Chula Vista, CA Weather Forecast
Right now it is 70°F and sunny in Chula Vista (as of Tue, 9:15 AM PST). Today: high near 74°F. Tomorrow: mostly sunny, high near 73°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at EW3219 National City (2 mi from the city center).
Weather tomorrow in Chula Vista
Mostly sunny, with a high near 73. North wind 0 to 10 mph.
Mostly clear, with a low around 60. North wind 0 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Chula Vista right now.
7-day forecast
Sunny, with a high near 74. Northwest wind 0 to 10 mph. Tonight: Mostly cloudy, with a low around 62. North wind 0 to 10 mph.
Mostly sunny, with a high near 73. North wind 0 to 10 mph. Wednesday Night: Mostly clear, with a low around 60. North wind 0 to 5 mph.
Sunny, with a high near 75. West wind 5 to 10 mph. Thursday Night: Mostly clear, with a low around 60.
Sunny, with a high near 80. Friday Night: Mostly clear, with a low around 60.
Sunny, with a high near 83. Saturday Night: Mostly clear, with a low around 63.
Mostly sunny, with a high near 84. Sunday Night: Partly cloudy, with a low around 64.
Mostly sunny, with a high near 82. Monday Night: Mostly cloudy, with a low around 63.
Forecast issued by NWS forecast office SGX · updated Nov 3, 12:49 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Chula Vista population: 275,533 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Chula Vista?
Wednesday, November 4: Mostly Sunny, high near 73°F; night: mostly clear, low around 60°F.
Where does the Chula Vista forecast come from?
From the National Weather Service forecast office SGX, which writes the official forecast for Chula Vista's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Chula Vista weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Chula Vista (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.