Live Weather & Forecast
Weather in Lower Merion
Pennsylvania, United States · Real-time conditions & 3-day outlook
10°C
Feels like 8°C
51°F / Feels 47°F
Clear
Lower Merion, Pennsylvania
🌙 Nighttime
Updated: 2026-04-13 02:00
Humidity
71%
Wind
15.8 km/h S
Wind Gust
24.6 km/h
Pressure
1024 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
7.2°C
Wind Degree
179°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
183.9 μg/m³
NO₂
8.3 μg/m³
O₃
89 μg/m³
SO₂
4.1 μg/m³
PM 2.5
10.9 μg/m³
PM 10
12.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Lower Merion, Pennsylvania
12 AM
10°
Clear
1 AM
10°
Clear
2 AM
10°
Clear
3 AM
10°
Clear
4 AM
11°
Clear
5 AM
11°
Clear
6 AM
12°
Clear
7 AM
13°
Partly Cloudy
8 AM
15°
Partly Cloudy
9 AM
17°
Sunny
10 AM
20°
Sunny
11 AM
24°
Sunny
12 PM
27°
Sunny
1 PM
26°
Sunny
2 PM
24°
Cloudy
3 PM
23°
Partly Cloudy
4 PM
22°
Cloudy
5 PM
21°
Overcast
6 PM
22°
Cloudy
7 PM
20°
Sunny
8 PM
19°
Clear
9 PM
19°
Clear
10 PM
18°
Clear
11 PM
18°
Clear
3-Day Forecast
Daily overview for Lower Merion, Pennsylvania
Today
Sunny
29°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 27.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
31°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 20.2 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
Partly Cloudy
33°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 22.7 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 Lower Merion
Plan your trip to Lower Merion, 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 Lower Merion?
Current conditions in Lower Merion: Clear, temperature 10°C, humidity 71%.
What is the best time to visit Lower Merion?
The best time to visit Lower Merion is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Lower Merion?
Lower Merion is located at approximately 40° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Lower Merion?
The wettest period in Lower Merion is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Lower Merion?
For visits to Lower Merion during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Lower Merion in?
Lower Merion is located in United States, in the state of Pennsylvania.
What are the public holidays in Lower Merion in 2026?
View the 2026 public holidays for Lower Merion on our Holidays page.
What are the GPS coordinates used for the weather forecast in Lower Merion?
The weather forecast for Lower Merion uses coordinates 39.9975, -75.2516.