McKinney Weather Forecast
- 76
- 94
Slight Chance Thunderstorms
- 67
- 88
Rain Showers
- 65
- 80
Chance Rain Showers
- 72
- 87
Mostly Sunny
- 78
- 94
Mostly Sunny
- 78
- 97
Chance Rain Showers
Today 13 Jun Collin
Mostly sunny. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon.
Tonight 13 Jun Collin
Mostly clear in the Evening, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.
McKinney Temperature Statistics
June Temperature
McKinney - McKinney National Airport (3.1 miles)
Lowest 3 June, 2026
69.7 °FAverage June
82.2 °FHighest 8 June, 2026
93.7 °F
Climate (2021–Present)
McKinney - McKinney National Airport (3.1 miles)
Average Low 2021–2026
56.5 °FAverage 2021–2026
67.3 °FAverage High 2021–2026
78.3 °F