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Weather McKinney: Current forecast

McKinney / Texas (TX) / United States

34.4 °C
Feels like 35.8 °C
Min 25 °C / Max 38 °C
Weather McKinney: Sunny, 34 °C Sunny
20.5 km/h SSW
Wind
27.7 km/h SSW
Gusts
1015 hPa
Pressure
0 mm
Precipitation
45 %
Humidity
1.8
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort Moderate
Ragweed None
06:30 / 20:35
Sunrise / Sunset
11:03 / 23:25
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 1:16 CEST Jul 18, 2026, 18:16 CDT

Today's Summary

If you head out in McKinney today, you'll see a sunny sky. The thermometer currently shows 34.4°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 25°C and 37.8°C.

Hourly forecast – McKinney, today

Jul 18, 19:00
31 °C
Clear
McKinney Jul 18, 19:00: Clear, 31 °C
Jul 18, 20:00
30 °C
Clear
McKinney Jul 18, 20:00: Clear, 30 °C
Jul 18, 21:00
29 °C
Clear
McKinney Jul 18, 21:00: Clear, 29 °C
Jul 18, 22:00
28 °C
Clear
McKinney Jul 18, 22:00: Clear, 28 °C
Jul 18, 23:00
27 °C
Clear
McKinney Jul 18, 23:00: Clear, 27 °C
Jul 19, 00:00
27 °C
Clear
McKinney Jul 19, 00:00: Clear, 27 °C
Jul 19, 01:00
27 °C
Clear
McKinney Jul 19, 01:00: Clear, 27 °C
Jul 19, 02:00
26 °C
Clear
McKinney Jul 19, 02:00: Clear, 26 °C
Jul 19, 03:00
26 °C
Clear
McKinney Jul 19, 03:00: Clear, 26 °C
Jul 19, 04:00
25 °C
Clear
McKinney Jul 19, 04:00: Clear, 25 °C
Jul 19, 05:00
25 °C
Sunny
McKinney Jul 19, 05:00: Sunny, 25 °C
Jul 19, 06:00
26 °C
Sunny
McKinney Jul 19, 06:00: Sunny, 26 °C
Jul 19, 07:00
28 °C
Sunny
McKinney Jul 19, 07:00: Sunny, 28 °C
Jul 19, 08:00
30 °C
Sunny
McKinney Jul 19, 08:00: Sunny, 30 °C
Jul 19, 09:00
32 °C
Sunny
McKinney Jul 19, 09:00: Sunny, 32 °C
Jul 19, 10:00
33 °C
Sunny
McKinney Jul 19, 10:00: Sunny, 33 °C
Jul 19, 11:00
34 °C
Sunny
McKinney Jul 19, 11:00: Sunny, 34 °C
Jul 19, 12:00
35 °C
Sunny
McKinney Jul 19, 12:00: Sunny, 35 °C
Jul 19, 13:00
36 °C
Sunny
McKinney Jul 19, 13:00: Sunny, 36 °C
Jul 19, 14:00
36 °C
Sunny
McKinney Jul 19, 14:00: Sunny, 36 °C
Jul 19, 15:00
37 °C
Sunny
McKinney Jul 19, 15:00: Sunny, 37 °C
Jul 19, 16:00
36 °C
Sunny
McKinney Jul 19, 16:00: Sunny, 36 °C
Jul 19, 17:00
35 °C
Sunny
McKinney Jul 19, 17:00: Sunny, 35 °C
Jul 19, 18:00
32 °C
Sunny
McKinney Jul 19, 18:00: Sunny, 32 °C
Time
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
McKinney Jul 18, 19:00: Clear
McKinney Jul 18, 20:00: Clear
McKinney Jul 18, 21:00: Clear
McKinney Jul 18, 22:00: Clear
McKinney Jul 18, 23:00: Clear
McKinney Jul 19, 00:00: Clear
McKinney Jul 19, 01:00: Clear
McKinney Jul 19, 02:00: Clear
McKinney Jul 19, 03:00: Clear
McKinney Jul 19, 04:00: Clear
McKinney Jul 19, 05:00: Sunny
McKinney Jul 19, 06:00: Sunny
McKinney Jul 19, 07:00: Sunny
McKinney Jul 19, 08:00: Sunny
McKinney Jul 19, 09:00: Sunny
McKinney Jul 19, 10:00: Sunny
McKinney Jul 19, 11:00: Sunny
McKinney Jul 19, 12:00: Sunny
McKinney Jul 19, 13:00: Sunny
McKinney Jul 19, 14:00: Sunny
McKinney Jul 19, 15:00: Sunny
McKinney Jul 19, 16:00: Sunny
McKinney Jul 19, 17:00: Sunny
McKinney Jul 19, 18:00: Sunny
Temperature (°C)
Chance of rain (%)
1
1
2
3
3
4
5
7
8
10
9
8
5
3
3
2
1
1
1
1
1
1
1
1
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (km/h)
S
13
S
13
SSW
13
S
14
S
14
S
14
S
14
SSW
15
SSW
14
SSW
13
S
12
S
13
SSW
18
SSW
18
SSW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
16
SSW
17
SSW
14
SSW
12
Pressure (hPa)
1013
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1014
1013
1013
1012
1012
1011
1012
Humidity (%)
44 %
48 %
55 %
57 %
59 %
66 %
69 %
73 %
78 %
82 %
78 %
74 %
64 %
57 %
51 %
46 %
41 %
38 %
35 %
32 %
31 %
30 %
34 %
38 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
15 %
15 %
13 %
16 %
17 %
16 %
13 %
10 %
14 %
11 %
8 %
6 %
4 %
4 %

