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Weather McAllen: Current forecast

McAllen / Texas (TX) / United States

36.7 °C
Feels like 40.7 °C
Min 27 °C / Max 40 °C
Weather McAllen: Sunny, 37 °C Sunny
34.9 km/h SE
Wind
40.2 km/h SE
Gusts
1015 hPa
Pressure
0 mm
Precipitation
41 %
Humidity
1.9
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
06:51 / 20:26
Sunrise / Sunset
11:11 / 23:33
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 McAllen today, you'll see a sunny sky. The thermometer currently shows 36.7°C. With wind from the south-east, it feels noticeably colder, around 40.7°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 26.6°C and 40.3°C.

Hourly forecast – McAllen, today

Jul 18, 19:00
31 °C
Clear
McAllen Jul 18, 19:00: Clear, 31 °C
Jul 18, 20:00
30 °C
Clear
McAllen Jul 18, 20:00: Clear, 30 °C
Jul 18, 21:00
29 °C
Clear
McAllen Jul 18, 21:00: Clear, 29 °C
Jul 18, 22:00
29 °C
Cloudy
McAllen Jul 18, 22:00: Cloudy, 29 °C
Jul 18, 23:00
28 °C
Partly cloudy
McAllen Jul 18, 23:00: Partly cloudy, 28 °C
Jul 19, 00:00
28 °C
Clear
McAllen Jul 19, 00:00: Clear, 28 °C
Jul 19, 01:00
27 °C
Partly cloudy
McAllen Jul 19, 01:00: Partly cloudy, 27 °C
Jul 19, 02:00
28 °C
Partly cloudy
McAllen Jul 19, 02:00: Partly cloudy, 28 °C
Jul 19, 03:00
27 °C
Partly cloudy
McAllen Jul 19, 03:00: Partly cloudy, 27 °C
Jul 19, 04:00
27 °C
Partly cloudy
McAllen Jul 19, 04:00: Partly cloudy, 27 °C
Jul 19, 05:00
25 °C
Sunny
McAllen Jul 19, 05:00: Sunny, 25 °C
Jul 19, 06:00
27 °C
Sunny
McAllen Jul 19, 06:00: Sunny, 27 °C
Jul 19, 07:00
29 °C
Sunny
McAllen Jul 19, 07:00: Sunny, 29 °C
Jul 19, 08:00
31 °C
Sunny
McAllen Jul 19, 08:00: Sunny, 31 °C
Jul 19, 09:00
34 °C
Sunny
McAllen Jul 19, 09:00: Sunny, 34 °C
Jul 19, 10:00
36 °C
Sunny
McAllen Jul 19, 10:00: Sunny, 36 °C
Jul 19, 11:00
37 °C
Sunny
McAllen Jul 19, 11:00: Sunny, 37 °C
Jul 19, 12:00
38 °C
Sunny
McAllen Jul 19, 12:00: Sunny, 38 °C
Jul 19, 13:00
39 °C
Sunny
McAllen Jul 19, 13:00: Sunny, 39 °C
Jul 19, 14:00
39 °C
Sunny
McAllen Jul 19, 14:00: Sunny, 39 °C
Jul 19, 15:00
38 °C
Sunny
McAllen Jul 19, 15:00: Sunny, 38 °C
Jul 19, 16:00
36 °C
Sunny
McAllen Jul 19, 16:00: Sunny, 36 °C
Jul 19, 17:00
34 °C
Sunny
McAllen Jul 19, 17:00: Sunny, 34 °C
Jul 19, 18:00
32 °C
Sunny
McAllen 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
McAllen Jul 18, 19:00: Clear
McAllen Jul 18, 20:00: Clear
McAllen Jul 18, 21:00: Clear
McAllen Jul 18, 22:00: Cloudy
McAllen Jul 18, 23:00: Partly cloudy
McAllen Jul 19, 00:00: Clear
McAllen Jul 19, 01:00: Partly cloudy
McAllen Jul 19, 02:00: Partly cloudy
McAllen Jul 19, 03:00: Partly cloudy
McAllen Jul 19, 04:00: Partly cloudy
McAllen Jul 19, 05:00: Sunny
McAllen Jul 19, 06:00: Sunny
McAllen Jul 19, 07:00: Sunny
McAllen Jul 19, 08:00: Sunny
McAllen Jul 19, 09:00: Sunny
McAllen Jul 19, 10:00: Sunny
McAllen Jul 19, 11:00: Sunny
McAllen Jul 19, 12:00: Sunny
McAllen Jul 19, 13:00: Sunny
McAllen Jul 19, 14:00: Sunny
McAllen Jul 19, 15:00: Sunny
McAllen Jul 19, 16:00: Sunny
McAllen Jul 19, 17:00: Sunny
McAllen Jul 19, 18:00: Sunny
Temperature (°C)
Chance of rain (%)
4
7
8
17
10
10
15
16
13
14
13
10
6
3
1
1
1
1
1
1
1
1
1
2
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (km/h)
SE
30
SE
29
SE
28
SSE
27
SSE
25
SSE
24
SSE
23
SSE
23
SSE
21
SE
19
SE
18
SSE
20
SSE
25
SSE
27
SSE
29
SSE
31
SSE
32
SSE
32
SSE
32
SE
32
SE
33
SE
35
SE
33
SE
30
Pressure (hPa)
1014
1014
1015
1015
1015
1015
1014
1014
1013
1014
1014
1014
1015
1015
1015
1014
1014
1013
1012
1011
1011
1011
1012
1012
Humidity (%)
62 %
71 %
76 %
77 %
77 %
80 %
82 %
82 %
84 %
86 %
87 %
81 %
69 %
56 %
43 %
35 %
29 %
27 %
25 %
24 %
26 %
32 %
40 %
49 %
Cloud cover (%)
4 %
16 %
16 %
74 %
27 %
12 %
52 %
62 %
26 %
27 %
16 %
13 %
12 %
2 %
2 %
3 %
3 %
6 %
6 %
5 %
4 %
10 %
9 %
1 %

