Weather in Upper Merion, PA
Upper Merion, Wednesday, 21 October, 01:08
Clear. Feels like 48°. High 65°, low 43°.
Monthly outlook for Upper Merion, PA: average high 58.5°, average low 42.2°. That is 1.3° below the climate normal for October. Precipitation is expected on 2 days (about 1.4 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 22 October (67.2°), the coolest 4 November (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 60.3° | 61.4° | -0.6° |
| 31 October – 9 November | 55.4° | 58.5° | -1.7° |
| 10 November – 19 November | at normal | 53.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bridgeport (2 mi).
0
Upper Merion, Thursday, 22 October
Clear. High 67°, low 38°.
0Upper Merion, Friday, 23 October
Clear. High 57°, low 43°.
0Upper Merion, Saturday, 24 October
Clear. High 58°, low 37°.
0Upper Merion, Sunday, 25 October
Clear. High 62°, low 38°.
0Upper Merion, Monday, 26 October
Clear. High 66°, low 39°.
0
Upper Merion, Tuesday, 27 October
Overcast. High 67°, low 51°.
0Upper Merion, Wednesday, 28 October
Clear. High 53°, low 43°.
0.2
Upper Merion, Thursday, 29 October
Rain. High 50°, low 44°.
0Upper Merion, Friday, 30 October
Overcast. High 57°, low 41°.
0
Upper Merion, Saturday, 31 October
Partly cloudy. High 55°, low 40°.
0
Upper Merion, Sunday, 1 November
Mostly clear. High 64°, low 46°.
1.17Upper Merion, Monday, 2 November
Heavy rain. High 64°, low 56°.
0Upper Merion, Tuesday, 3 November
Partly cloudy. High 53°, low 42°.
0Upper Merion, Wednesday, 4 November
Clear. High 48°, low 36°.
0Upper Merion, Thursday, 5 November
Clear. High 49°, low 38°.
0.07Upper Merion, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Upper Merion, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Upper Merion, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Upper Merion, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Upper Merion, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Upper Merion, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Upper Merion, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Upper Merion, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Upper Merion, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Upper Merion, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Upper Merion, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Upper Merion, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Upper Merion, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Upper Merion, Thursday, 19 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 Upper 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 Upper 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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