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Weather McKinney: Current forecast

McKinney / Texas (TX) / United States

31.1 °C
Feels like 31.8 °C
Min 26 °C / Max 39 °C
Weather McKinney: Patchy rain possible, 31 °C Patchy rain possible
17.3 km/h SSE
Wind
32.1 km/h SSE
Gusts
1014 hPa
Pressure
0.1 mm
Precipitation
44 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Moderate
Mugwort High
Ragweed High
07:00 / 19:52
Sunrise / Sunset
22:07 / 11:22
Moonrise / Moonset
Waning Moon (70 %)
Moon phase

Updated: Sep 2, 2026, 5:41 CEST Sep 1, 2026, 22:41 CDT

Today's Summary

In McKinney the weather today is patchy rain possible. The thermometer currently shows 31.1°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 26°C and 38.9°C.

Hourly forecast – McKinney, today

Sep 1, 23:00
29 °C
Patchy rain possible
McKinney Sep 1, 23:00: Patchy rain possible, 29 °C
Sep 2, 00:00
28 °C
Patchy rain possible
McKinney Sep 2, 00:00: Patchy rain possible, 28 °C
Sep 2, 01:00
27 °C
Patchy rain possible
McKinney Sep 2, 01:00: Patchy rain possible, 27 °C
Sep 2, 02:00
27 °C
Patchy rain possible
McKinney Sep 2, 02:00: Patchy rain possible, 27 °C
Sep 2, 03:00
26 °C
Patchy rain possible
McKinney Sep 2, 03:00: Patchy rain possible, 26 °C
Sep 2, 04:00
26 °C
Clear
McKinney Sep 2, 04:00: Clear, 26 °C
Sep 2, 05:00
26 °C
Clear
McKinney Sep 2, 05:00: Clear, 26 °C
Sep 2, 06:00
25 °C
Sunny
McKinney Sep 2, 06:00: Sunny, 25 °C
Sep 2, 07:00
28 °C
Sunny
McKinney Sep 2, 07:00: Sunny, 28 °C
Sep 2, 08:00
30 °C
Sunny
McKinney Sep 2, 08:00: Sunny, 30 °C
Sep 2, 09:00
32 °C
Sunny
McKinney Sep 2, 09:00: Sunny, 32 °C
Sep 2, 10:00
33 °C
Sunny
McKinney Sep 2, 10:00: Sunny, 33 °C
Sep 2, 11:00
35 °C
Sunny
McKinney Sep 2, 11:00: Sunny, 35 °C
Sep 2, 12:00
36 °C
Partly cloudy
McKinney Sep 2, 12:00: Partly cloudy, 36 °C
Sep 2, 13:00
37 °C
Patchy rain possible
McKinney Sep 2, 13:00: Patchy rain possible, 37 °C
Sep 2, 14:00
36 °C
Patchy rain possible
McKinney Sep 2, 14:00: Patchy rain possible, 36 °C
Sep 2, 15:00
35 °C
Partly cloudy
McKinney Sep 2, 15:00: Partly cloudy, 35 °C
Sep 2, 16:00
35 °C
Sunny
McKinney Sep 2, 16:00: Sunny, 35 °C
Sep 2, 17:00
34 °C
Patchy rain possible
McKinney Sep 2, 17:00: Patchy rain possible, 34 °C
Sep 2, 18:00
31 °C
Clear
McKinney Sep 2, 18:00: Clear, 31 °C
Sep 2, 19:00
28 °C
Clear
McKinney Sep 2, 19:00: Clear, 28 °C
Sep 2, 20:00
25 °C
Clear
McKinney Sep 2, 20:00: Clear, 25 °C
Sep 2, 21:00
24 °C
Clear
McKinney Sep 2, 21:00: Clear, 24 °C
Sep 2, 22:00
24 °C
Patchy rain possible
McKinney Sep 2, 22:00: Patchy rain possible, 24 °C
Time
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
McKinney Sep 1, 23:00: Patchy rain possible
McKinney Sep 2, 00:00: Patchy rain possible
McKinney Sep 2, 01:00: Patchy rain possible
McKinney Sep 2, 02:00: Patchy rain possible
McKinney Sep 2, 03:00: Patchy rain possible
McKinney Sep 2, 04:00: Clear
McKinney Sep 2, 05:00: Clear
McKinney Sep 2, 06:00: Sunny
McKinney Sep 2, 07:00: Sunny
McKinney Sep 2, 08:00: Sunny
McKinney Sep 2, 09:00: Sunny
McKinney Sep 2, 10:00: Sunny
McKinney Sep 2, 11:00: Sunny
McKinney Sep 2, 12:00: Partly cloudy
McKinney Sep 2, 13:00: Patchy rain possible
McKinney Sep 2, 14:00: Patchy rain possible
McKinney Sep 2, 15:00: Partly cloudy
McKinney Sep 2, 16:00: Sunny
McKinney Sep 2, 17:00: Patchy rain possible
McKinney Sep 2, 18:00: Clear
McKinney Sep 2, 19:00: Clear
McKinney Sep 2, 20:00: Clear
McKinney Sep 2, 21:00: Clear
McKinney Sep 2, 22:00: Patchy rain possible
Temperature (°C)
Chance of rain (%)
17
17
17
22
23
6
6
5
3
2
1
1
1
3
9
10
4
1
6
1
3
8
9
15
Precipitation
0.1 mm
0.1 mm
0.1 mm
0.1 mm
0.1 mm
0 mm
0 mm
0 mm
0 mm
Wind (km/h)
SE
17
SSE
16
SSE
16
SSE
14
SSE
12
SE
10
SE
10
SE
12
SE
15
SE
15
ESE
14
ESE
14
ESE
16
ESE
15
ESE
15
E
17
SE
28
ESE
28
SE
27
SE
25
SSE
27
SE
25
SE
23
SE
27
Pressure (hPa)
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1015
1014
1013
1012
1011
1011
1010
1011
1011
1012
1013
1014
1014
1014
Humidity (%)
57 %
60 %
66 %
72 %
77 %
70 %
72 %
68 %
60 %
51 %
44 %
39 %
35 %
33 %
30 %
31 %
33 %
35 %
37 %
46 %
60 %
77 %
79 %
82 %
Cloud cover (%)
71 %
88 %
77 %
89 %
77 %
0 %
4 %
4 %
3 %
0 %
0 %
0 %
5 %
44 %
96 %
97 %
59 %
8 %
72 %
6 %
0 %
0 %
0 %
51 %

