Lancaster Weather Forecast
- 74
- 92
Mostly Sunny
- 75
- 95
Mostly Sunny
- 76
- 98
Hot
- 76
- 98
Hot
- 76
- 99
Slight Chance Thunderstorms
- 75
- 98
Slight Chance Thunderstorms
- 75
- 97
Chance Thunderstorms
Today 28 Jun Smith
Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. West Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 106.
Tonight 28 Jun Smith
Mostly clear. Patchy fog after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Heat index Values up to 106 early in the evening.
Lancaster Temperature Statistics
June Temperature
Sparta Upper Cumberland Regional Airport (18.6 miles)
Lowest 3 June, 2026
50 °FAverage June
72.6 °FHighest 11 June, 2026
89.6 °F
Climate (2021–2026)
Sparta Upper Cumberland Regional Airport (18.6 miles)
Average Low 2021–2026
47.3 °FAverage 2021–2026
59.7 °FAverage High 2021–2026
70.4 °F