Philadelphia weather live forecast

Today's maximum temperature in Philadelphia is expected to be 20°C. Select a day from the live weather forecast for Philadelphia, Pennsylvania, USA for more weather parameters.

Thursday
21st May
20

14

0

UV1
Friday
22nd May
15

12

1

UV3
Saturday
23rd May
14

12

0

UV1
Sunday
24th May
19

12

0

UV2
Monday
25th May
24

16

0

UV2

5-day weather forecast updated at 04:00 on Thursday 21st May 2026 GMT

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The 5-day weather forecast for Pennsylvania (Philadelphia) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Philadelphia weather forecast by day

Below are the detailed weather forecasts for Philadelphia for the next 5 days.

Philadelphia weather for Thursday 21st May 2026

Expect isolated thunderstorms in Philadelphia, Pennsylvania with a maximum temperature of 20°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a light breeze of 11 kph from the north-east.

20
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
UV1
UV index (Low)
92
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
11
kph wind from NE

Philadelphia weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Philadelphia, Pennsylvania with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 14 kph from the east.

15
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV3
UV index (Moderate)
55
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Philadelphia weather for Saturday 23rd May 2026

Expect cloudy with some rain in Philadelphia, Pennsylvania with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 16 kph from the east.

14
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV1
UV index (Low)
82
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
16
kph wind from E

Philadelphia weather for Sunday 24th May 2026

Expect cloudy with some rain in Philadelphia, Pennsylvania with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 43% chance of some rain and a light breeze of 12 kph from the north-east.

19
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV2
UV index (Low)
43
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
12
kph wind from NE

Philadelphia weather for Monday 25th May 2026

Expect isolated thunderstorms in Philadelphia, Pennsylvania with a maximum temperature of 24°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and little or no wind of 4 kph from the south-west.