Weather forecast for tomorrowSantee, CA

Weather forecast for tomorrow

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
  • ▼
Tomorrow, in Santee, conditions will remain bright with clear skies.
Temperature measurements will peak at a blazing 87.8°F, with a considerable drop to a low of a moderate 59°F.
Meteorological data shows 87.8°F is more characteristic of September's climate profile than October's.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 86°C.
Coldest hour: 6 am 61°C.

Chance of precipitation

Highest chance: 9 pm 2%.

Hourly weather forecast

  • 12 am
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphENE 72°
  • Humidity: 32%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 82°
  • Humidity: 38%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 81°
  • Humidity: 44%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 68°
  • Humidity: 51%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:54 am
  • 8 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 342°
  • Humidity: 47%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphWSW 249°
  • Humidity: 31%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 245°
  • Humidity: 20%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 88°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 277°
  • Humidity: 20%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 285°
  • Humidity: 30%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWNW 284°
  • Humidity: 39%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphWNW 292°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphW 261°
  • Humidity: 62%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of cloud-filled and bright weather is anticipated.
The temperature will vary between a minimum of 60.8°F and a maximum of 87.8°F. The hottest part of the day will be at 1 pm and 2 pm.
The temperature tomorrow will feel more resembling September's average high of 82.8°F than the usual for October. The expected low will be similar to the average minimum in October, which is 58.8°F.
Updated: Oct 17, 2026 @ 15:20:34 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Santee, sunshine will likely continue with scattered clouds at most.

Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 59°F.
The highest temperature will be uncommonly 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).

Tomorrow, the daylight will last for 11h and 17min.