McKinney Weather Forecast
- 60
- 69
Chance Thunderstorms
- 53
- 66
Rain Showers Likely
- 47
- 59
Rain Showers
- 51
- 72
Mostly Sunny
- 55
- 76
Mostly Sunny
- 64
- 81
Mostly Cloudy
- 68
- 85
Slight Chance Thunderstorms
Today 29 Apr Collin
Mostly cloudy with a 40 percent chance of Showers and Thunderstorms. Much cooler with Highs in the upper 60s. Northeast Winds around 10 Mph.
Tonight 29 Apr Collin
Mostly cloudy. A 30 percent chance of Showers and Thunderstorms this evening. Lows around 60. Northeast Winds 5 to 10 Mph.
McKinney Temperature Statistics
April Temperature
McKinney - McKinney National Airport (3.1 miles)
Lowest 19 April, 2026
37.9 °FAverage April
69 °FHighest 1 April, 2026
85.6 °F
Climate (2021–Present)
McKinney - McKinney National Airport (3.1 miles)
Average Low 2021–2026
56.4 °FAverage 2021–2026
67.2 °FAverage High 2021–2026
78.2 °F