Norristown, PA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Norristown, PA.

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Current Conditions — Norristown, PA

POTTSTOWN (KPTW)

Cloudy

46.4 F
Humidity:71%
Wind Speed:E 4.6 mph
Barometer:30.15 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:44.2 F
Apr 22 2026, 03:35 AM EDT
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5-Day Forecast — Norristown, PA

Wednesday

High 68 °F
Chance of Rain Showers
Wednesday
Night
Low 50 °F
Partly Cloudy
Thursday

High 75 °F
Mostly Sunny
Thursday
Night
Low 50 °F
Mostly Cloudy
Friday

High 66 °F
Slight Chance of Rain Showers
Friday
Night
Low 46 °F
Chance of Rain
Saturday

High 53 °F
Rain Showers Likely
Saturday
Night
Low 42 °F
Rain Likely
Sunday

High 59 °F
Rain Showers Likely

Detailed Forecast — Norristown, PA

Wednesday
Chance of Rain Showers. High near 68°F. Wind 2 to 7 mph, with gusts as high as 13 mph.
Wednesday Night
Partly Cloudy. Low around 50°F. Wind 2 to 3 mph, with gusts as high as 5 mph.
Thursday
Mostly Sunny. High near 75°F. Wind 3 to 8 mph, with gusts as high as 14 mph.
Thursday Night
Mostly Cloudy. Low around 50°F. Wind around 2 mph, with gusts as high as 7 mph.
Friday
Slight Chance of Rain Showers. High near 66°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Friday Night
Chance of Rain. Low around 46°F. Wind 2 to 3 mph, with gusts as high as 5 mph.
Saturday
Rain Showers Likely. High near 53°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Rain Likely. Low around 42°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Sunday
Rain Showers Likely. High near 59°F. Wind 7 to 9 mph, with gusts as high as 14 mph.
Sunday Night
Chance of Rain. Low around 44°F. Wind 1 to 3 mph, with gusts as high as 6 mph.
Monday
Slight Chance of Rain Showers. High near 66°F. Wind 2 to 8 mph, with gusts as high as 13 mph.
Monday Night
Chance of Rain. Low around 48°F. Wind 1 to 5 mph, with gusts as high as 8 mph.
Tuesday
Chance of Rain Showers. High near 66°F. Wind 5 to 9 mph, with gusts as high as 16 mph.
PA Radar
Current Radar • PA
Day 1 Outlook • April 22, 2026

Observation History — Norristown, PA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:35 AM EDT E 4.6 10.00 Cloudy -- 46.4 37.4 71% 44.2 NA 30.15 1021.0
03:20 AM EDT 0.0 10.00 Cloudy -- 46.4 37.4 71% NA NA 30.16 1021.3
03:15 AM EDT SE 3.4 10.00 Cloudy -- 46.4 37.4 71% 45.1 NA 30.15 1021.0
03:10 AM EDT 0.0 10.00 Cloudy -- 46.4 37.4 71% NA NA 30.16 1021.3
03:05 AM EDT 3.4 10.00 Cloudy -- 46.4 37.4 71% 45.1 NA 30.15 1021.0
03:00 AM EDT 4.6 10.00 Cloudy -- 46.4 37.4 71% 44.2 NA 30.14 1020.7
02:50 AM EDT 3.4 10.00 Cloudy -- 46.4 37.4 71% 45.1 NA 30.14 1020.7
02:40 AM EDT 10.00 Mostly Cloudy -- 46.4 37.4 71% NA NA 30.15 1021.0
02:35 AM EDT SE 3.4 10.00 Mostly Cloudy -- 46.4 37.4 71% 45.1 NA 30.15 1021.0
02:30 AM EDT 3.4 10.00 Mostly Cloudy -- 46.4 37.4 71% 45.1 NA 30.15 1021.0
02:15 AM EDT SE 3.4 10.00 Cloudy -- 46.4 37.4 71% 45.1 NA 30.16 1021.3
02:10 AM EDT 4.6 10.00 Cloudy -- 46.4 37.4 71% 44.2 NA 30.16 1021.3
02:00 AM EDT 0.0 10.00 Cloudy -- 46.4 37.4 71% NA NA 30.17 1021.7
01:50 AM EDT 4.6 10.00 Mostly Cloudy -- 46.4 37.4 71% 44.2 NA 30.18 1022.0
01:40 AM EDT SE 4.6 10.00 Partly Cloudy -- 46.4 35.6 66% 44.2 NA 30.18 1022.0
01:35 AM EDT 3.4 10.00 Partly Cloudy -- 46.4 35.6 66% 45.1 NA 30.18 1022.0
01:30 AM EDT 3.4 10.00 Mostly Clear -- 46.4 35.6 66% 45.1 NA 30.19 1022.4
01:25 AM EDT 0.0 10.00 Mostly Clear -- 46.4 35.6 66% NA NA 30.19 1022.4
01:20 AM EDT SE 3.4 10.00 Mostly Clear -- 46.4 35.6 66% 45.1 NA 30.19 1022.4
01:10 AM EDT 3.4 10.00 Mostly Clear -- 46.4 35.6 66% 45.1 NA 30.19 1022.4
01:00 AM EDT SE 3.4 10.00 Mostly Clear -- 46.4 35.6 66% 45.1 NA 30.20 1022.7
12:50 AM EDT SE 4.6 10.00 Clear -- 46.4 35.6 66% 44.2 NA 30.20 1022.7
12:45 AM EDT SE 4.6 10.00 Mostly Clear -- 46.4 35.6 66% 44.2 NA 30.20 1022.7
12:35 AM EDT 5.7 10.00 Clear -- 46.4 35.6 66% 43.5 NA 30.20 1022.7

Regional Weather Observation

POTTSTOWN (KPTW)

Cloudy
46.4 F

PHILLY WINGS F (KLOM)

Cloudy
46.0 F

QUAKERTOWN ARP (KUKT)

Cloudy
44.6 F

PERKASIE (KCKZ)

Cloudy
44.6 F

DOYLESTOWN (KDYL)

Cloudy
44.6 F

READING (KRDG)

Light Rain
48.2 F
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