14-day weather forecast – McKinney

14-day trend for McKinney: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 21.3°C at night, with daytime highs up to 39.9°C.

Date
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
McKinney September 1, 2026: Sunny
McKinney September 2, 2026: Sunny
McKinney September 3, 2026: Patchy rain possible
McKinney September 4, 2026: Sunny
McKinney September 5, 2026: Sunny
McKinney September 6, 2026: Sunny
McKinney September 7, 2026: Overcast
McKinney September 8, 2026: Sunny
McKinney September 9, 2026: Sunny
McKinney September 10, 2026: Sunny
McKinney September 11, 2026: Patchy rain possible
McKinney September 12, 2026: Overcast
McKinney September 13, 2026: Patchy rain possible
McKinney September 14, 2026: Light rain shower
Temperature (°C)
Chance of rain (%)
17
36
36
3
1
3
4
2
2
2
57
84
93
84
Precipitation
0.3 mm
0.5 mm
0.3 mm
0 mm
2 mm
40 mm
26.5 mm
7.7 mm
Wind max (km/h)
25
28
32
21
24
18
25
25
40
34
38
30
22
24
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
September 1, 2026 McKinney September 1, 2026: Sunny Sunny 26 °C 39 °C 07:00 19:52 22:07 11:22 Waning Moon (70 %)
September 2, 2026 McKinney September 2, 2026: Sunny Sunny 24 °C 37 °C 07:01 19:50 22:43 12:26 Last Quarter (60 %)
September 3, 2026 McKinney September 3, 2026: Patchy rain possible Patchy rain possible 23 °C 31 °C 07:02 19:49 23:28 13:32 Last Quarter (50 %)
September 4, 2026 McKinney September 4, 2026: Sunny Sunny 23 °C 36 °C 07:02 19:48 Does not rise today 14:38 Last Quarter (39 %)
September 5, 2026 McKinney September 5, 2026: Sunny Sunny 26 °C 38 °C 07:03 19:46 00:21 15:41 Waning Crescent (29 %)
September 6, 2026 McKinney September 6, 2026: Sunny Sunny 28 °C 39 °C 07:04 19:45 01:24 16:38 Waning Crescent (20 %)
September 7, 2026 McKinney September 7, 2026: Overcast Overcast 29 °C 40 °C 07:04 19:44 02:35 17:27 Waning Crescent (12 %)
September 8, 2026 McKinney September 8, 2026: Sunny Sunny 28 °C 40 °C 07:05 19:42 03:49 18:09 Waning Crescent (6 %)
September 9, 2026 McKinney September 9, 2026: Sunny Sunny 27 °C 39 °C 07:06 19:41 05:04 18:46 New Moon (2 %)
September 10, 2026 McKinney September 10, 2026: Sunny Sunny 27 °C 37 °C 07:06 19:40 06:16 19:18 New Moon (0 %)
September 11, 2026 McKinney September 11, 2026: Patchy rain possible Patchy rain possible 25 °C 36 °C 07:07 19:38 07:27 19:49 New Moon (0 %)
September 12, 2026 McKinney September 12, 2026: Overcast Overcast 22 °C 33 °C 07:08 19:37 08:36 20:20 New Moon (3 %)
September 13, 2026 McKinney September 13, 2026: Patchy rain possible Patchy rain possible 22 °C 24 °C 07:08 19:36 09:45 20:52 Waxing Crescent (8 %)
September 14, 2026 McKinney September 14, 2026: Light rain shower Light rain shower 21 °C 27 °C 07:09 19:34 10:53 21:27 Waxing Crescent (14 %)