DriveWindow route answer
How does weather change by season between Los Angeles and San Diego?
Coastal fog, winter rain, and standing water can affect short Southern California drives. The main seasonal conditions to compare along I-5 along Southern California are coastal rain, fog near lowlands, and standing water. Check the full corridor close to departure rather than relying on one destination forecast.
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
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Seasonal planning
How conditions change through the year
Coastal fog, winter rain, and standing water can affect short Southern California drives.
Compare how coastal rain, fog near lowlands, and standing water overlaps with the hours you expect to be on the road.
What to check before leaving
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 planning answers
Common questions about this drive
Sources and methodology
How this answer is produced
Drive time and distance are planning baselines, not live traffic estimates. Website guidance combines route-specific research, representative corridor points, and official source links; the app completes the forecast for your date and departure time.
US National Weather Service Environment and Climate Change Canada Caltrans QuickMap Route weather methodology Data-source policy