Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Los Alamos, New Mexico

Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →

Los Alamos, NM
Sunday, May 17 at 4:02 AM
66
°
Clear
Feels like
54°
Humidity
10%
Wind
13 mph
Sunrise
5:58 AM
Sunset
8:04 PM
Los Alamos, NM
Hour by hour · 24h
64°
10p
63°
11p
61°
12a
59°
1a
57°
2a
57°
3a
57°
4a
57°
5a
54°
6a
56°
7a
61°
8a
64°
9a
68°
10a
72°
11a
74°
12p
76°
1p
78°
2p
79°
3p
79°
4p
78°
5p
78°
6p
76°
7p
72°
8p
68°
9p
L 54°H 79°
Los Alamos, NM
7-day forecast
  1. Today
    May 16
    Clear
    78°58°
  2. Sunday
    May 17
    Partly Cloudy
    72°49°
  3. Monday
    May 18
    Mostly Clear
    64°47°
  4. Tuesday
    May 19
    Light Drizzle
    70°50°
  5. Wednesday
    May 20
    Overcast
    20%
    72°55°
  6. Thursday
    May 21
    Overcast
    36%
    72°56°
  7. Friday
    May 22
    Overcast
    18%
    73°54°
Los Alamos, NM
Anemometer · 24h winds · from true
NESW
From · True
SW
227° · backing 74°
Direction
SW
227°
Sustained
13
mph
Gust
20
mph
Peak 24h
51
avg 15
Beaufort · 4 · MOD BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 15 · pk 51 @ 1:00a
−24h−18h−12h−6hnow
A fresh breeze drives the sw-bound air across the harbor.
Los Alamos, NM
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
771.8
-0.5 mb in 3h · falling · 22.79 inHg
Now
771.8
mb
3h
-0.5
mb
12h
-5.2
mb
24h
-3.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 772781
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Los Alamos, NM
Air quality
85
AQI
Moderate
PM 2.5
2.5 μg/m³
PM 10
14.9 μg/m³
NO₂
1.8 μg/m³
Ozone
106.0 μg/m³
UV Index
0.0 Low
Los Alamos, NM
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:31 AM
Sunrise
5:58 AM
Daylight
14h 06m
Sunset
8:04 PM
Civil dusk
2:34 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Los Alamos, NM
The moon
New Moon
0% illuminated
Moonrise
12:11 PM
Moonset
2:33 AM
In sign
♊︎ Gemini
Los Alamos, NM
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Los Alamos at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: March 22 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, 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 Los Alamos

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.