McAllen, TX 14-Day Forecast
Texas, United States 🇺🇸
96°
Partly Cloudy right now
Today: high 101°, low 80°
Updated 4 hours ago
McAllen weather for the next 14 days
Tuesday, August 18
Sunny High 101° Low 79°Precipitation
3%
· 0.0 in
Max wind
18 mph
Humidity
54%
UV index
11 - Very High
Sunrise / sunset
07:06 AM / 08:06 PM
Wednesday, August 19
Overcast High 102° Low 81°Precipitation
9%
· 0.0 in
Max wind
20 mph
Humidity
57%
UV index
10 - Very High
Sunrise / sunset
07:07 AM / 08:05 PM
Thursday, August 20
Cloudy High 103° Low 81°Precipitation
7%
· 0.0 in
Max wind
20 mph
Humidity
56%
UV index
10 - Very High
Sunrise / sunset
07:07 AM / 08:04 PM
Friday, August 21
Overcast High 102° Low 81°Precipitation
9%
· 0.0 in
Max wind
19 mph
Humidity
58%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 08:03 PM
Saturday, August 22
Overcast High 101° Low 80°Precipitation
12%
· 0.0 in
Max wind
18 mph
Humidity
57%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 08:02 PM
Sunday, August 23
Overcast High 103° Low 79°Precipitation
10%
· 0.0 in
Max wind
16 mph
Humidity
53%
UV index
8 - Very High
Sunrise / sunset
07:09 AM / 08:02 PM
Monday, August 24
Sunny High 104° Low 79°Precipitation
3%
· 0.0 in
Max wind
22 mph
Humidity
57%
UV index
10 - Very High
Sunrise / sunset
07:09 AM / 08:01 PM
Tuesday, August 25
Sunny High 102° Low 80°Precipitation
4%
· 0.0 in
Max wind
22 mph
Humidity
57%
UV index
9 - Very High
Sunrise / sunset
07:09 AM / 08:00 PM
Wednesday, August 26
Sunny High 103° Low 80°Precipitation
3%
· 0.0 in
Max wind
23 mph
Humidity
58%
UV index
9 - Very High
Sunrise / sunset
07:10 AM / 07:59 PM
Thursday, August 27
Sunny High 103° Low 80°Precipitation
5%
· 0.0 in
Max wind
20 mph
Humidity
58%
UV index
9 - Very High
Sunrise / sunset
07:10 AM / 07:58 PM
Friday, August 28
Sunny High 102° Low 80°Precipitation
5%
· 0.0 in
Max wind
20 mph
Humidity
61%
UV index
9 - Very High
Sunrise / sunset
07:11 AM / 07:57 PM
Saturday, August 29
Sunny High 102° Low 81°Precipitation
7%
· 0.0 in
Max wind
20 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:11 AM / 07:56 PM
Sunday, August 30
Sunny High 105° Low 79°Precipitation
62%
· 0.26 in
Max wind
17 mph
Humidity
63%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:54 PM
McAllen 14-day outlook: the story
The warmest day of McAllen's 14-day outlook is Sunday, August 30 with a high near 105°F (41°C); the coolest night comes Tuesday, August 18, dipping to 79°F (26°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 102°F (39°C), about 4°F (2°C) above the typical August high of 98°F (36°C).
Precipitation is most likely on Sunday 30; the wettest day looks like Sunday, August 30 with about 0.26 in (6.7 mm) expected. For the weekend, expect Saturday 101°F (38°C) and overcast / Sunday 103°F (39°C) and overcast.
For typical conditions month by month, see the McAllen climate & average temperatures guide.
McAllen forecast questions
Will it rain in McAllen this week?
The forecast currently shows meaningful precipitation chances on 1 of the next 14 days, peaking around Sunday, August 30.
What will be the warmest day in McAllen over the next 14 days?
Sunday, August 30, with a forecast high near 105°F (41°C).
How accurate is a 14-day forecast for McAllen?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in McAllen by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 71° | 53° | 6 | 1.3 in | 7.4 h/day | 68% |
| February | 76° | 57° | 5 | 1.0 in | 8.2 h/day | 69% |
| March | 82° | 64° | 6 | 1.9 in | 8.5 h/day | 69% |
| April | 87° | 69° | 8 | 2.4 in | 9.7 h/day | 69% |
| May | 91° | 74° | 10 | 3.3 in | 11.2 h/day | 72% |
| June | 94° | 77° | 10 | 3.4 in | 12.0 h/day | 70% |
| July | 96° | 79° | 7 | 3.3 in | 12.1 h/day | 67% |
| August | 98° | 80° | 8 | 1.7 in | 12.2 h/day | 65% |
| September | 92° | 76° | 12 | 3.6 in | 10.4 h/day | 71% |
| October | 88° | 70° | 8 | 2.5 in | 9.7 h/day | 68% |
| November | 79° | 62° | 8 | 2.2 in | 7.9 h/day | 71% |
| December | 75° | 57° | 5 | 1.1 in | 7.5 h/day | 71% |
14-day forecasts nearby