As of 20:16 CDT

McKinney, TX weather in March

90°

McKinney, Saturday, 8 August, 20:16

Partly cloudy. Feels like 94°. High 101°, low 80°.

Pressure29.94 inHg

Wind23 mph SE

Humidity46%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In March, McKinney, TX averages a high of 66.6° and a low of 48.4°. About 4.2 inches of precipitation fall over the month (9 wet days). The record high is 91.8° (1974) and the record low 17.1° (2014). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.8°	44.2°	32%	84.6° (2006)	21.7° (1962)
2	62.4°	44.6°	33%	84° (1976)	19.9° (1980)
3	62.2°	43.9°	38%	80.6° (1976)	17.1° (2014)
4	63.7°	44.4°	25%	82.4° (2013)	19.4° (2019)
5	64.2°	44.1°	25%	85.5° (1991)	21.2° (2019)
6	64°	44.1°	17%	82.2° (1991)	23.2° (1989)
7	64.9°	46.4°	20%	81.9° (1972)	25.2° (1989)
8	63.3°	46.2°	40%	77.7° (2011)	24.6° (2008)
9	64.2°	47.3°	33%	79.2° (1993)	23.4° (1996)
10	65.5°	45.9°	17%	80.6° (2006)	25.5° (1998)
11	66.2°	48.2°	35%	83.8° (1985)	26.2° (1998)
12	66.4°	48.7°	32%	85.6° (1967)	25.2° (2022)
13	66.2°	48.7°	33%	85.6° (1967)	29.5° (1993)
14	67.3°	48.6°	32%	86.7° (1967)	27.3° (1975)
15	66.4°	48.9°	28%	78.4° (1982)	31.1° (1962)
16	66.6°	49.1°	28%	79.7° (2018)	31.1° (1960)
17	68.7°	49.8°	30%	81.3° (2025)	27.1° (1960)
18	68.4°	51.1°	33%	82.4° (2011)	30.4° (1960)
19	67.6°	49.6°	28%	82° (1994)	26.8° (1965)
20	67.1°	48.7°	32%	87.3° (2017)	23.2° (1965)
21	67.1°	48.4°	27%	84.4° (2017)	28.2° (1965)
22	68.4°	49.3°	25%	86.4° (1995)	30.9° (2002)
23	68.7°	50.9°	25%	84.2° (1972)	30.7° (1968)
24	68.9°	50.4°	38%	82° (1972)	32.7° (2006)
25	67.8°	50°	28%	86.7° (2025)	32.2° (1974)
26	68.4°	50.5°	37%	84.9° (2011)	28.8° (1965)
27	69.1°	51.4°	38%	84.9° (2022)	35.2° (1965)
28	69.4°	52.3°	45%	85.8° (1963)	34.5° (2009)
29	69.1°	52.7°	37%	89.1° (1967)	32.9° (1987)
30	69.1°	52.2°	30%	84.7° (1963)	29.7° (1987)
31	70.5°	51.3°	23%	91.8° (1974)	31.1° (1987)