Pittsburgh weather live forecast

Today's maximum temperature in Pittsburgh is expected to be 20°C. Select a day from the live weather forecast for Pittsburgh, Pennsylvania, USA for more weather parameters.

Friday
15th May
20

8

8

6
Saturday
16th May
26

12

7

7
Sunday
17th May
30

18

6

5
Monday
18th May
33

20

9

8
Tuesday
19th May
32

22

4

7

5-day weather forecast updated at 04:00 on Friday 15th May 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 Friday 15th May 2026

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 20°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

20
°C maximum temperature
8
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
7
kph wind from W

Pittsburgh weather for Saturday 16th May 2026

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 26°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 13 kph from the south-west.

26
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
63
% chance of some rain
<5
mm of rainfall expected
26
°C wind chill
13
kph wind from SW

Pittsburgh weather for Sunday 17th May 2026

Expect broken clouds in Pittsburgh, Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-west.

30
°C maximum temperature
18
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SW

Pittsburgh weather for Monday 18th May 2026

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 33°C, high 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 10 kph from the south-west.

33
°C maximum temperature
20
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
10
kph wind from SW

Pittsburgh weather for Tuesday 19th May 2026

Expect broken clouds in Pittsburgh, Pennsylvania with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.