Weather forecast for 10 daysSignal Hill, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 90°F
- 64°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 185°
- Humidity: 24%
- UV index: 5
- Sunrise: 6:59 am PDT
- Sunset: 6:16 pm PDT
- details ▼
Today, the sky will be mainly overcast.
Predicted temperature values will span from a tropical 89.6°F down to a comfortable 64.4°F.
Today, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 78.8°F.
Sunrise was at 6:59 am and sunset will be at 6:16 pm; the daylight will last for 11h and 17min.
Predicted temperature values will span from a tropical 89.6°F down to a comfortable 64.4°F.
Today, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 78.8°F.
Sunrise was at 6:59 am and sunset will be at 6:16 pm; the daylight will last for 11h and 17min.
Sunday Oct 18, 2026
- 86°F
- 63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 260°
- Humidity: 40%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Tomorrow, in Signal Hill, a partly cloudy outlook will keep the sky interesting throughout the day.
The temperature scale will run from a maximum of a hot 86°F to a minimum of a breezy 62.6°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
Temperatures are higher than average, more in line with September's norm of 78.8°F than with October's 75°F.
Sunrise will be at 7:00 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 15min.
The temperature scale will run from a maximum of a hot 86°F to a minimum of a breezy 62.6°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
Temperatures are higher than average, more in line with September's norm of 78.8°F than with October's 75°F.
Sunrise will be at 7:00 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: today 90°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Thursday 70%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 90°F
- 64°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 185°
- Humidity: 24%
- UV index: 5
- Sunrise: 6:59 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 86°F
- 63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 260°
- Humidity: 40%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 63°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphS 178°
- Humidity: 64%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 79°F
- 61°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphWSW 237°
- Humidity: 63%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 61°F
Rain
- Precip. probability: 63%
- Precipitation: 0.63"
- Wind: 9mphESE 122°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:02 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 59°F
Thunderstorms
- Precip. probability: 70%
- Precipitation: 0.28"
- Wind: 7mphSSE 166°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:03 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 59°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphWSW 255°
- Humidity: 66%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 59°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphWNW 294°
- Humidity: 60%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 61°F
AM Fog / PM Sun
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphSW 231°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:06 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 59°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphWSW 252°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:06 am PDT
- Sunset: 6:06 pm PDT
- details ▼
Rainfall is expected on Wednesday and Thursday.
Temperature variation will be noticeable throughout the forecast window. The maximum temperature will vary between 69.8°F and 89.6°F, while changes in the overnight low will be barely noticeable, as the overnight low will fall between 59°F and 64.4°F.
Today is the hottest day, with a maximum temperature of 89.6°F; the coldest day will be Thursday, with a maximum of 69.8°F.
Updated: Oct 17, 2026 @ 15:39:30 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
Today, in Signal Hill, the weather will be mostly cloudy.
Today, the highest temperature will be 89.6°F, while the lowest temperature will be 64.4°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 75°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the maximum temperature will be significantly higher than the average highest temperature of 75°F in October. The lowest temperature today will be in line with the average low temperature.
On Saturday, in Signal Hill, sunrise was at 6:59 am and sunset will be at 6:16 pm (PDT).
In Signal Hill, the length of the day today will be 11h and 17min.
Tomorrow, in Signal Hill, expect a partly sunny afternoon with variable cloud cover.
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at 86°F.
The highest temperature will be significantly higher than the average maximum of 75°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be significantly higher than the average maximum of 75°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Signal Hill, sunrise will be at 7:00 am and sunset at 6:15 pm (PDT).
Tomorrow, the daylight will last for 11h and 15min.





