Weather forecast for tomorrowSignal Hill, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 81°F
- 63°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphSSE 163°
- Humidity: 60%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Monday, October 19, high-altitude clouds may scatter across the sky, but the sun will still shine.
The highest temperature will be a warm 80.6°F, while the lowest forecasted temperature is an enjoyable 62.6°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 82.4°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:01 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 13min.
The highest temperature will be a warm 80.6°F, while the lowest forecasted temperature is an enjoyable 62.6°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 82.4°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:01 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 13min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 82°C.
Coldest period: 3 am - 6 am 66°C.
Coldest period: 3 am - 6 am 66°C.
Chance of precipitation
Highest chance: 6 am 7%.
Hourly weather forecast
- 12 am
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphNNW 333°
- Humidity: 72%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphE 84°
- Humidity: 77%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 66°F
- Feels like:66°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphN 0°
- Humidity: 82%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphE 84°
- Humidity: 84%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunrise: 7:01 am
- 8 am
- 64°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphE 82°
- Humidity: 87%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 72°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphE 99°
- Humidity: 69%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 3
- details ▼
- 12 pm
- 79°F
- Feels like:81°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 171°
- Humidity: 51%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 81°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 187°
- Humidity: 46%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 214°
- Humidity: 48%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphW 273°
- Humidity: 58%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphWNW 297°
- Humidity: 70%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphESE 124°
- Humidity: 78%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily mostly clear and occasionally dull weather is predicted.
The temperature will be between the lowest temperature of 64.4°F and the highest temperature of 80.6°F. The warmest part of the day will be from 1 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 78.8°F than with October's 75°F. The minimum temperature will be close to October's average low of 62.2°F.
The temperature will be between the lowest temperature of 64.4°F and the highest temperature of 80.6°F. The warmest part of the day will be from 1 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 78.8°F than with October's 75°F. The minimum temperature will be close to October's average low of 62.2°F.
Updated: Oct 18, 2026 @ 15:16:11 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, partly cloudy skies will persist, making for a mix of sun and clouds.
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 62.6°F. The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at 82.4°F.
The highest temperature will be a few degrees higher than the average maximum of 75°F in October. The lowest temperature will be in line with the average low of 62.2°F.
The highest temperature will be a few degrees higher than the average maximum of 75°F in October. The lowest temperature will be in line with the average low of 62.2°F.
On Monday, in Signal Hill, sunrise will be at 7:01 am and sunset at 6:14 pm (PDT).
In Signal Hill, tomorrow, there will be 11h and 13min of daylight.





