Roseville Weather Forecast
- 70
- 88
Severe Tstms
- 64
- 86
Chance Thunderstorms
- 57
- 81
Partly Sunny
- 55
- 79
Mostly Sunny
- 57
- 79
Mostly Sunny
- 60
- 81
Partly Sunny
- 67
- 83
Partly Sunny
Today 3 Sep Lancaster
Mostly sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall. Hot. Near steady temperature in the upper 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 3 Sep Lancaster
Mostly cloudy. Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall in the evening. Warm with Lows around 70. West Winds around 5 Mph. Chance of rain 90 percent.
Roseville Temperature Statistics
September Temperature
Lancaster, Lancaster Airport (2.5 miles)
Lowest 1 September, 2026
70 °FAverage September
77.7 °FHighest 1 September, 2026
89.1 °F
Climate (2021–2026)
Lancaster, Lancaster Airport (2.5 miles)
Average Low 2021–2026
45.8 °FAverage 2021–2026
55.5 °FAverage High 2021–2026
65.1 °F