Philadelphia weather live forecast

Today's maximum temperature in Philadelphia is expected to be 32°C. Select a day from the live weather forecast for Philadelphia, Pennsylvania, USA for more weather parameters.

Sunday
17th May
32

20

11

7
Monday
18th May
34

21

12

8
Tuesday
19th May
36

23

12

8
Wednesday
20th May
35

23

6

8
Thursday
21st May
23

16

1

4

5-day weather forecast updated at 04:00 on Sunday 17th 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 Sunday 17th May 2026

Expect scattered clouds in Philadelphia, Pennsylvania with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

32
°C maximum temperature
20
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from W

Philadelphia weather for Monday 18th May 2026

Expect scattered clouds in Philadelphia, Pennsylvania with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

34
°C maximum temperature
21
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from S

Philadelphia weather for Tuesday 19th May 2026

Expect scattered clouds in Philadelphia, Pennsylvania with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

36
°C maximum temperature
23
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from SW

Philadelphia weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Philadelphia, Pennsylvania with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 17 kph from the west.

35
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
69
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
17
kph wind from W

Philadelphia weather for Thursday 21st May 2026

Expect isolated thunderstorms in Philadelphia, Pennsylvania with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 11 kph from the north.