McAllen, TX 14-Day Forecast
Texas, United States 🇺🇸
92°
Sunny right now
Today: high 100°, low 80°
Updated just now
McAllen weather for the next 14 days
Wednesday, September 16
Overcast High 100° Low 79°Precipitation
13%
· 0.0 in
Max wind
20 mph
Humidity
61%
UV index
9 - Very High
Sunrise / sunset
07:19 AM / 07:36 PM
Thursday, September 17
Overcast High 99° Low 80°Precipitation
49%
· 0.04 in
Max wind
17 mph
Humidity
64%
UV index
9 - Very High
Sunrise / sunset
07:19 AM / 07:35 PM
Friday, September 18
Partly Cloudy High 96° Low 79°Precipitation
41%
· 0.04 in
Max wind
19 mph
Humidity
63%
UV index
9 - Very High
Sunrise / sunset
07:19 AM / 07:34 PM
Saturday, September 19
Sunny High 98° Low 77°Precipitation
4%
· 0.0 in
Max wind
19 mph
Humidity
62%
UV index
10 - Very High
Sunrise / sunset
07:20 AM / 07:33 PM
Sunday, September 20
Sunny High 99° Low 77°Precipitation
2%
· 0.0 in
Max wind
19 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
07:20 AM / 07:32 PM
Monday, September 21
Sunny High 100° Low 79°Precipitation
3%
· 0.0 in
Max wind
19 mph
Humidity
58%
UV index
9 - Very High
Sunrise / sunset
07:21 AM / 07:30 PM
Tuesday, September 22
Sunny High 100° Low 78°Precipitation
3%
· 0.0 in
Max wind
20 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:21 AM / 07:29 PM
Wednesday, September 23
Sunny High 99° Low 78°Precipitation
4%
· 0.0 in
Max wind
19 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:21 AM / 07:28 PM
Thursday, September 24
Sunny High 100° Low 79°Precipitation
3%
· 0.0 in
Max wind
16 mph
Humidity
58%
UV index
9 - Very High
Sunrise / sunset
07:22 AM / 07:27 PM
Friday, September 25
Sunny High 97° Low 78°Precipitation
3%
· 0.0 in
Max wind
17 mph
Humidity
53%
UV index
9 - Very High
Sunrise / sunset
07:22 AM / 07:26 PM
Saturday, September 26
Sunny High 102° Low 76°Precipitation
2%
· 0.0 in
Max wind
17 mph
Humidity
50%
UV index
9 - Very High
Sunrise / sunset
07:23 AM / 07:25 PM
Sunday, September 27
Sunny High 99° Low 74°Precipitation
4%
· 0.0 in
Max wind
17 mph
Humidity
53%
UV index
9 - Very High
Sunrise / sunset
07:23 AM / 07:24 PM
Monday, September 28
Sunny High 98° Low 73°Precipitation
2%
· 0.0 in
Max wind
16 mph
Humidity
51%
UV index
9 - Very High
Sunrise / sunset
07:24 AM / 07:23 PM
McAllen 14-day outlook: the story
The warmest day of McAllen's 14-day outlook is Saturday, September 26 with a high near 102°F (39°C); the coolest night comes Monday, September 28, dipping to 73°F (23°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 99°F (37°C), about 7°F (4°C) above the typical September high of 92°F (34°C).
No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 98°F (37°C) and sunny / Sunday 99°F (37°C) and sunny.
For typical conditions month by month, see the McAllen climate & average temperatures guide.
McAllen forecast questions
Will it rain in McAllen this week?
No day in the current 14-day outlook shows a strong rain signal for McAllen.
What will be the warmest day in McAllen over the next 14 days?
Saturday, September 26, with a forecast high near 102°F (39°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