14-day weather forecast – McKinney

14-day trend for McKinney: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 23.9°C at night, with daytime highs up to 42.4°C.

Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
McKinney July 18, 2026: Sunny
McKinney July 19, 2026: Sunny
McKinney July 20, 2026: Sunny
McKinney July 21, 2026: Sunny
McKinney July 22, 2026: Sunny
McKinney July 23, 2026: Sunny
McKinney July 24, 2026: Sunny
McKinney July 25, 2026: Sunny
McKinney July 26, 2026: Sunny
McKinney July 27, 2026: Sunny
McKinney July 28, 2026: Sunny
McKinney July 29, 2026: Sunny
McKinney July 30, 2026: Sunny
McKinney July 31, 2026: Sunny
Temperature (°C)
Chance of rain (%)
3
2
1
1
1
2
1
1
1
1
1
1
36
36
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
0.4 mm
0.5 mm
Wind max (km/h)
23
18
16
17
13
16
20
25
25
26
26
20
18
21
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 McKinney July 18, 2026: Sunny Sunny 25 °C 38 °C 06:30 20:35 11:03 23:25 Waxing Crescent (23 %)
July 19, 2026 McKinney July 19, 2026: Sunny Sunny 25 °C 37 °C 06:30 20:34 12:09 23:54 First Quarter (33 %)
July 20, 2026 McKinney July 20, 2026: Sunny Sunny 25 °C 38 °C 06:31 20:34 13:14 Does not set today First Quarter (43 %)
July 21, 2026 McKinney July 21, 2026: Sunny Sunny 26 °C 40 °C 06:32 20:33 14:18 00:24 First Quarter (53 %)
July 22, 2026 McKinney July 22, 2026: Sunny Sunny 27 °C 41 °C 06:32 20:33 15:21 00:56 First Quarter (64 %)
July 23, 2026 McKinney July 23, 2026: Sunny Sunny 28 °C 40 °C 06:33 20:32 16:23 01:32 Waxing Moon (74 %)
July 24, 2026 McKinney July 24, 2026: Sunny Sunny 29 °C 40 °C 06:34 20:31 17:23 02:14 Waxing Moon (82 %)
July 25, 2026 McKinney July 25, 2026: Sunny Sunny 29 °C 41 °C 06:34 20:31 18:17 03:01 Waxing Moon (90 %)
July 26, 2026 McKinney July 26, 2026: Sunny Sunny 28 °C 41 °C 06:35 20:30 19:06 03:53 Waxing Moon (95 %)
July 27, 2026 McKinney July 27, 2026: Sunny Sunny 29 °C 42 °C 06:36 20:29 19:48 04:49 Full Moon (99 %)
July 28, 2026 McKinney July 28, 2026: Sunny Sunny 29 °C 42 °C 06:36 20:29 20:24 05:48 Full Moon (100 %)
July 29, 2026 McKinney July 29, 2026: Sunny Sunny 24 °C 41 °C 06:37 20:28 20:56 06:46 Full Moon (99 %)
July 30, 2026 McKinney July 30, 2026: Sunny Sunny 25 °C 42 °C 06:38 20:27 21:24 07:44 Waning Moon (96 %)
July 31, 2026 McKinney July 31, 2026: Sunny Sunny 26 °C 41 °C 06:38 20:26 21:49 08:40 Waning Moon (91 %)
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