Live Weather & Forecast
Weather in Radnor
Pennsylvania, United States · Real-time conditions & 3-day outlook
10°C
Feels like 8°C
51°F / Feels 47°F
Clear
Radnor, Pennsylvania
🌙 Nighttime
Updated: 2026-04-13 01:45
Humidity
71%
Wind
15.1 km/h S
Wind Gust
23.4 km/h
Pressure
1024 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
6°C
Wind Degree
181°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
179.9 μg/m³
NO₂
6.9 μg/m³
O₃
93 μg/m³
SO₂
3.8 μg/m³
PM 2.5
10.4 μg/m³
PM 10
11.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Radnor, 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 Radnor, 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 Radnor
Plan your trip to Radnor, 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 Radnor?
Current conditions in Radnor: Clear, temperature 10°C, humidity 71%.
What is the best time to visit Radnor?
The best time to visit Radnor is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Radnor?
Radnor is located at approximately 40° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Radnor?
The wettest period in Radnor is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Radnor?
For visits to Radnor during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Radnor in?
Radnor is located in United States, in the state of Pennsylvania.
What are the public holidays in Radnor in 2026?
View the 2026 public holidays for Radnor on our Holidays page.
What are the GPS coordinates used for the weather forecast in Radnor?
The weather forecast for Radnor uses coordinates 40.0463, -75.3595.