Los Alamos, New Mexico Weather
The dry breath stills. Day 88 of spring. Read this microseason across nine climate regions →
Los Alamos weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Drizzle27%0.01″81°53°—
- TuesdayJun 16Clear——86°57°+5°
- WednesdayJun 17Overcast——89°68°+3°
- ThursdayJun 18Overcast——91°65°+2°
- FridayJun 19Overcast20%—86°61°-5°
- SaturdayJun 20Overcast12%—86°68°0°
- SundayJun 21Mostly Clear——85°65°-1°
AQI 37 (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 0.70 fine-to-coarse ratio and 3 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 36. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.70 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- calm
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:57 AM
- Moonset
- 8:38 PM
- In sign
- ♋︎ Cancer
The dry breath stills
Los Alamos at a glance
- Today vs. normal: 24°F below the seasonal normal for this latitude
- Last frost: March 22 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Los Alamos
- Mon81°51°27%
- Tue86°57°1%
- Wed89°68°0%
- Thu91°65°6%
- Fri86°61°20%
- Sat86°68°12%
- Sun85°65°5%
- Mon86°67°4%
- Tue83°62°16%
- Wed87°63°15%
- Thu90°67°16%
- Fri81°67°24%
- Sat85°65°26%
- Sun87°64°27%
- Mon78°63°23%
- Tue82°61°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 has placed Los Alamos in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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