Santee Weather
Hyperlocal forecast for Santee, California · Updated every 30 minutes via the National Weather Service
⚠️ Heat Advisory
Heat Advisory issued August 24 at 1:58AM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
⚠️ Extreme Heat Warning
Extreme Heat Warning issued August 24 at 1:58AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
103°F
Sunny
Wind: 0 to 15 mph SW
Sunny, with a high near 103. Southwest wind 0 to 15 mph, with gusts as high as 30 mph.
Hourly Forecast
7-Day Forecast
🔥 Fire Weather
No active fire weather warnings for Santee. Fire conditions are monitored continuously via the National Weather Service San Diego office. Red Flag Warnings and Fire Weather Watches will appear here automatically.
Air Quality
Moderate
Acceptable. Some pollutants may be a concern for sensitive individuals.
PM2.5 · 11 µg/m³
Fine particles from smoke, exhaust & wildfire ash — small enough to enter your lungs
PM10 · 12 µg/m³
Coarse particles like dust & pollen — can irritate eyes and throat
Ozone · 43 µg/m³
Ground-level smog — typically worse on hot afternoons
24-Hour AQI Trend
Data via Open-Meteo Air Quality API · US AQI scale · Updated every 15 minutes
📬 Stay in the loop
Santee's top stories, free every morning.