Weather in Upper Merion, PA
Upper Merion, Friday, 16 October, 05:26
Overcast. Feels like 58°. High 80°, low 58°.
Monthly outlook for Upper Merion, PA: average high 63.4°, average low 50°. That is 0.8° above the climate normal for October. Precipitation is expected on 4 days (about 2.2 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 16 October (80°), the coolest 18 October (38.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 62.7° | 63.1° | -0.2° |
| 26 October – 4 November | 64.7° | 60.1° | +2.5° |
| 5 November – 14 November | at normal | 55.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bridgeport (2 mi).
0.01
Upper Merion, Saturday, 17 October
Light rain. High 63°, low 43°.
0
Upper Merion, Sunday, 18 October
Clear. High 57°, low 38°.
0Upper Merion, Monday, 19 October
Overcast. High 57°, low 41°.
0Upper Merion, Tuesday, 20 October
Overcast. High 66°, low 50°.
0Upper Merion, Wednesday, 21 October
Clear. High 63°, low 54°.
0Upper Merion, Thursday, 22 October
Overcast. High 55°, low 46°.
0Upper Merion, Friday, 23 October
Overcast. High 61°, low 47°.
0Upper Merion, Saturday, 24 October
Clear. High 65°, low 47°.
0.02Upper Merion, Sunday, 25 October
Light rain. High 59°, low 49°.
1.13Upper Merion, Monday, 26 October
Rain. High 56°, low 53°.
0.02Upper Merion, Tuesday, 27 October
Light rain. High 65°, low 51°.
0
Upper Merion, Wednesday, 28 October
Partly cloudy. High 67°, low 55°.
0Upper Merion, Thursday, 29 October
Overcast. High 66°, low 54°.
0.27Upper Merion, Friday, 30 October
Rain. High 64°, low 59°.
0.54Upper Merion, Saturday, 31 October
Rain. High 69°, low 55°.
0.09Upper Merion, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Upper Merion, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Upper Merion, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Upper Merion, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Upper Merion, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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