Weather forecast for 10 daysGrimes, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 88°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphSSE 153°
  • Humidity: 36%
  • UV index: 5
  • Sunrise: 7:20 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, skies are expected to be clear and full of sunshine.
Temperature readings will considerable fluctuate from a daytime peak of a humid 87.8°F to a nighttime low of a frosty 48.2°F.
Tomorrow, the forecasted high of 87.8°F is more in line with September's average of 89.8°F than October's 77°F.
Sunrise will be at 7:20 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 4min.

10-day overview

Daily temperatures

Warmest day: tomorrow 88°C.
Coldest day: Thursday 70°C.

Chance of precipitation

Highest chance: Thursday 38%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 103°
  • Humidity: 47%
  • UV index: 0
  • Sunrise: 7:19 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 88°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphSSE 153°
  • Humidity: 36%
  • UV index: 5
  • Sunrise: 7:20 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 73°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 7mphSSE 156°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNNE 20°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:22 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 52°F
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0.04"
  • Wind: 6mphNE 45°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:23 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 50°F
AM Showers
AM Showers
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Wind: 8mphSSE 149°
  • Humidity: 75%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 6mphN 350°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:25 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSE 151°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:26 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphW 269°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphNW 316°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:28 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Over the next ten days, a mix of primarily overcast and occasionally dry and sunny and showery weather is predicted.
With minimal precipitation of 0.04", rain is predicted for Wednesday and Thursday.
Temperature fluctuation will be noticeable in the next ten days. The temperature is expected to swing from 69.8°F up to 87.8°F, while the forecast minimum temperature falls between 44.6°F and 51.8°F.
Sunday is expected to be the hottest, reaching up to 87.8°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 03:15:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunny skies and pleasant visibility are expected.

Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 48.2°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 77°F in October. The lowest temperature will be moderately lower than the average low of 54.5°F.

On Sunday, in Grimes, sunrise will be at 7:20 am and sunset at 6:24 pm (PDT).

In Grimes, tomorrow, there will be 11h and 4min of daylight.