Santa Susana, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Santa Susana weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——87°65°—
- MondayJul 6Clear——87°59°0°
- TuesdayJul 7Clear——92°63°+5°
- WednesdayJul 8Clear——96°65°+4°
- ThursdayJul 9Clear——100°67°+4°
- FridayJul 10Overcast——97°67°-3°
- SaturdayJul 11Overcast——93°67°-4°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.67 fine-to-coarse ratio and 5 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
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 56 around 1 PM.
- Present
- AQI 39
- UV peak
- 10.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 56
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.67 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.67
- Wind
- light
- 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
- 11:11 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Santa Susana at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: March 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Santa Susana
- Sun87°65°1%
- Mon87°59°0%
- Tue92°63°0%
- Wed96°65°0%
- Thu100°67°0%
- Fri97°67°0%
- Sat93°67°0%
- Sun81°66°2%
- Mon100°66°5%
- Tue104°76°6%
- Wed103°74°1%
- Thu103°76°10%
- Fri106°75°9%
- Sat99°76°6%
- Sun104°75°10%
- Mon102°72°10%
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 Santa Susana
- 93063