San Simeon, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
San Simeon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——64°56°—
- MondayJul 6Foggy——62°54°-2°
- TuesdayJul 7Foggy——81°54°+19°
- WednesdayJul 8Clear——89°60°+8°
- ThursdayJul 9Foggy——96°65°+7°
- FridayJul 10Mostly Clear——86°62°-10°
- SaturdayJul 11Foggy——81°62°-5°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.8 µg/m³ (AQI 43), ratio 0.60 with 10 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 7.8 µg/m³ (AQI 43), ratio 0.60 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.60
- Wind
- breezy
- 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
- 11:22 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
San Simeon at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: March 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 93452
16-Day Forecast — San Simeon
- Sun64°56°7%
- Mon62°54°0%
- Tue81°54°0%
- Wed89°60°0%
- Thu96°65°0%
- Fri86°62°0%
- Sat81°62°1%
- Sun75°64°2%
- Mon93°67°6%
- Tue99°74°2%
- Wed92°70°1%
- Thu94°71°0%
- Fri95°67°0%
- Sat90°61°6%
- Sun92°61°6%
- Mon94°67°3%
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 San Simeon
- 93452