Tustin weather
At 7:00 PM local time it was cloudy and 20°C (67°F). Real rain for 6 hours (16.4 mm total) — consider moving outdoor plans. Best months for weather: Jun–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Tustin, California, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 48%
- Rain
- 0.0 mm/h
Hourly Forecast
Real rain for 6 hours (16.4 mm total) — consider moving outdoor plans
Daily Forecast
Best Time to Visit
Peak season Jun–NovOff season Dec–Feb
About Tustin weather
Is it raining in Tustin right now?
No. It’s cloudy and 20° right now. Real rain for 6 hours (16.4 mm total) — consider moving outdoor plans.
What’s the weather like in Tustin this week?
Over the next 7 days, expect highs of 20–29° and lows of 12–19°. Rain is likely on 2 of 7 days (Saturday, Sunday). The driest day looks like Monday.
Has it been raining in Tustin lately?
In the past 7 days, Tustin had 1 rainy day and 3.8 mm of rain in total.
What should I pack for Tustin?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes, sunscreen and a warm layer for the evenings.
Tustin weather by month
When is the best time to visit Tustin?
Based on weather alone, the best time to visit Tustin is Jun–Nov, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 16°C (62°F) in February to 23°C (73°F) in September.
What is the rainiest month in Tustin?
February is the wettest month, with about 73 mm (2.9 in) of rain on average. August is the driest, with about 1 mm (0.0 in).
What is the hottest month in Tustin?
September is the warmest, with average highs of 23°C (73°F) and lows of 19°C (65°F). February is the coolest, with highs of 16°C (62°F) and lows of 12°C (54°F).
Does Tustin have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is February at about 73 mm (2.9 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months