❮
Today Tomorrow Hourly 7 days 30 days September
❯
Today | Weather | Monday, September 1, 2025
Heat Advisory (Issued when high temperatures and humidity create conditions that may be hazardous during outdoor activity or prolonged exposure.)

Weather in Garden Grove, California

04:31 AM
Now
NightNighttime, with dark skies and stars or a moon visible.
68° F
Feels Like 68°
Precipitation 0 %
Wind 4 mph
Humidity 88 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 90°
Night 72°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Garden Grove Weather Forecast Updated

26 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 1, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

82°

Night

64°

Wind

6 mph

UV Index

8

Precipitation

1

Air quality in Garden Grove

NOW
58 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.60 µg/m³
PM10 23.42 µg/m³
O₃ 17.45 ppb
NO₂ 17.76 ppb
SO₂ 2.47 ppb
CO 344.28 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast