Weather in Norristown, PA
Norristown, Wednesday, 11 November, 16:27
Overcast. Feels like 60°. High 64°, low 40°.
Monthly outlook for Norristown, PA: average high 53°, average low 39.9°. That is 0.6° above the climate normal for November. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 11 November (64.1°), the coolest 17 November (33.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 52.5° | 52.7° | -0.1° |
| 21 November – 30 November | 53.8° | 50.2° | +2° |
| 1 December – 10 December | at normal | 46° | — |
November records over 66 years
0.62
Norristown, Thursday, 12 November
Rain. High 57°, low 46°.
0.58Norristown, Friday, 13 November
Rain. High 46°, low 38°.
0Norristown, Saturday, 14 November
Overcast. High 45°, low 35°.
0
Norristown, Sunday, 15 November
Mostly clear. High 47°, low 35°.
0Norristown, Monday, 16 November
Overcast. High 50°, low 36°.
0
Norristown, Tuesday, 17 November
Clear. High 50°, low 34°.
0Norristown, Wednesday, 18 November
Clear. High 54°, low 38°.
0Norristown, Thursday, 19 November
Clear. High 57°, low 40°.
0Norristown, Friday, 20 November
Overcast. High 55°, low 41°.
0Norristown, Saturday, 21 November
Overcast. High 55°, low 43°.
0Norristown, Sunday, 22 November
Overcast. High 59°, low 45°.
0.28Norristown, Monday, 23 November
Rain. High 59°, low 48°.
0.15Norristown, Tuesday, 24 November
Light rain. High 59°, low 47°.
0Norristown, Wednesday, 25 November
Overcast. High 45°, low 39°.
0Norristown, Thursday, 26 November
Clear. High 46°, low 35°.
0.11
Norristown, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Norristown, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13
Norristown, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Norristown, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Norristown, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Norristown, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Norristown, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Norristown, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Norristown, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13Norristown, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Norristown, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Norristown, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Norristown, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Norristown, Thursday, 10 December
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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