McKinney, TX Weather History | Weather Underground

Summary

Temperature (°F)	Max	Average	Min
Max Temperature	101	97.5	87
Avg Temperature	89.63	86.62	81.47
Min Temperature	80	76.4	69

Precipitation (in)	Max	Average	Min	Sum
Precipitation	0.06	0	0	0.06

Dew Point (°F)	Max	Average	Min
Dew Point	73.21	69.63	63.76

Wind (mph)	Max	Average	Min
Wind	24	14.2	8
Gust Wind	31	20.59	16

Sea Level Pressure (in)	Max	Average	Min
Sea Level Pressure	29.55	29.36	29.24

Date	Temp High/Low	Dew Pt High/Low	Humidity	Max Wind	Wind Gust	Pressure	Precip.
9/1/2026	100 °F / 78 °F	72 °F / 65 °F	52 %	9 mph	-	29.37 in	0 in
9/2/2026	99 °F / 76 °F	73 °F / 66 °F	58 %	15 mph	-	29.33 in	0 in
9/3/2026	91 °F / 75 °F	77 °F / 69 °F	80 %	17 mph	-	29.3 in	0.06 in
9/4/2026	97 °F / 75 °F	76 °F / 66 °F	67 %	13 mph	-	29.31 in	0 in
9/5/2026	98 °F / 76 °F	73 °F / 65 °F	60 %	14 mph	-	29.3 in	0 in
9/6/2026	98 °F / 76 °F	76 °F / 67 °F	62 %	15 mph	-	29.29 in	0 in
9/7/2026	100 °F / 75 °F	73 °F / 67 °F	58 %	15 mph	-	29.31 in	0 in
9/8/2026	100 °F / 79 °F	74 °F / 66 °F	56 %	13 mph	-	29.39 in	0 in
9/9/2026	99 °F / 80 °F	74 °F / 65 °F	56 %	17 mph	-	29.44 in	0 in
9/10/2026	97 °F / 76 °F	73 °F / 67 °F	63 %	14 mph	-	29.34 in	0 in
9/11/2026	98 °F / 75 °F	73 °F / 69 °F	67 %	24 mph	-	29.23 in	0 in
9/12/2026	101 °F / 74 °F	75 °F / 67 °F	64 %	14 mph	-	29.26 in	0 in
9/13/2026	99 °F / 79 °F	74 °F / 63 °F	56 %	15 mph	-	29.35 in	0 in
9/14/2026	99 °F / 77 °F	73 °F / 66 °F	57 %	18 mph	-	29.37 in	0 in
9/15/2026	99 °F / 79 °F	74 °F / 66 °F	55 %	18 mph	-	29.4 in	0 in
9/16/2026	98 °F / 79 °F	74 °F / 65 °F	56 %	15 mph	-	29.52 in	0 in
9/17/2026	98 °F / 77 °F	72 °F / 65 °F	57 %	10 mph	-	29.55 in	0 in
9/18/2026	96 °F / 74 °F	69 °F / 62 °F	56 %	10 mph	-	29.48 in	0 in
9/19/2026	95 °F / 69 °F	69 °F / 58 °F	53 %	12 mph	-	29.35 in	0 in
9/20/2026	82 °F / 79 °F	67 °F / 66 °F	62 %	12 mph	-	29.3 in	0 in