Philadelphia weather live forecast

Today's maximum temperature in Philadelphia is expected to be 29°C. Select a day from the live weather forecast for Philadelphia, Pennsylvania, USA for more weather parameters.

Friday
18th Sep
29

22

6

5
Saturday
19th Sep
24

20

3

4
Sunday
20th Sep
24

20

0

2
Monday
21st Sep
21

18

0

1
Tuesday
22nd Sep
18

15

1

2

5-day weather forecast updated at 04:00 on Friday 18th September 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 Friday 18th September 2026

Expect sunshine and showers in Philadelphia, Pennsylvania with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected and a light breeze of 12 kph from the north.

29
°C maximum temperature
22
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from N

Philadelphia weather for Saturday 19th September 2026

Expect broken clouds in Philadelphia, Pennsylvania with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

24
°C maximum temperature
20
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
12
kph wind from E

Philadelphia weather for Sunday 20th September 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 5-10 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 15 kph from the south.

24
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Philadelphia weather for Monday 21st September 2026

Expect mostly cloudy with light rain in Philadelphia, Pennsylvania with a maximum temperature of 21°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 13 kph from the north-east.

21
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
49
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Philadelphia weather for Tuesday 22nd September 2026

Expect cloudy with some rain in Philadelphia, Pennsylvania with a maximum temperature of 18°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 18 kph from the north-east.