Weather forecast for 10 daysAtwater, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 90°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 31%
  • UV index: 5
  • Sunrise: 7:13 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
Today, the outlook remains bright and sunny.
The day will see a remarkable high of a hot 89.6°F, sharply contrasting with a low of a cool 53.6°F.
It will feel hotter than usual, as the temperature reflects September's normal high of 91.4°F, not October's.
Sunrise will be at 7:13 am and sunset at 6:21 pm; the daylight will last for 11h and 8min.

10-day overview

Daily temperatures

Warmest day: today 90°C.
Coldest day: Wednesday 66°C.

Chance of precipitation

Highest chance: Wednesday 52%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 90°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 31%
  • UV index: 5
  • Sunrise: 7:13 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 77°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphNW 321°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:14 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 321°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:15 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 54°F
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • Wind: 7mphNNW 330°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 52°F
AM Showers
AM Showers
  • Precip. probability: 38%
  • Precipitation: 0.24"
  • Wind: 6mphNW 318°
  • Humidity: 77%
  • UV index: 5
  • Sunrise: 7:17 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 12%
  • Precipitation: 0.04"
  • Wind: 8mphNW 320°
  • Humidity: 69%
  • UV index: 5
  • Sunrise: 7:18 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphWNW 288°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:19 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 314°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:20 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 6mphNNW 327°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphNNW 332°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:22 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
mostly clear, cloudy and rainy weather is anticipated.
Rainfall is expected on Wednesday through Friday.
Substantial differences in temperature are forecasted throughout the forecast window. Highs will range from 66.2°F to 89.6°F, while the forecast minimum temperature falls between 44.6°F and 53.6°F.
The hottest day is today, with a maximum temperature of 89.6°F; expect the coldest day on Wednesday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 07:39:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Atwater, uninterrupted sunshine is anticipated.

Today, the highest temperature will be 89.6°F, while the lowest temperature will be 53.6°F.
The maximum temperature today will be noticeably higher than the average highest temperature of 78.4°F in October. The lowest temperature will be in line with the average low of 54.9°F.

On Sunday, in Atwater, sunrise will be at 7:13 am and sunset at 6:21 pm (PDT).

In Atwater, today, there will be 11h and 8min of daylight.