This page presents a long range weather forecast for Mcallen in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Mcallen extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
31° / 21°
Thursday
May 2
32° / 23°
Friday
May 3
34° / 23°
Saturday
May 4
33° / 23°
Sunday
May 5
33° / 23°
Monday
May 6
34° / 23°
Tuesday
May 7
37° / 25°
Wednesday
May 8
39° / 25°
Thursday
May 9
44° / 25°
Friday
May 10
29° / 25°
Saturday
May 11
29° / 21°
Sunday
May 12
32° / 23°
Monday
May 13
37° / 23°
Tuesday
May 14
37° / 24°
Wednesday
May 15
36° / 25°
Thursday
May 16
37° / 25°
Friday
May 17
38° / 24°
Saturday
May 18
40° / 24°
Sunday
May 19
41° / 25°
Monday
May 20
37° / 22°
Tuesday
May 21
35° / 24°
Wednesday
May 22
34° / 24°
Thursday
May 23
34° / 24°
Friday
May 24
35° / 24°
Saturday
May 25
35° / 24°
Sunday
May 26
33° / 24°
Monday
May 27
35° / 23°
Tuesday
May 28
35° / 24°
Wednesday
May 29
33° / 24°
Thursday
May 30
33° / 24°
Friday
May 31
32° / 24°
Mcallen 30 days weather forecast
Check out our estimated 30 days weather forecast for Mcallen, this data is based on the average weather in Mcallen in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Mcallen next to the desired date.