McLean Weather Forecast
- 58
- 75
Mostly Cloudy
- 56
- 77
Mostly Cloudy
- 56
- 79
Partly Sunny
- 59
- 76
Chance Thunderstorms
- 58
- 75
Chance Thunderstorms
- 58
- 74
Slight Chance Thunderstorms
- 59
- 77
Partly Sunny
Today 26 Aug Pierce
Mostly cloudy. Near steady temperature in the mid 70s. South Winds around 10 Mph.
Tonight 26 Aug Pierce
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.
McLean Temperature Statistics
August Temperature
Wayne, Wayne Municipal Airport (26.7 miles)
Lowest 24 August, 2025
49.6 °FAverage August
72.8 °FHighest 16 August, 2025
90.7 °F
Climate (2020–Present)
Wayne, Wayne Municipal Airport (26.7 miles)
Average Low 2020–2025
37.6 °FAverage 2020–2025
49.4 °FAverage High 2020–2025
61.4 °F