Pennsylvania weather live forecast

Today's maximum temperature in Pennsylvania is expected to be 30°C. Select a day from the live weather forecast for Pennsylvania (Philadelphia), USA for more weather parameters.

Tuesday
18th Aug
30

23

6

7
Wednesday
19th Aug
30

21

11

8
Thursday
20th Aug
28

22

2

2
Friday
21st Aug
27

21

3

5
Saturday
22nd Aug
26

21

3

5

5-day weather forecast updated at 04:00 on Tuesday 18th August 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.

Top Pennsylvania destinations

Below are temperatures expected today at popular countries, regions and places in Pennsylvania. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Pennsylvania weather forecast by day

Below are the detailed weather forecasts for Pennsylvania for the next 5 days. The forecasts shown are for Philadelphia and may not represent the whole of Pennsylvania. Browse more destinations in Pennsylvania to view more weather forecasts.

Pennsylvania weather for Tuesday 18th August 2026

Expect broken clouds in Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

30
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from N

Pennsylvania weather for Wednesday 19th August 2026

Expect scattered clouds in Pennsylvania with a maximum temperature of 30°C, moderate 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 9 kph from the west.

30
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from W

Pennsylvania weather for Thursday 20th August 2026

Expect isolated thunderstorms in Pennsylvania with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and little or no wind of 4 kph from the west.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
79
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
4
kph wind from W

Pennsylvania weather for Friday 21st August 2026

Expect mostly cloudy with light rain in Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a light breeze of 8 kph from the north-east.

27
°C maximum temperature
21
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
33
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
8
kph wind from NE

Pennsylvania weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a light breeze of 7 kph from the east.