Lancaster Weather Forecast
- 68
- 94
Mostly Sunny
- 67
- 93
Mostly Sunny
- 70
- 98
Hot
- 68
- 97
Mostly Sunny
- 67
- 96
Mostly Sunny
- 65
- 93
Slight Chance Thunderstorms
Today 13 Sep Smith
Areas of fog in the morning. Sunny. Highs in the lower 90s. Light and variable Winds, becoming northwest around 5 Mph in the afternoon.
Tonight 13 Sep Smith
Partly cloudy. Patchy fog after midnight. Lows in the upper 60s. Light and variable Winds.
Lancaster Temperature Statistics
September Temperature
Sparta Upper Cumberland Regional Airport (18.6 miles)
Lowest 1 September, 2026
66.2 °FAverage September
79.9 °FHighest 3 September, 2026
98.6 °F
Climate (2021–2026)
Sparta Upper Cumberland Regional Airport (18.6 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
59.8 °FAverage High 2021–2026
70.6 °F