Mount Joy Weather Forecast
- 24
- 35
Becoming Sunny
- 23
- 36
Mostly Cloudy
- 22
- 40
Chance Snow
- 17
- 29
Partly Sunny
- 19
- 30
Mostly Cloudy
- 22
- 36
Mostly Cloudy
Today 11 Dec Lancaster
Mostly sunny. Highs in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 40 Mph.
Tonight 11 Dec Lancaster
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.
Mount Joy Temperature Statistics
December Temperature
Lancaster, Lancaster Airport (10.6 miles)
Lowest 8 December, 2025
18 °FAverage December
30.6 °FHighest 1 December, 2025
41 °F
Climate (2020–Present)
Lancaster, Lancaster Airport (10.6 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
55.8 °FAverage High 2020–2025
65.4 °F