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Shaded-relief atlas plate of Radnor, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · DELAWARE COUNTY

Radnor

34,130 people, in Delaware County.

34,130People, 2024 estimate
14 sq miLand area
Sunny 73°
Sunny now Dew point 59° · NW 10 mph · high 73°
City of Radnor River Interstate 2 miles
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The Radnor plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Radnor

NWS forecast and National Blend of Models · updated 1:00 PM EDT
RIGHT NOW Philadelphia International Airport (KPHL) · 1:54 PM
Sunny
73° Sunny Feels like 73° · high of 73° near 3 PM
WindNW 10 mphno gusts
Humidity61%falling to 64% this afternoon
Pressure30.01 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 59° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Showers
Friday30% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 271.58 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Delaware County
NWS Mount Holly and the Storm Prediction Center · checked 2:51 PM
SUN & MOON
↑ 6:55 AM6:47 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
31
GOODAir quality index · fine particles
Tomorrow: 55, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
partly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
mostly sunny
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
partly cloudy day
mostly sunny
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy night
mostly sunny
mostly sunny
TEMPERATURE °F
72°
60°
77°
64°
79°
67°
CHANCE OF RAIN
50%
WIND, MPH
8
6
6
3
0
0
0
3
6
6
7
7
7
7
7
8
8
9
9
9
9
9
8
10
HOW IT FEELS · DEW POINT
Sticky: dew points 59 to 66°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 74° / 56°
TUE Sept. 29 Partly cloudy Partly cloudy
73° 60°
0% rain — WNW 7 A
WED Sept. 30 Partly cloudy Partly cloudy
79° 64°
0% rain — WSW 3 A
THU Oct. 1 Partly cloudy Partly cloudy
81° 67°
0% rain — SW 8 B
FRI Oct. 2 Chance of showers Chance of showers
85° 64°
30% rain — WSW 13 A
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
73° 59°
40% rain up to 0.3″ E 10 C
SUN Oct. 4 Chance of showers Chance of showers
70° 57°
60% rain up to 1.0″ NE 10 C
MON Oct. 5 Mostly sunny Mostly sunny
68° 49°
10% rain — NNW 13 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

MILE7
ON THE NETWORK

Around Radnor on the Forecast Network

Neighboring plates

Philadelphia PA · 13 MI 13 miles east Allentown PA · 40 MI 40 miles north Baltimore MD · 83 MI 83 miles southwest New York NY · 88 MI 88 miles northeast Hempstead NY · 102 MI 102 miles northeast Washington DC · 117 MI 117 miles southwest
FORECASTCITY
Atlas plate of Radnor, Pennsylvania. Explore the plate
PENNSYLVANIA · DELAWARE

Radnor

34,130 people, in Delaware County.

34,130People
14 sq miLand
Sunny 73°
SunnyDew point 59°
1

Today in Radnor

NEXT 15 HOURS
Now partly cloudy day 72° 0%
5p partly cloudy day 73° 1%
8p partly cloudy night 69° 2%
11p partly cloudy night 66° 1%
2a partly cloudy night 63° 1%
5a partly cloudy night 61° 0%
Showers
NEXT RAINFriday · 30%
→
Tue0%
Partly cloudy Partly cloudy
60
73
A
Wed0%
Partly cloudy Partly cloudy
64
79
A
Thu0%
Partly cloudy Partly cloudy
67
81
B
Fri30%
Chance of showers Chance of showers
64
85
A
Sat40%
Chance of showers; cooler Chance of showers; cooler
59
73
C
Sun60%
Chance of showers Chance of showers
57
70
C
Mon10%
Mostly sunny Mostly sunny
49
68
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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