Weston Weather Forecast
- 52
- 78
Mostly Cloudy
- 56
- 83
Partly Sunny
- 57
- 85
Mostly Sunny
- 63
- 89
Partly Sunny
- 63
- 89
Slight Chance Thunderstorms
- 64
- 90
Slight Chance Thunderstorms
- 62
- 88
Partly Sunny
Today 9 Sep McLean
Mostly sunny. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.
Tonight 9 Sep McLean
Partly cloudy. Lows in the lower 50s. Southeast Winds around 5 Mph.
Weston Temperature Statistics
September Temperature
Pontiac Municipal Airport (11.8 miles)
Lowest 7 September, 2025
41.4 °FAverage September
59.4 °FHighest 2 September, 2025
79.5 °F
Climate (2020–Present)
Pontiac Municipal Airport (11.8 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
51.9 °FAverage High 2020–2025
61.9 °F