Los Gatos, California Weather
Coastal fog thickens at dawn. Day 76 of spring. Read this microseason across nine climate regions →
Los Gatos weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Drizzle—0.01″82°54°—
- ThursdayJun 4Clear——82°52°0°
- FridayJun 5Clear——95°53°+13°
- SaturdayJun 6Overcast——80°47°-15°
- SundayJun 7Overcast——80°45°0°
- MondayJun 8Overcast——81°48°+1°
- TuesdayJun 9Overcast——79°51°-2°
Ozone at AQI 500 now. AQI flat over the last 6 hours (within ±3 points). With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 673 by mid-afternoon.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 673 by mid-afternoon.
- Present
- AQI 500
- UV peak
- 10.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 673
PM × Wind × Precip
PM2.5/PM10 ratio 0.70 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.70
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:53 AM
- Moonset
- 3:21 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Los Gatos at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 30 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.