Weather forecast for tomorrowLos Alamos, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 12mphWNW 300°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 7:10 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
Tomorrow, in Los Alamos, high-altitude clouds may scatter across the sky, but the sun will still shine.
A stark contrast will be evident between the daytime peak temperature of a moderately hot 77°F and the nighttime low of a brisk 48.2°F.
Expect temperatures to reach October's average high of 73.6°F.
Sunrise will be at 7:10 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 11min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 54°C.

Chance of precipitation

Highest chance: 3 am 21%.

Hourly weather forecast

  • 12 am
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 2mphNW 314°
  • Humidity: 91%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 2mphNW 321°
  • Humidity: 93%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 2mphNNW 339°
  • Humidity: 95%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 54°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 1mphNNW 331°
  • Humidity: 94%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:10 am
  • 8 am
  • 54°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 1mphN 352°
  • Humidity: 92%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphWNW 295°
  • Humidity: 64%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 281°
  • Humidity: 47%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 285°
  • Humidity: 44%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 288°
  • Humidity: 46%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphWNW 294°
  • Humidity: 64%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:21 pm
  • 8 pm
  • 57°F
  • Feels like:
    55°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphWNW 299°
  • Humidity: 86%
  • Pressure: 29.88"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphNW 322°
  • Humidity: 93%
  • Pressure: 29.88"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, a combination of sunny and cloud-filled weather is forecasted.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 75.2°F. The warmest part of the day will be from 1 pm to 3 pm.
The high temperature is expected to be similar to October's usual value of 73.6°F. The minimum temperature will be more similar to November's average low of 52.9°F than October's typical 57.9°F.
Updated: Oct 18, 2026 @ 09:35:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Los Alamos, clouds and sunshine will create a dynamic sky throughout the day.

Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 48.2°F.
The highest temperature will be in line with the average maximum of 73.6°F in October. The lowest temperature will be notably lower than the average low of 57.9°F.

On Monday, in Los Alamos, sunrise will be at 7:10 am and sunset at 6:21 pm (PDT).

In Los Alamos, the length of the day tomorrow will be 11h and 11min.