14-day weather forecast – McAllen

14-day trend for McAllen: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 23.8°C at night, with daytime highs up to 40.3°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
McAllen July 18, 2026: Sunny
McAllen July 19, 2026: Sunny
McAllen July 20, 2026: Sunny
McAllen July 21, 2026: Sunny
McAllen July 22, 2026: Sunny
McAllen July 23, 2026: Sunny
McAllen July 24, 2026: Sunny
McAllen July 25, 2026: Sunny
McAllen July 26, 2026: Sunny
McAllen July 27, 2026: Sunny
McAllen July 28, 2026: Sunny
McAllen July 29, 2026: Sunny
McAllen July 30, 2026: Sunny
McAllen July 31, 2026: Sunny
Temperature (°C)
Chance of rain (%)
4
3
2
3
5
3
2
2
3
3
3
4
3
3
Precipitation
—
—
—
—
0 mm
—
—
—
—
—
—
—
—
—
Wind max (km/h)
35
35
31
32
31
31
31
30
30
32
30
30
31
33
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 McAllen July 18, 2026: Sunny Sunny 27 °C 40 °C 06:51 20:26 11:11 23:33 Waxing Crescent (23 %)
July 19, 2026 McAllen July 19, 2026: Sunny Sunny 25 °C 39 °C 06:52 20:26 12:12 Does not set today First Quarter (33 %)
July 20, 2026 McAllen July 20, 2026: Sunny Sunny 24 °C 40 °C 06:52 20:26 13:12 00:06 First Quarter (43 %)
July 21, 2026 McAllen July 21, 2026: Sunny Sunny 24 °C 39 °C 06:53 20:25 14:12 00:40 First Quarter (53 %)
July 22, 2026 McAllen July 22, 2026: Sunny Sunny 25 °C 38 °C 06:53 20:25 15:12 01:17 First Quarter (64 %)
July 23, 2026 McAllen July 23, 2026: Sunny Sunny 25 °C 39 °C 06:54 20:24 16:11 01:56 Waxing Moon (74 %)
July 24, 2026 McAllen July 24, 2026: Sunny Sunny 24 °C 39 °C 06:54 20:24 17:08 02:40 Waxing Moon (82 %)
July 25, 2026 McAllen July 25, 2026: Sunny Sunny 25 °C 40 °C 06:55 20:23 18:02 03:29 Waxing Moon (90 %)
July 26, 2026 McAllen July 26, 2026: Sunny Sunny 26 °C 39 °C 06:55 20:23 18:52 04:21 Waxing Moon (95 %)
July 27, 2026 McAllen July 27, 2026: Sunny Sunny 26 °C 40 °C 06:56 20:22 19:36 05:16 Full Moon (99 %)
July 28, 2026 McAllen July 28, 2026: Sunny Sunny 26 °C 39 °C 06:56 20:22 20:15 06:12 Full Moon (100 %)
July 29, 2026 McAllen July 29, 2026: Sunny Sunny 26 °C 40 °C 06:57 20:21 20:50 07:07 Full Moon (99 %)
July 30, 2026 McAllen July 30, 2026: Sunny Sunny 26 °C 40 °C 06:57 20:21 21:22 08:01 Waning Moon (96 %)
July 31, 2026 McAllen July 31, 2026: Sunny Sunny 26 °C 39 °C 06:58 20:20 21:51 08:54 Waning Moon (91 %)
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