Weather forecast for tomorrowGarden Grove, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 86°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 40%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, October 18, sunshine is also expected with little to no cloud cover.
The temperature will vary between a maximum of a humid 86°F and a minimum of a breezy 64.4°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a hot 86°F. Note that heat index values are valued for light wind and location in the shade.
It will feel hotter than usual, as the temperature reflects September's normal high of 79.7°F, not October's.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
The temperature will vary between a maximum of a humid 86°F and a minimum of a breezy 64.4°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a hot 86°F. Note that heat index values are valued for light wind and location in the shade.
It will feel hotter than usual, as the temperature reflects September's normal high of 79.7°F, not October's.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 82°C.
Coldest hour: 6 am 68°C.
Coldest hour: 6 am 68°C.
Chance of precipitation
Highest chance: 9 pm 3%.
Hourly weather forecast
- 12 am
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 78°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 72°F
- Feels like:72°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 74°
- Humidity: 47%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphNE 55°
- Humidity: 49%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 70°
- Humidity: 51%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:59 am
- 8 am
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 68°
- Humidity: 49%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:79°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 121°
- Humidity: 38%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 215°
- Humidity: 33%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 218°
- Humidity: 35%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 223°
- Humidity: 38%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 245°
- Humidity: 43%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 75°F
- Feels like:75°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphWSW 256°
- Humidity: 55%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphS 182°
- Humidity: 65%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and sunny weather is expected.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 84.2°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 79.7°F than the usual for October. Tomorrow, the night is expected to be alike with the typical October low of 61.7°F.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 84.2°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 79.7°F than the usual for October. Tomorrow, the night is expected to be alike with the typical October low of 61.7°F.
Updated: Oct 17, 2026 @ 14:52:31 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 Sunday, in Garden Grove, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature in Garden Grove will be 86°F, while the lowest temperature will be 64.4°F. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 86°F.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 75.4°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 75.4°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Garden Grove, sunrise will be at 6:59 am and sunset at 6:14 pm (PDT).
In Garden Grove, tomorrow, there will be 11h and 15min of daylight.
