32°41'N / 117°10'W / Altitud 8 m / 12:01 18/03/2026, America/Los_Angeles (UTC-7)
de: 18/03/2026, 10:11
a: 18/03/2026, 22:15
* WHAT...Dangerously hot conditions with high temperatures of 104 to 110 expected with the heat peaking around Friday.
* WHERE...San Diego County Deserts.
* WHEN...Until 8 PM PDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
* ADDITIONAL DETAILS...Overnight low temperatures will fall to the low to mid-70s reducing overnight relief from the heat.
San Diego
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
NWS San Diego CA
18/03/2026, 10:11
de: 18/03/2026, 10:11
a: 18/03/2026, 22:15
* WHAT...High temperatures in the upper 90s to 104 expected.
* WHERE...San Diego County Valleys.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the eastern valleys in the upper 60s to low 70s will limit overnight relief from the heat.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.NWS San Diego CA18/03/2026, 10:11de: 18/03/2026, 10:11
a: 18/03/2026, 22:15
* WHAT...High temperatures in the mid 80s above 5000 feet to 90s below 4500 feet expected.
* WHERE...San Diego County Mountains.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.NWS San Diego CA18/03/2026, 10:11de: 18/03/2026, 10:11
a: 18/03/2026, 22:15
* WHAT...High temperatures in the 90s expected.
* WHERE...Santa Ana Mountains and Foothills.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.NWS San Diego CA18/03/2026, 10:11de: 18/03/2026, 10:11
a: 18/03/2026, 22:15
* WHAT...High temperatures in the upper 80s to mid 90s away from the beaches.
* WHERE...San Diego County Coastal Areas.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
San Diego,San Diego County Coastal AreasDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.NWS San Diego CA18/03/2026, 10:11