Los Alamos, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Los Alamos weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Mostly Clear——81°52°—
- FridayJun 5Overcast——84°50°+3°
- SaturdayJun 6Overcast——83°48°-1°
- SundayJun 7Partly Cloudy——82°48°-1°
- MondayJun 8Overcast——85°49°+3°
- TuesdayJun 9Overcast——76°52°-9°
- WednesdayJun 10Overcast——75°51°-1°
PM2.5 at 10.9 µg/m³, PM10 at 33.8 µg/m³ — typical background levels with no transport signature. AQI flat over the last 6 hours (within ±3 points).
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 10.9 µg/m³, PM10 at 33.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.32
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:17 AM
- Moonset
- 4:23 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Los Alamos at a glance
- Today vs. normal: 24°F below the seasonal normal for this latitude
- Last frost: March 15 (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 4, 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.