Los Alamos, New Mexico Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Los Alamos weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle19%0.04″82°63°—
- MondayJul 6Overcast37%—87°61°+5°
- TuesdayJul 7Light Showers62%0.17″86°67°-1°
- WednesdayJul 8Light Drizzle43%0.01″89°65°+3°
- ThursdayJul 9Overcast14%—92°69°+3°
- FridayJul 10Overcast16%—88°69°-4°
- SaturdayJul 11Overcast——92°70°+4°
AQI 43 (Good), driven by PM2.5. AQI down 29 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.9 µg/m³ (AQI 49), ratio 0.52 with 7 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
Ozone × UV × Sky
Ozone at AQI 32 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49), ratio 0.52 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.52
- 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
- 11:21 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Los Alamos at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: March 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 87544
15-Day Forecast — Los Alamos
- Sun83°60°19%
- Mon87°61°37%
- Tue86°67°62%
- Wed89°65°43%
- Thu92°69°14%
- Fri88°69°16%
- Sat92°70°8%
- Sun91°70°6%
- Mon92°70°6%
- Tue94°70°18%
- Wed95°73°24%
- Thu89°69°33%
- Fri85°65°32%
- Sat92°69°52%
- Sun93°70°55%
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.
SPC Convective Outlook
Storm Prediction Center — Los Alamos
SPC includes Los Alamos in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Los Alamos
- 87544
- 87545