McAllen, TX 14-Day Forecast

Texas, United States 🇺🇸
101°
Sunny right now Today: high 104°, low 80°
Updated 3 hours ago

McAllen weather for the next 14 days

Today

Sunny High 104° Low 80°
Precipitation
3% · 0.0 in
20 mph
11 - Extreme
Sunrise / sunset
07:10 AM / 07:59 PM

Thursday, August 27

Sunny High 103° Low 79°
Precipitation
2% · 0.0 in
Max wind
20 mph
Humidity
53%
UV index
11 - Extreme
Sunrise / sunset
07:10 AM / 07:58 PM

Friday, August 28

Sunny High 103° Low 79°
Precipitation
3% · 0.0 in
Max wind
22 mph
Humidity
54%
UV index
9 - Very High
Sunrise / sunset
07:11 AM / 07:57 PM

Saturday, August 29

Sunny High 101° Low 80°
Precipitation
17% · 0.0 in
Max wind
24 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:11 AM / 07:56 PM

Sunday, August 30

Sunny High 101° Low 80°
Precipitation
6% · 0.0 in
Max wind
20 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:54 PM

Monday, August 31

Partly Cloudy High 101° Low 81°
Precipitation
6% · 0.0 in
Max wind
21 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:53 PM

Tuesday, September 1

Thundery outbreaks in nearby High 102° Low 81°
Precipitation
5% · 0.0 in
Max wind
22 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:52 PM

Wednesday, September 2

Overcast High 98° Low 81°
Precipitation
27% · 0.01 in
Max wind
16 mph
Humidity
64%
UV index
8 - Very High
Sunrise / sunset
07:13 AM / 07:51 PM

Thursday, September 3

Sunny High 102° Low 81°
Precipitation
5% · 0.0 in
Max wind
17 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
07:13 AM / 07:50 PM

Friday, September 4

Sunny High 101° Low 80°
Precipitation
3% · 0.0 in
Max wind
20 mph
Humidity
60%
UV index
9 - Very High
Sunrise / sunset
07:14 AM / 07:49 PM

Saturday, September 5

Sunny High 101° Low 81°
Precipitation
3% · 0.0 in
Max wind
21 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:14 AM / 07:48 PM

Sunday, September 6

Sunny High 102° Low 82°
Precipitation
3% · 0.0 in
Max wind
22 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:15 AM / 07:47 PM

Monday, September 7

Sunny High 101° Low 82°
Precipitation
3% · 0.0 in
Max wind
21 mph
Humidity
60%
UV index
9 - Very High
Sunrise / sunset
07:15 AM / 07:46 PM

Tuesday, September 8

Sunny High 103° Low 80°
Precipitation
7% · 0.0 in
Max wind
22 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
07:15 AM / 07:45 PM

McAllen 14-day outlook: the story

The warmest day of McAllen's 14-day outlook is Wednesday, August 26 with a high near 104°F (40°C); the coolest night comes Thursday, August 27, 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).

No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 101°F (38°C) and sunny / Sunday 101°F (38°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?
Wednesday, August 26, with a forecast high near 104°F (40°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

Monthly averages for McAllen based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
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