Coronado, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Coronado weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——75°64°—
- MondayJul 6Overcast——75°65°0°
- TuesdayJul 7Overcast——75°65°0°
- WednesdayJul 8Clear——74°67°-1°
- ThursdayJul 9Clear——74°69°0°
- FridayJul 10Overcast——74°68°0°
- SaturdayJul 11Overcast——74°68°0°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.5 µg/m³ (AQI 55) with a 0.74 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 11.5 µg/m³ (AQI 55) with a 0.74 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:04 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Coronado at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92118
16-Day Forecast — Coronado
- Sun75°64°0%
- Mon75°65°1%
- Tue75°65°0%
- Wed74°67°0%
- Thu74°69°0%
- Fri74°68°0%
- Sat74°68°1%
- Sun78°70°3%
- Mon77°71°9%
- Tue78°71°10%
- Wed82°73°4%
- Thu89°75°20%
- Fri90°77°14%
- Sat88°75°12%
- Sun78°73°13%
- Mon82°73°9%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Coronado
- 92155
- 92135
- 92118
- 92178