Philadelphia weather live forecast

Today's maximum temperature in Philadelphia is expected to be 28°C. Select a day from the live weather forecast for Philadelphia, Pennsylvania, USA for more weather parameters.

Saturday
16th May
28

13

14

8
Sunday
17th May
31

20

7

8
Monday
18th May
34

21

11

8
Tuesday
19th May
36

21

13

8
Wednesday
20th May
35

24

9

7

5-day weather forecast updated at 04:00 on Saturday 16th 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 Saturday 16th May 2026

Expect scattered clouds in Philadelphia, Pennsylvania with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
13
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Philadelphia weather for Sunday 17th May 2026

Expect broken clouds in Philadelphia, Pennsylvania with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

31
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

34
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from S

Philadelphia weather for Tuesday 19th May 2026

Expect clear skies in Philadelphia, Pennsylvania with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 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
21
°C minimum temperature
clear skies
13
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 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 15 kph from the south-west.