White Horse Weather Forecast
- 67
- 84
Rain Showers
- 59
- 81
Mostly Sunny
- 64
- 82
Slight Chance Thunderstorms
- 68
- 85
Rain Showers
- 61
- 83
Chance Thunderstorms
- 60
- 81
Mostly Sunny
Today 18 Jul Lancaster
Showers likely with a chance of Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Smoke in the Morning, then patchy smoke in the afternoon. Some Thunderstorms may be severe with damaging Winds in the afternoon. Locally heavy rainfall possible in the afternoon. More humid with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain near 100 percent.
Tonight 18 Jul Lancaster
Mostly cloudy. Showers likely with a chance of Thunderstorms in the evening. Some Thunderstorms may be severe with damaging Winds. Locally heavy rainfall possible in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 70 percent.
White Horse Temperature Statistics
July Temperature
Chester County Airport (7.5 miles)
Lowest 13 July, 2026
61.2 °FAverage July
77.3 °FHighest 4 July, 2026
97 °F
Climate (2021–2026)
Chester County Airport (7.5 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
54.4 °FAverage High 2021–2026
63 °F