I-5 along Southern California

Route weather for Los Angeles to San Diego

This corridor can change weather character across the drive. DriveWindow helps compare departure windows and highlight the conditions most likely to affect timing.

120 miles 2.5 hours Moderate Midday

Sample route weather preview

DriveWindow

Los Angeles to San Diego route weather planning image
Route Los Angeles → San Diego
Weather risk Moderate
Best window Midday

Coastal fog, winter rain, and standing water can affect short Southern California drives. Key weather factors: coastal rain, fog near lowlands, standing water.

  • coastal rain
  • fog near lowlands
  • standing water

Route facts

Los Angeles → San Diego

Distance
120 miles
Typical drive
2.5 hours
Planning baseline
Midday
Main weather risks
coastal rain · fog near lowlands · standing water

Updated: Caltrans QuickMap

Live corridor outlook

Weather at representative points for the next 12 hours

This live preview samples key places along the corridor. It is not a road-condition or closure report.

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Planning baseline available without live data

Coastal fog, winter rain, and standing water can affect short Southern California drives. Key weather factors: coastal rain, fog near lowlands, standing water.

  • Los Angeles
  • San Clemente
  • San Diego

What DriveWindow checks

Coastal fog, winter rain, and standing water can affect short Southern California drives. Key weather factors: coastal rain, fog near lowlands, standing water.

  • coastal rain
  • fog near lowlands
  • standing water

How to use this route forecast

Departure timing notes

Midday

Start by comparing Midday with nearby departure windows. On this corridor, coastal rain, fog near lowlands can change the drive by hour, segment, and daylight.

Seasonal pattern to watch

Moderate

Coastal fog, winter rain, and standing water can affect short Southern California drives.

Before you leave

  • Refresh the route forecast close to departure, especially if the risk level is moderate or higher.
  • Compare at least one earlier and one later window when weather is changing along the corridor.
  • Review the segment forecast instead of relying on the start or destination forecast alone.
  • Use DriveWindow for weather timing, then check your navigation app and official sources for directions, road closures, traffic incidents, restrictions, and current local guidance.

Route-specific planning

Where conditions can change on this drive

Representative forecast points Los Angeles · San Clemente · San Diego
Watch conditions most closely around I-5 through Orange County and coastal San Diego
Official road-condition sources

Route weather hubs

Related route weather pages

Route weather FAQ

Is DriveWindow a navigation app?

No. DriveWindow is for pre-trip weather planning. Use your navigation app and official sources for directions, closures, traffic incidents, and current road rules.

Why compare departure windows?

Weather risk can change by hour. Leaving earlier or later may reduce exposure to heavy rain, snow, low visibility, high wind, freezing conditions, night driving, or alerts.

Does DriveWindow show road closures or traffic?

No. DriveWindow focuses on weather-based route planning. It does not provide traffic incidents, construction, official road conditions, road closures, or turn-by-turn directions.

What weather risks does DriveWindow check?

DriveWindow checks route-level risk for rain, snow, wind, visibility, freezing conditions, severe weather alerts, and night driving across sampled points along the route.

Can I use DriveWindow for RV, motorcycle, or winter driving?

Yes. DriveWindow includes driving profiles for car, motorcycle, RV/trailer, cautious, and winter driving so the route risk can reflect the kind of trip you are planning.

How close to departure should I refresh the forecast?

Refresh the route forecast close to leaving, especially before long drives, mountain routes, winter trips, or severe weather days. Premium also supports saved trips and reminders.

Does DriveWindow work for US and Canada routes?

DriveWindow is designed around US, Canadian, and cross-border route weather planning, including major highways, mountain corridors, weekend drives, and road trips.

What is included for free?

The free plan includes one route forecast per day. DriveWindow Premium unlocks unlimited route forecasts, more departure options, longer planning, full segment forecasts, saved routes, reminders, sharing, and Calendar export.

iOS

DriveWindow for iPhone and iPad

Use the app when you need live route planning, saved trips, reminders, driving profiles, sharing, and Calendar export.

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