Philadelphia weather live forecast

Today's maximum temperature in Philadelphia is expected to be 36°C. Select a day from the live weather forecast for Philadelphia, Pennsylvania, USA for more weather parameters.

Tuesday
19th May
36

24

11

8
Wednesday
20th May
34

21

9

9
Thursday
21st May
22

16

0

4
Friday
22nd May
19

12

0

3
Saturday
23rd May
14

12

0

0

5-day weather forecast updated at 04:00 on Tuesday 19th 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 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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

36
°C maximum temperature
24
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from SW

Philadelphia weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Philadelphia, Pennsylvania with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 17 kph from the west.

34
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
79
% 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 mostly cloudy with light rain in Philadelphia, Pennsylvania with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a light breeze of 12 kph from the north.

22
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
4
UV index (Moderate)
41
% chance of some rain
<5
mm of rainfall expected
22
°C wind chill
12
kph wind from N

Philadelphia weather for Friday 22nd May 2026

Expect cloudy with some rain in Philadelphia, Pennsylvania with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 11 kph from the east.

19
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
78
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
11
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 and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 14 kph from the east.