Washington County Memorial Airport Weather Forecast
- 64
- 87
Mostly Sunny
- 63
- 87
Partly Sunny
- 60
- 78
Rain Showers Likely
- 57
- 74
Chance Thunderstorms
- 56
- 74
Slight Chance Thunderstorms
- 56
- 75
Partly Sunny
Today 15 Sep Washington
Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.
Tonight 15 Sep Washington
Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.
Washington County Memorial Airport Temperature Statistics
September Temperature
Marysville Municipal Airport (23.6 miles)
Lowest 6 September, 2025
44.6 °FAverage September
66.5 °FHighest 12 September, 2025
91.4 °F
Climate (2020–Present)
Marysville Municipal Airport (23.6 miles)
Average Low 2020–2025
43.3 °FAverage 2020–2025
54.4 °FAverage High 2020–2025
65.8 °F