Weather in Norristown, PA
Norristown, Saturday, 24 October, 22:41
Clear. Feels like 48°. High 63°, low 35°.
Monthly outlook for Norristown, PA: average high 64.8°, average low 47.4°. That is 3° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 30 October (72.6°), the coolest 25 October (34.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 66.2° | 60.5° | +3.2° |
| 3 November – 12 November | 62.3° | 56.7° | +3.1° |
| 13 November – 22 November | at normal | 51.9° | — |
October records over 66 years
0
Norristown, Sunday, 25 October
Clear. High 65°, low 34°.
0Norristown, Monday, 26 October
Clear. High 68°, low 37°.
0Norristown, Tuesday, 27 October
Clear. High 62°, low 48°.
0Norristown, Wednesday, 28 October
Clear. High 61°, low 42°.
0Norristown, Thursday, 29 October
Clear. High 69°, low 46°.
0Norristown, Friday, 30 October
Clear. High 73°, low 52°.
0
Norristown, Saturday, 31 October
Partly cloudy. High 67°, low 54°.
0
Norristown, Sunday, 1 November
Overcast. High 69°, low 55°.
0.48
Norristown, Monday, 2 November
Rain. High 67°, low 60°.
0Norristown, Tuesday, 3 November
Clear. High 66°, low 51°.
0.46Norristown, Wednesday, 4 November
Rain. High 62°, low 47°.
0.37Norristown, Thursday, 5 November
Rain. High 66°, low 55°.
0Norristown, Friday, 6 November
Overcast. High 55°, low 46°.
0.02Norristown, Saturday, 7 November
Light rain. High 60°, low 45°.
0.01Norristown, Sunday, 8 November
Light rain. High 65°, low 51°.
0.09Norristown, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Norristown, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Norristown, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Norristown, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Norristown, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Norristown, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Norristown, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Norristown, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Norristown, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Norristown, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Norristown, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Norristown, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Norristown, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Norristown, Sunday, 22 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 Norristown, 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 Norristown, 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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