Pittsburgh weather live forecast

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

Tuesday
15th Sep
29

14

11

7
Wednesday
16th Sep
31

20

7

6
Thursday
17th Sep
30

23

2

6
Friday
18th Sep
27

20

8

5
Saturday
19th Sep
26

19

5

6

5-day weather forecast updated at 04:00 on Tuesday 15th September 2026 GMT

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The 5-day weather forecast for Pennsylvania (Pittsburgh) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Pittsburgh weather forecast by day

Below are the detailed weather forecasts for Pittsburgh for the next 5 days.

Pittsburgh weather for Tuesday 15th September 2026

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

29
°C maximum temperature
14
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from S

Pittsburgh weather for Wednesday 16th September 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and little or no wind of 4 kph from the south.

31
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
39
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
4
kph wind from S

Pittsburgh weather for Thursday 17th September 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 7 kph from the west.

30
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
76
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from W

Pittsburgh weather for Friday 18th September 2026

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

27
°C maximum temperature
20
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from N

Pittsburgh weather for Saturday 19th September 2026

Expect broken clouds in Pittsburgh, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.