August weather in Duquesne, PA
The average temperature in Duquesne in August is 73.0°F (62.8°F–83.2°F). Average precipitation: 3.74 inches.
August is a summer month in Duquesne, and is warmer than the annual average of 52.4°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 36m. For travel, August is a comfortable month to visit.
Avg High
83.2°F
Avg Low
62.8°F
Precipitation
3.74 in
Daylight
13h 36m
August records in Duquesne
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 90.0°F (2011) | 57.0°F (2023) | 1.45 in (1947) |
| August 2 | 93.0°F (2024) | 57.0°F (2023) | 1.86 in (1968) |
| August 3 | 90.0°F (2019) | 54.0°F (2025) | 1.78 in (1964) |
| August 4 | 96.1°F (2019) | 54.0°F (2025) | 1.61 in (1958) |
| August 5 | 91.0°F (2024) | 55.9°F (2025) | 2.29 in (1984) |
| August 6 | 93.0°F (2024) | 17.1°F (1978) | 2.61 in (1956) |
| August 7 | 90.0°F (2019) | 60.1°F (2013) | 4.78 in (2000) |
| August 8 | 89.1°F (2018) | 60.1°F (2014) | 2.13 in (1952) |
| August 9 | 89.1°F (2012) | 55.9°F (2017) | 2.17 in (1996) |
| August 10 | 89.1°F (2016) | 55.9°F (2017) | 2.03 in (2007) |
| August 11 | 93.0°F (2020) | 59.0°F (2019) | 0.86 in (1986) |
| August 12 | 93.9°F (2016) | 59.0°F (2019) | 1.75 in (1984) |
| August 13 | 91.9°F (2020) | 55.0°F (2022) | 1.20 in (2021) |
| August 14 | 91.0°F (2020) | 55.0°F (2022) | 1.76 in (1955) |
| August 15 | 91.0°F (1978) | 55.0°F (2014) | 1.66 in (1977) |
| August 16 | 87.1°F (2015) | 54.0°F (2014) | 0.96 in (1985) |
| August 17 | 90.0°F (2025) | 54.0°F (2014) | 1.45 in (1997) |
| August 18 | 91.0°F (2015) | 59.0°F (2013) | 1.62 in (1994) |
| August 19 | 91.0°F (1978) | 52.0°F (2023) | 0.98 in (2017) |
| August 20 | 91.0°F (2019) | 52.0°F (2023) | 1.56 in (1997) |
| August 21 | 98.1°F (2019) | 55.9°F (2023) | 1.37 in (1961) |
| August 22 | 90.0°F (2023) | 57.9°F (2012) | 1.03 in (1944) |
| August 23 | 93.9°F (2020) | 51.1°F (2024) | 2.46 in (1970) |
| August 24 | 90.0°F (2012) | 51.1°F (2024) | 0.91 in (2002) |
| August 25 | 90.0°F (1978) | 55.0°F (2019) | 1.60 in (2023) |
| August 26 | 87.1°F (2012) | 50.0°F (2025) | 1.50 in (1985) |
| August 27 | 90.0°F (2012) | 48.0°F (2025) | 1.53 in (1979) |
| August 28 | 93.0°F (2024) | 46.0°F (2025) | 1.58 in (1983) |
| August 29 | 93.0°F (2018) | 46.0°F (2025) | 1.57 in (1992) |
| August 30 | 90.0°F (2018) | 48.0°F (2025) | 0.65 in (2004) |
| August 31 | 90.0°F (2024) | 48.0°F (2025) | 1.93 in (1975) |