Radnor, PA Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Radnor, PA in one place.
Rain showers likely and patchy fog before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Radnor, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 12:47 PM EDT.
The active forecast window currently covers May 25 to May 30, 2026 for Radnor, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 12:47 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Radnor
Wednesday looks like the warmest upcoming period in Radnor at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 12:47 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 61. Northwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 76. East wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 62.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63.
Partly sunny, with a high near 79.
Partly cloudy, with a low around 57.
Sunny, with a high near 74.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Rain Showers Likely
|
75°F |
5 mph
SW
|
|
Monday Night
May 25
|
Chance Rain Showers
|
61°F |
0 to 5 mph
NW
|
|
Tuesday
May 26
|
Chance Rain Showers
|
76°F |
0 mph
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
62°F |
0 mph
|
|
Wednesday
May 27
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
0 to 5 mph
W
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms
|
63°F |
5 mph
W
|
|
Thursday
May 28
|
Partly Sunny
|
79°F |
5 to 10 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
57°F |
5 mph
N
|
|
Friday
May 29
|
Sunny
|
74°F |
5 to 10 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
54°F |
5 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
73°F |
5 to 10 mph
NW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
54°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Radnor.
