Weather forecast for tomorrowGrandfalls, TX

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 72°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphSE 130°
  • Humidity: 46%
  • UV index: 7
  • Sunrise: 7:56 am CDT
  • Sunset: 7:16 pm CDT
  • ▼
Tomorrow, on Sunday, sunshine will lead the day, with clouds making only brief appearances.
Temperature is predicted to swing from a high of a pleasant 71.6°F to a low of a fresh 51.8°F.
Tomorrow, the predicted high temperature is lower and fits better with November's average than with October's usual.
Sunrise will be at 7:56 am and sunset at 7:16 pm; tomorrow's daylight will last for 11h and 20min.

Hourly overview

Hourly temperatures

Warmest hour: 6 pm 70°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphESE 113°
  • Humidity: 57%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 121°
  • Humidity: 61%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphESE 116°
  • Humidity: 66%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphESE 124°
  • Humidity: 70%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:56 am
  • 8 am
  • 45°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 125°
  • Humidity: 75%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSE 134°
  • Humidity: 57%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 136°
  • Humidity: 40%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 132°
  • Humidity: 32%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSE 129°
  • Humidity: 31%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSE 127°
  • Humidity: 32%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 7:16 pm
  • 8 pm
  • 64°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSE 126°
  • Humidity: 40%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSE 134°
  • Humidity: 49%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily sun-filled and occasionally dull weather is predicted.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 69.8°F. The warmest part of the day will be from 4 pm to 6 pm.
Tomorrow, the maximum will match more closely with November's typical value than October's 79°F. Tomorrow, expect the temperature to be also more close to the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 14:21:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Grandfalls, a bright and mostly cloud-free sky is in store.

Tomorrow, the highest temperature in Grandfalls, Texas, will be 71.6°F, while the lowest temperature will be 51.8°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 79°F in October. The lowest temperature will be also relatively lower than the average low of 59.7°F.

On Sunday, in Grandfalls, sunrise will be at 7:56 am and sunset at 7:16 pm (CDT).

Tomorrow, the daylight will last for 11h and 20min.