Weather forecast for tomorrowMcAllen, TX
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 79°F
- 64°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphN 353°
- Humidity: 42%
- UV index: 6
- Sunrise: 7:33 am CDT
- Sunset: 7:02 pm CDT
- details ▼
On Sunday, October 18, patchy light may appear briefly, but the overall trend is cloudy.
The highest predicted temperature is a temperate 78.8°F, while the lowest temperature will be a breezy 64.4°F.
Tomorrow, the temperature will resemble November's climate with a high near 77.7°F.
Sunrise will be at 7:33 am and sunset at 7:02 pm; tomorrow's daylight will last for 11h and 29min.
The highest predicted temperature is a temperate 78.8°F, while the lowest temperature will be a breezy 64.4°F.
Tomorrow, the temperature will resemble November's climate with a high near 77.7°F.
Sunrise will be at 7:33 am and sunset at 7:02 pm; tomorrow's daylight will last for 11h and 29min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 77°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 3 pm 1%.
Hourly weather forecast
- 12 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 352°
- Humidity: 45%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 342°
- Humidity: 47%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 336°
- Humidity: 49%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 336°
- Humidity: 52%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:33 am
- 8 am
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 336°
- Humidity: 53%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNNW 338°
- Humidity: 45%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 73°F
- Feels like:73°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphN 353°
- Humidity: 38%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 77°F
- Feels like:77°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphN 351°
- Humidity: 37%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphN 8°
- Humidity: 37%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 77°F
- Feels like:77°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 34°
- Humidity: 40%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 7:02 pm
- 8 pm
- 73°F
- Feels like:73°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 54°
- Humidity: 50%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNE 54°
- Humidity: 60%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloud-filled and clear weather is predicted.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 78.8°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, the temperature will feel more similar to November's average high than the usual for October. Tomorrow, the overnight low is also more resembling November's usual minimum of 61.9°F than October's 70.7°F.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 78.8°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, the temperature will feel more similar to November's average high than the usual for October. Tomorrow, the overnight low is also more resembling November's usual minimum of 61.9°F than October's 70.7°F.
Updated: Oct 17, 2026 @ 13:15:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in McAllen, the sky will be mainly overcast.
Tomorrow, the maximum temperature in McAllen will be 78.8°F, while the minimum temperature will be 64.4°F.
The maximum temperature will be relatively lower than the average highest temperature of 87.1°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
The maximum temperature will be relatively lower than the average highest temperature of 87.1°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in McAllen, sunrise will be at 7:33 am and sunset at 7:02 pm (CDT).
In McAllen, the length of the day tomorrow will be 11h and 29min.
