See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Overcast
Feels Like: 20°
Min: 19°
Max: 25°
The next few hours will be overcast, with today reaching 25°C and dropping to 18°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:40
Sunrise
18:50
Sunset
Moon
Waxing Crescent
12:15
Moonrise
21:21
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Tustin.
Resources
UV Index
Humidity
Weather in Tustin today, September 16, 2026
Expect a muted, overcast feel in Tustin on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 02:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 25°C and cools toward 19°C. The air stays humid, with relative humidity between 57% and 88% and the peak around 22:00. Expect gentle winds, highest near 15:00 at 4.7 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 16.1 km, briefly nearer 15.9 km. Daylight runs from 06:40 to 18:50, lasting 12 hours 9 minutes of sunlight today.
In short, cloud leads the story in Tustin on September 16, 2026; expect limited sun and a peak around 25°C.
Frequently asked questions about weather in Tustin
How warm does it get in Tustin?
The warmest month in Tustin is August, with average high temperatures of 29°C. The average temperature during this period is around 23°C.
How cold does it get in Tustin?
The coldest month in Tustin is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.
What is the wettest time of year in Tustin?
The wettest month in Tustin is January, with an average of 81mm of precipitation.
What is the driest time of year in Tustin?
The driest month in Tustin is July, with an average of 1mm of precipitation.
Explore more weather forecasts
- North Tustin, California
- New York City, New York
- Santa Ana, California
- Los Angeles, California
- Orange, California
- Brooklyn, New York
- Irvine, California
- Chicago, Illinois
- Garden Grove, California
- Houston, Texas
- Turtle Rock, California
- Queens, New York
- Fountain Valley, California
- Phoenix, Arizona
- Anaheim, California
- Philadelphia, Pennsylvania
