Weather forecast for tomorrowEl Cajon, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 86°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWSW 254°
- Humidity: 40%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:10 pm PDT
- details ▼
Tomorrow, on Monday, October 19, sunshine and minimal clouds are in the outlook.
Temperature is expected to swing from a high of a tropical 86°F to a low of a comfortable 60.8°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a blazing 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The forecast high of 86°F aligns more closely with September's typical high of 82.6°F than with October's usual 77.2°F.
Sunrise will be at 6:55 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 15min.
Temperature is expected to swing from a high of a tropical 86°F to a low of a comfortable 60.8°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a blazing 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The forecast high of 86°F aligns more closely with September's typical high of 82.6°F than with October's usual 77.2°F.
Sunrise will be at 6:55 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 15min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 84°C.
Coldest hour: 6 am 61°C.
Coldest hour: 6 am 61°C.
Chance of precipitation
Highest chance: 9 pm 4%.
Hourly weather forecast
- 12 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 72°
- Humidity: 56%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 198°
- Humidity: 58%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 99°
- Humidity: 60%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 61°F
- Feels like:61°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphE 90°
- Humidity: 62%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:55 am
- 8 am
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphW 276°
- Humidity: 56%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphW 270°
- Humidity: 38%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 234°
- Humidity: 28%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 251°
- Humidity: 30%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 256°
- Humidity: 36%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphWSW 250°
- Humidity: 49%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphWSW 253°
- Humidity: 64%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSW 235°
- Humidity: 77%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily sunny and occasionally gloomy weather is expected.
The temperature will be between a minimum of 60.8°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum temperature will align more closely with September's average high of 82.6°F than with October's 77.2°F. The temperature low is forecasted to be in line with the usual October value of 59°F.
The temperature will be between a minimum of 60.8°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum temperature will align more closely with September's average high of 82.6°F than with October's 77.2°F. The temperature low is forecasted to be in line with the usual October value of 59°F.
Updated: Oct 18, 2026 @ 07:37:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, uninterrupted sunshine is anticipated.
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 60.8°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 86°F.
The highest temperature will be a few degrees higher than the average maximum of 77.2°F in October. The lowest temperature will be in line with the average low of 59°F.
The highest temperature will be a few degrees higher than the average maximum of 77.2°F in October. The lowest temperature will be in line with the average low of 59°F.
On Monday, in El Cajon, sunrise will be at 6:55 am and sunset at 6:10 pm (PDT).
Tomorrow, the daylight will last for 11h and 15min.
