Pittsburgh weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: April – October
What is the weather like in Pittsburgh in August?
In August, Pittsburgh is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 93 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is a good month for a holiday in Pittsburgh.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 65 | 72 | 75 |
| Day | 28° | 28° | 24° |
| Night | 19° | 18° | 15° |
| Sun | 7 h | 7 h | 6 h |
| Rain days | 14 | 12 | 10 |
More details for August
- Daylight
- 13 h 50 min06:30 – 20:20
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 13 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 6 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %94 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %42 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
Pittsburgh in August: quick answers
Is Pittsburgh hot in August?
Yes. In August, Pittsburgh is hot: daytime highs average 28 °C and nights stay around 18 °C. On about 6 days the thermometer climbs to 30 °C or more.
Does it rain much in Pittsburgh in August?
Rain is frequent, with about 12 rainy days and 93 mm in total.
Pittsburgh month by month
The whole year in PittsburghAll destinations: USAWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences