Weather forecast for tomorrowLake Forest, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 61°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 206°
- Humidity: 44%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Tomorrow, on Monday, October 19, the outlook remains bright and sunny.
The temperature scale will run from a maximum of a warm 84.2°F to a minimum of an enjoyable 60.8°F.
The maximum heat index, which combines air temperature and relative humidity, is assessed at 84.2°F.
With a forecast of 84.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 6:58 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 13min.
The temperature scale will run from a maximum of a warm 84.2°F to a minimum of an enjoyable 60.8°F.
The maximum heat index, which combines air temperature and relative humidity, is assessed at 84.2°F.
With a forecast of 84.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 6:58 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 13min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 82°C.
Coldest hour: 6 am 63°C.
Coldest hour: 6 am 63°C.
Chance of precipitation
Highest chance: 9 pm 3%.
Hourly weather forecast
- 12 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSSE 156°
- Humidity: 60%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphESE 105°
- Humidity: 61%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 4 am
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 92°
- Humidity: 63%
- Pressure: 29.88"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 6 am
- 63°F
- Feels like:63°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphE 85°
- Humidity: 66%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 6:58 am
- 8 am
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 75°
- Humidity: 58%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 196°
- Humidity: 43%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 37%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 6
- details ▼
- 2 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 221°
- Humidity: 37%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 225°
- Humidity: 38%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 6 pm
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 220°
- Humidity: 48%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSW 194°
- Humidity: 68%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 168°
- Humidity: 80%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, bright skies and dry conditions are anticipated.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 82.4°F. The warmest part of the day will be from noon to 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The lowest temperature is similar to October's typical minimum of 59.9°F.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 82.4°F. The warmest part of the day will be from noon to 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The lowest temperature is similar to October's typical minimum of 59.9°F.
Updated: Oct 18, 2026 @ 09:03:19 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
On Monday, in Lake Forest, clear skies and sunshine are anticipated.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 60.8°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F.
The highest temperature will be slightly warmer than the average maximum of 75.9°F in October. The lowest temperature will be in line with the average low of 59.9°F.
The highest temperature will be slightly warmer than the average maximum of 75.9°F in October. The lowest temperature will be in line with the average low of 59.9°F.
On Monday, in Lake Forest, sunrise will be at 6:58 am and sunset at 6:12 pm (PDT).
In Lake Forest, California, tomorrow, there will be 11h and 13min of daylight.
