Monthly outlook for Norristown, PA: average high 58.4°, average low 44.4°. That is 0.8° above the climate normal for October. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 4 November (71.9°), the coolest 9 November (37.3°).
58.4°/44.4°
Average high / low
+0.8°
Above normal
4 / 4
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
30 October – 8 November
63.7°
58.6°
+2.8°
9 November – 18 November
49.7°
53.6°
-2.2°
19 November – 28 November
at normal
50.9°
—
October records over 66 years
91.8°2 October 2019All-time high
28.9°24 October 1969All-time low
Sat, 3158° / 40°0
58 °
Norristown, Saturday, 31 October
Mostly clear. High 58°, low 40°.
Pressure30.47 inHg
Wind4.8 mph NW
Humidity56%
Visibility6.2 mi
Dew point39°
Sun, 0160° / 38°0
60 °
Norristown, Sunday, 1 November
Overcast. High 60°, low 38°.
Pressure30.56 inHg
Wind1.1 mph W
Humidity57%
Visibility6.2 mi
Dew point40°
Mon, 0266° / 45°0
66 °
Norristown, Monday, 2 November
Overcast. High 66°, low 45°.
Pressure30.39 inHg
Wind5.6 mph SW
Humidity54%
Visibility6.2 mi
Dew point45°
Tue, 0370° / 47°0
70 °
Norristown, Tuesday, 3 November
Overcast. High 70°, low 47°.
Pressure30.30 inHg
Wind4.3 mph S
Humidity57%
Visibility6.2 mi
Dew point48°
Wed, 0472° / 51°0
72 °
Norristown, Wednesday, 4 November
Clear. High 72°, low 51°.
Pressure30.18 inHg
Wind8.9 mph SW
Humidity73%
Visibility—
Dew point54°
Thu, 0565° / 60°0.98
65 °
Norristown, Thursday, 5 November
Heavy rain. High 65°, low 60°.
Pressure29.83 inHg
Wind12.3 mph E
Humidity92%
Visibility—
Dew point61°
Fri, 0667° / 62°0.69
67 °
Norristown, Friday, 6 November
Rain. High 67°, low 62°.
Pressure29.38 inHg
Wind10.2 mph NW
Humidity91%
Visibility—
Dew point62°
Sat, 0758° / 43°0
58 °
Norristown, Saturday, 7 November
Overcast. High 58°, low 43°.
Pressure29.65 inHg
Wind15 mph NW
Humidity72%
Visibility—
Dew point45°
Sun, 0850° / 39°0
50 °
Norristown, Sunday, 8 November
Clear. High 50°, low 39°.
Pressure30.06 inHg
Wind15 mph N
Humidity52%
Visibility—
Dew point27°
Mon, 0951° / 37°0
51 °
Norristown, Monday, 9 November
Mostly clear. High 51°, low 37°.
Pressure30.21 inHg
Wind10.4 mph NW
Humidity43%
Visibility—
Dew point23°
Tue, 1047° / 41°0.19
47 °
Norristown, Tuesday, 10 November
Light rain. High 47°, low 41°.
Pressure30.09 inHg
Wind4.5 mph SE
Humidity35%
Visibility—
Dew point20°
Wed, 1144° / 41°0.5
44 °
Norristown, Wednesday, 11 November
Rain. High 44°, low 41°.
Pressure29.74 inHg
Wind10 mph N
Humidity90%
Visibility—
Dew point40°
Thu, 1250° / 40°0
50 °
Norristown, Thursday, 12 November
Partly cloudy. High 50°, low 40°.
Pressure29.83 inHg
Wind9.4 mph NW
Humidity66%
Visibility—
Dew point34°
Fri, 1353° / 37°0
53 °
Norristown, Friday, 13 November
Clear. High 53°, low 37°.
Pressure30.03 inHg
Wind7.8 mph N
Humidity58%
Visibility—
Dew point32°
Sat, 1453° / 42°0
53 °
Norristown, Saturday, 14 November
Overcast. High 53°, low 42°.
Pressure30.09 inHg
Wind5.1 mph E
Humidity58%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 1554° / 39°0.1
54 °
Norristown, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.1 in
Chance of precipitation32%
Record high75° (1993)
Record low26° (1967)
Mon, 1653° / 39°0.13
53 °
Norristown, Monday, 16 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.13 in
Chance of precipitation30%
Record high72° (2005)
Record low22° (1967)
Tue, 1752° / 37°0.09
52 °
Norristown, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.09 in
Chance of precipitation27%
Record high68° (1987)
Record low27° (2019)
Wed, 1852° / 37°0.07
52 °
Norristown, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.07 in
Chance of precipitation27%
Record high69° (1963)
Record low26° (2014)
Thu, 1952° / 38°0.09
52 °
Norristown, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.09 in
Chance of precipitation25%
Record high68° (2016)
Record low22° (2014)
Fri, 2052° / 37°0.08
52 °
Norristown, Friday, 20 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.08 in
Chance of precipitation23%
Record high73° (1985)
Record low26° (2022)
Sat, 2151° / 37°0.1
51 °
Norristown, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.1 in
Chance of precipitation27%
Record high69° (1991)
Record low21° (1987)
Sun, 2250° / 37°0.11
50 °
Norristown, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.11 in
Chance of precipitation33%
Record high69° (2007)
Record low19° (2018)
Mon, 2349° / 35°0.07
49 °
Norristown, Monday, 23 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.07 in
Chance of precipitation20%
Record high68° (1979)
Record low15° (2018)
Tue, 2451° / 36°0.1
51 °
Norristown, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high51°
Average low36°
Average precipitation0.1 in
Chance of precipitation27%
Record high69° (1979)
Record low13° (1989)
Wed, 2550° / 36°0.13
50 °
Norristown, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.13 in
Chance of precipitation33%
Record high70° (1979)
Record low20° (1989)
Thu, 2652° / 37°0.16
52 °
Norristown, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.16 in
Chance of precipitation42%
Record high66° (1999)
Record low26° (2005)
Fri, 2751° / 37°0.11
51 °
Norristown, Friday, 27 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.11 in
Chance of precipitation32%
Record high64° (2015)
Record low25° (1974)
Sat, 2852° / 38°0.14
52 °
Norristown, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.14 in
Chance of precipitation27%
Record high68° (1990)
Record low20° (2014)
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.