Lyon Weather Forecast
- 63
- 85
Chance Thunderstorms
- 72
- 88
Mostly Sunny
- 70
- 95
Slight Chance Thunderstorms
- 70
- 94
Slight Chance Thunderstorms
- 64
- 89
Chance Rain Showers
- 61
- 86
Chance Rain Showers
Today 13 Sep Franklin
Mostly cloudy in the Morning, then mostly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Light and variable Winds, becoming north around 5 Mph in the afternoon. Chance of rain 20 percent.
Tonight 13 Sep Franklin
Partly cloudy. Near steady temperature in the upper 60s. Light and variable Winds.
Lyon Temperature Statistics
September Temperature
Washington Regional Airport (10.6 miles)
Lowest 8 September, 2026
62.6 °FAverage September
82.2 °FHighest 5 September, 2026
102.2 °F
Climate (2021–2026)
Washington Regional Airport (10.6 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.5 °FAverage High 2021–2026
69.7 °F