Pittsburgh weather live forecast

Today's maximum temperature in Pittsburgh is expected to be 27°C. Select a day from the live weather forecast for Pittsburgh, Pennsylvania, USA for more weather parameters.

Monday
17th Aug
27

21

4

3
Tuesday
18th Aug
26

19

9

8
Wednesday
19th Aug
27

19

7

6
Thursday
20th Aug
27

21

2

5
Friday
21st Aug
27

19

4

8

5-day weather forecast updated at 04:00 on Monday 17th August 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 Monday 17th August 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 61% chance of some rain and a light breeze of 8 kph from the west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
61
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
kph wind from W

Pittsburgh weather for Tuesday 18th August 2026

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

26
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
7
kph wind from NW

Pittsburgh weather for Wednesday 19th August 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 11 kph from the south-west.

27
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
61
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Pittsburgh weather for Thursday 20th August 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and little or no wind of 5 kph from the north.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
46
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
5
kph wind from N

Pittsburgh weather for Friday 21st August 2026

Expect mostly cloudy with light rain in Pittsburgh, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and little or no wind of 4 kph from the east.