
Light rain. High 44°, low 38°.
0Lower Merion, Thursday, 12 November
Partly cloudy. High 47°, low 35°.
0.01Lower Merion, Friday, 13 November
Light rain. High 46°, low 43°.
0.01Lower Merion, Saturday, 14 November
Light rain. High 54°, low 42°.
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.
0.11
Lower 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.
0.17Lower Merion, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Lower Merion, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Lower Merion, 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 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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