Live Weather & Forecast
Weather in Norristown
Pennsylvania, United States · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Overcast
Norristown, Pennsylvania
🌞 Daytime
Updated: 2026-04-13 09:00
Humidity
86%
Wind
18.4 km/h SSW
Wind Gust
22.5 km/h
Pressure
1021 mb
Visibility
16 km
UV Index
1
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
14.6°C
Wind Degree
213°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
193.9 μg/m³
NO₂
5.9 μg/m³
O₃
118 μg/m³
SO₂
5.8 μg/m³
PM 2.5
7.2 μg/m³
PM 10
7.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Norristown, Pennsylvania
12 AM
11°
Clear
1 AM
11°
Clear
2 AM
11°
Overcast
3 AM
11°
Partly Cloudy
4 AM
11°
Partly Cloudy
5 AM
11°
Partly Cloudy
6 AM
12°
Partly Cloudy
7 AM
13°
Partly Cloudy
8 AM
16°
Partly Cloudy
9 AM
15°
Overcast
10 AM
23°
Sunny
11 AM
26°
Sunny
12 PM
28°
Sunny
1 PM
29°
Sunny
2 PM
28°
Sunny
3 PM
28°
Overcast
4 PM
28°
Patchy rain nearby
5 PM
27°
Sunny
6 PM
25°
Sunny
7 PM
23°
Sunny
8 PM
20°
Partly Cloudy
9 PM
19°
Clear
10 PM
18°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Norristown, Pennsylvania
Today
Sunny
30°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0.08 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
29°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Overcast
33°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Norristown
Plan your trip to Norristown, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Norristown?
Current conditions in Norristown: Overcast, temperature 15°C, humidity 86%.
What is the best time to visit Norristown?
The best time to visit Norristown is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Norristown?
Norristown is located at approximately 40.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Norristown?
The wettest period in Norristown is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Norristown?
For visits to Norristown during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Norristown in?
Norristown is located in United States, in the state of Pennsylvania.
What are the public holidays in Norristown in 2026?
View the 2026 public holidays for Norristown on our Holidays page.
What are the GPS coordinates used for the weather forecast in Norristown?
The weather forecast for Norristown uses coordinates 40.1149, -75.3434.