Pittsburgh, PA 14-Day Forecast
Pennsylvania, United States 🇺🇸
75°
Overcast right now
Today: high 79°, low 55°
Updated just now
Pittsburgh weather for the next 14 days
Wednesday, September 16
Patchy rain nearby High 80° Low 66°Precipitation
57%
· 0.05 in
Max wind
6 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
07:01 AM / 07:27 PM
Thursday, September 17
Mist High 83° Low 68°Precipitation
75%
· 0.08 in
Max wind
6 mph
Humidity
87%
UV index
4 - Moderate
Sunrise / sunset
07:02 AM / 07:26 PM
Friday, September 18
Fog High 76° Low 62°Precipitation
15%
· 0.0 in
Max wind
7 mph
Humidity
76%
UV index
7 - High
Sunrise / sunset
07:03 AM / 07:24 PM
Saturday, September 19
Sunny High 75° Low 58°Precipitation
73%
· 0.21 in
Max wind
6 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
07:04 AM / 07:22 PM
Sunday, September 20
Light rain shower High 68° Low 64°Precipitation
92%
· 0.26 in
Max wind
5 mph
Humidity
98%
UV index
4 - Moderate
Sunrise / sunset
07:05 AM / 07:21 PM
Monday, September 21
Light rain shower High 81° Low 66°Precipitation
85%
· 0.17 in
Max wind
4 mph
Humidity
89%
UV index
6 - High
Sunrise / sunset
07:06 AM / 07:19 PM
Tuesday, September 22
Light rain shower High 82° Low 68°Precipitation
89%
· 0.41 in
Max wind
6 mph
Humidity
86%
UV index
6 - High
Sunrise / sunset
07:07 AM / 07:17 PM
Wednesday, September 23
Overcast High 78° Low 66°Precipitation
27%
· 0.0 in
Max wind
4 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
07:08 AM / 07:16 PM
Thursday, September 24
Cloudy High 78° Low 63°Precipitation
76%
· 0.1 in
Max wind
10 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
07:09 AM / 07:14 PM
Friday, September 25
Light rain shower High 69° Low 65°Precipitation
91%
· 0.35 in
Max wind
8 mph
Humidity
96%
UV index
5 - Moderate
Sunrise / sunset
07:10 AM / 07:12 PM
Saturday, September 26
Patchy rain nearby High 66° Low 58°Precipitation
88%
· 0.29 in
Max wind
11 mph
Humidity
88%
UV index
4 - Moderate
Sunrise / sunset
07:11 AM / 07:11 PM
Sunday, September 27
Sunny High 64° Low 50°Precipitation
9%
· 0.0 in
Max wind
8 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
07:12 AM / 07:09 PM
Monday, September 28
Sunny High 61° Low 46°Precipitation
4%
· 0.0 in
Max wind
9 mph
Humidity
58%
UV index
5 - Moderate
Sunrise / sunset
07:13 AM / 07:07 PM
Pittsburgh 14-day outlook: the story
The warmest day of Pittsburgh's 14-day outlook is Thursday, September 17 with a high near 83°F (29°C); the coolest night comes Monday, September 28, dipping to 46°F (8°C). The trend points cooler: week two runs about 6°F below week one. Highs over the next two weeks average 77°F (25°C), right in line with the typical September high of 77°F (25°C).
Precipitation is most likely on Wednesday 16, Thursday 17, Saturday 19, Sunday 20 and beyond; the wettest day looks like Tuesday, September 22 with about 0.41 in (10.5 mm) expected. For the weekend, expect Saturday 75°F (24°C) and sunny / Sunday 68°F (20°C) and light rain shower.
For typical conditions month by month, see the Pittsburgh climate & average temperatures guide.
Pittsburgh forecast questions
Will it rain in Pittsburgh this week?
The forecast currently shows meaningful precipitation chances on 9 of the next 14 days, peaking around Tuesday, September 22.
What will be the warmest day in Pittsburgh over the next 14 days?
Thursday, September 17, with a forecast high near 83°F (29°C).
How accurate is a 14-day forecast for Pittsburgh?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Pittsburgh by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 38° | 23° | 13 | 3.8 in | 4.5 h/day | 72% |
| February | 43° | 25° | 12 | 4.1 in | 6.1 h/day | 69% |
| March | 51° | 32° | 14 | 4.4 in | 7.2 h/day | 67% |
| April | 62° | 41° | 15 | 5.0 in | 8.6 h/day | 68% |
| May | 71° | 53° | 15 | 5.1 in | 10.0 h/day | 73% |
| June | 79° | 61° | 16 | 6.0 in | 11.3 h/day | 73% |
| July | 84° | 66° | 15 | 4.6 in | 11.4 h/day | 75% |
| August | 82° | 65° | 14 | 4.4 in | 10.8 h/day | 75% |
| September | 77° | 59° | 11 | 4.2 in | 9.5 h/day | 75% |
| October | 65° | 48° | 11 | 4.1 in | 7.4 h/day | 74% |
| November | 52° | 36° | 10 | 2.9 in | 6.2 h/day | 71% |
| December | 44° | 30° | 12 | 3.7 in | 4.4 h/day | 74% |
14-day forecasts nearby