Weather forecast for 10 daysSantee, CA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 88°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphENE 72°
  • Humidity: 21%
  • UV index: 5
  • Sunrise: 6:53 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
On Saturday, in Santee, a low, thick cloud deck is likely to persist.
Temperature values will vary noticeably, extending from a tropical 87.8°F to a refreshing 59°F.
Today, the maximum temperature of 87.8°F will resemble September's climate more than October's.
Sunrise was at 6:53 am and sunset will be at 6:12 pm; the daylight will last for 11h and 19min.

Sunday Oct 18, 2026

  • 88°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 285°
  • Humidity: 31%
  • UV index: 6
  • Sunrise: 6:54 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
On Sunday, October 18, skies will stay clear and sunny.
A daytime temperature reaching up to a blazing 87.8°F will sharply contrast with a nighttime low of a moderate 59°F.
Weather conditions lean hotter, with the temperature tracking September's average high of 82.8°F.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.

10-day overview

Daily temperatures

Warmest period: today - tomorrow 88°C.
Coldest day: Thursday 72°C.

Chance of precipitation

Highest chance: Thursday 70%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 88°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphENE 72°
  • Humidity: 21%
  • UV index: 5
  • Sunrise: 6:53 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 88°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 285°
  • Humidity: 31%
  • UV index: 6
  • Sunrise: 6:54 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphWSW 254°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 84°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphWSW 251°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 61°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.43"
  • Wind: 13mphSW 219°
  • Humidity: 61%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 55°F
Thunderstorms
Thunderstorms
  • Precip. probability: 70%
  • Precipitation: 0.35"
  • Wind: 11mphSW 223°
  • Humidity: 71%
  • UV index: 5
  • Sunrise: 6:57 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 11mphW 262°
  • Humidity: 66%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphW 274°
  • Humidity: 55%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphWSW 248°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 11mphWSW 250°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
Over the course of the next ten days, expect shifting weather, and a mix of sunny, overcast, wet and storm-filled weather is expected.
Rainfall is forecasted for Wednesday and Thursday.
The temperature will vary considerably over the next several days. The temperature is expected to swing from 71.6°F up to 87.8°F, while the forecast minimum temperature falls between 53.6°F and 60.8°F.
Saturday and Sunday, with the highest temperature of 87.8°F, will be the hottest days in Santee; Thursday will be the coldest day, with the highest temperature of 71.6°F.
Updated: Oct 17, 2026 @ 16:43:56 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, expect continuous cloudiness with subdued daylight.

Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 59°F.
The highest temperature today will be notably higher than the average maximum of 77.4°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Santee, sunrise was at 6:53 am and sunset will be at 6:12 pm (PDT).

In Santee, the length of the day today will be 11h and 19min.

On Sunday, in Santee, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 59°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 77.4°F in October. The lowest temperature will be in line with the average low of 58.8°F.

On Sunday, in Santee, sunrise will be at 6:54 am and sunset at 6:11 pm (PDT).

In Santee, the length of the day tomorrow will be 11h and 17min.