Pennsylvania weather live forecast

Today's maximum temperature in Pennsylvania is expected to be 33°C. Select a day from the live weather forecast for Pennsylvania (Philadelphia), USA for more weather parameters.

Wednesday
20th May
33

22

11

UV9
Thursday
21st May
20

14

1

UV3
Friday
22nd May
18

12

1

UV8
Saturday
23rd May
15

12

0

UV1
Sunday
24th May
20

12

1

UV2

5-day weather forecast updated at 04:00 on Wednesday 20th 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.

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 Wednesday 20th May 2026

Expect isolated thunderstorms in Pennsylvania with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 15 kph from the west.

33
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
UV9
UV index (Very High)
76
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
15
kph wind from W

Pennsylvania weather for Thursday 21st May 2026

Expect broken clouds in Pennsylvania with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
1
hour of sunshine
UV3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Pennsylvania weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Pennsylvania with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 81% chance of some rain and a light breeze of 12 kph from the east.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV8
UV index (Very High)
81
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
12
kph wind from E

Pennsylvania weather for Saturday 23rd May 2026

Expect cloudy with some rain in Pennsylvania with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 13 kph from the east.

15
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV1
UV index (Low)
77
% chance of some rain
<30
mm of rainfall expected
15
°C wind chill
13
kph wind from E

Pennsylvania weather for Sunday 24th May 2026

Expect isolated thunderstorms in Pennsylvania with a maximum temperature of 20°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 41% chance of some rain and a light breeze of 11 kph from the east.