Weather forecast for tomorrowHarlingen, TX
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 79°F
- 63°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphN 354°
- Humidity: 51%
- UV index: 6
- Sunrise: 7:31 am CDT
- Sunset: 7:00 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, the sky will remain mostly closed off by clouds.
Temperatures are expected to range from a maximum of a warm 78.8°F to a minimum of an enjoyable 62.6°F.
It will be colder, as the maximum temperature reflects November's norm of 76.5°F instead of October's.
Sunrise will be at 7:31 am and sunset at 7:00 pm; tomorrow's daylight will last for 11h and 29min.
Temperatures are expected to range from a maximum of a warm 78.8°F to a minimum of an enjoyable 62.6°F.
It will be colder, as the maximum temperature reflects November's norm of 76.5°F instead of October's.
Sunrise will be at 7:31 am and sunset at 7:00 pm; tomorrow's daylight will last for 11h and 29min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 77°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 6 pm 6%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNW 323°
- Humidity: 56%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphNW 323°
- Humidity: 54%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNW 326°
- Humidity: 55%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphNNW 329°
- Humidity: 57%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 59°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphNNW 333°
- Humidity: 59%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNW 336°
- Humidity: 51%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 73°F
- Feels like:73°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphNNW 344°
- Humidity: 46%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 77°F
- Feels like:77°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphN 354°
- Humidity: 45%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 77°F
- Feels like:77°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphNNE 15°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphNNE 32°
- Humidity: 57%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 7:00 pm
- 8 pm
- 70°F
- Feels like:70°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNNE 15°
- Humidity: 68%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 68°F
- Feels like:68°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphN 359°
- Humidity: 75%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of cloud-filled and clear weather is forecasted.
The temperature will be between a minimum of 57.2°F and a maximum of 77°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the temperature will feel more resembling November's average high than the usual for October. The minimum temperature will be also more consistent with November's average low of 63.7°F than October's typical 71.8°F.
The temperature will be between a minimum of 57.2°F and a maximum of 77°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the temperature will feel more resembling November's average high than the usual for October. The minimum temperature will be also more consistent with November's average low of 63.7°F than October's typical 71.8°F.
Updated: Oct 17, 2026 @ 14:34:22 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
Tomorrow, intermittent cloud layers may allow brief light, but overall it stays overcast.
Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 62.6°F.
Tomorrow, the highest temperature will be a few degrees lower than the average maximum temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 71.8°F.
Tomorrow, the highest temperature will be a few degrees lower than the average maximum temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 71.8°F.
On Sunday, in Harlingen, sunrise will be at 7:31 am and sunset at 7:00 pm (CDT).
Tomorrow, the daylight will last for 11h and 29min.
