Imperial Beach, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Imperial Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——70°66°—
- MondayJul 6Overcast——70°65°0°
- TuesdayJul 7Overcast——79°64°+9°
- WednesdayJul 8Clear——81°68°+2°
- ThursdayJul 9Clear——83°69°+2°
- FridayJul 10Overcast——83°70°0°
- SaturdayJul 11Overcast——80°70°-3°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52), ratio 0.67 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
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 9.7 µg/m³ (AQI 52), ratio 0.67 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.67
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:03 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Imperial Beach at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: March 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 91932
16-Day Forecast — Imperial Beach
- Sun70°66°0%
- Mon70°65°1%
- Tue79°64°0%
- Wed81°68°0%
- Thu83°69°0%
- Fri83°70°0%
- Sat80°70°1%
- Sun90°70°4%
- Mon87°72°9%
- Tue86°74°9%
- Wed87°75°5%
- Thu92°79°20%
- Fri90°77°14%
- Sat88°74°12%
- Sun86°74°13%
- Mon87°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 Imperial Beach
- 91932
- 91933