Speedwell Weather Forecast
- 68
- 84
Rain Showers
- 59
- 84
Chance Thunderstorms
- 58
- 79
Sunny
- 61
- 80
Partly Sunny
- 63
- 82
Partly Sunny
- 67
- 86
Slight Chance Thunderstorms
Today 21 Jul Lancaster
Showers likely with a chance of Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Some Thunderstorms may be severe with damaging Winds and large hail in the afternoon. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.
Tonight 21 Jul Lancaster
Showers with Thunderstorms likely in the Evening, then a chance of Showers after midnight. Some Thunderstorms may be severe with damaging Winds and large hail in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.
Speedwell Temperature Statistics
July Temperature
Lancaster, Lancaster Airport (6.2 miles)
Lowest 13 July, 2026
63 °FAverage July
78.1 °FHighest 2 July, 2026
102.9 °F
Climate (2021–2026)
Lancaster, Lancaster Airport (6.2 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
55.5 °FAverage High 2021–2026
65.1 °F