Weather forecast for 10 daysSan Augustine, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 84°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphW 278°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:09 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
On Sunday, October 18, sunny and dry conditions are anticipated.
The temperature is predicted to oscillate between a maximum of a warm 84.2°F and a minimum of an enjoyable 60.8°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 84.2°F.
Tomorrow, temperatures will feel hotter with a high of 84.2°F, more typical for September than for October.
Sunrise will be at 7:09 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: tomorrow 84°C.
Coldest period: Wednesday - Thursday 70°C.

Chance of precipitation

Highest chance: Wednesday 73%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNE 47°
  • Humidity: 53%
  • UV index: 0
  • Sunrise: 7:08 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 84°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphW 278°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:09 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 79°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 16mphNNW 333°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 7:10 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.16"
  • Wind: 7mphW 272°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:11 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 57°F
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 0.67"
  • Wind: 9mphSE 140°
  • Humidity: 76%
  • UV index: 4
  • Sunrise: 7:12 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 59°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 0.12"
  • Wind: 12mphWNW 289°
  • Humidity: 72%
  • UV index: 4
  • Sunrise: 7:13 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 18mphNW 325°
  • Humidity: 65%
  • UV index: 5
  • Sunrise: 7:13 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphNNW 328°
  • Humidity: 61%
  • UV index: 5
  • Sunrise: 7:14 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 11mphNW 308°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:15 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 12mphNW 321°
  • Humidity: 61%
  • UV index: 5
  • Sunrise: 7:16 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Models point to a combination of overcast, sunny and storm-filled weather is expected.
Rain is forecasted for Tuesday through Thursday.
Temperature variation will be noticeable in the upcoming period. The temperature is expected to swing from 69.8°F up to 84.2°F, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature will fluctuate between 55.4°F and 60.8°F.
With the highest temperature of 84.2°F, Sunday will be the hottest day; the coldest days will be Wednesday and Thursday, with a maximum of 69.8°F.
Updated: Oct 18, 2026 @ 00:41:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in San Augustine, skies are expected to be clear and full of sunshine.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 60.8°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at 84.2°F.
Tomorrow, the highest temperature will be notably higher than the average maximum of 73.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in San Augustine, sunrise will be at 7:09 am and sunset at 6:23 pm (PDT).

Tomorrow, the daylight will last for 11h and 14min.