The weather in Mcallen in October is hot. The average temperatures are between 22°C and 31°C.
You can expect about 3 to 8 days of rain in Mcallen during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Mcallen in October 2025.
If you’re planning to visit Mcallen in the near future, we highly recommend that you review the 14 day weather forecast for Mcallen before you arrive.
Temperatures
31° / 22°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
48
mm
Sun Hours
11.1
Hrs
