Weather forecast for 10 daysLos Alamos, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphW 268°
- Humidity: 37%
- UV index: 6
- Sunrise: 7:09 am PDT
- Sunset: 6:22 pm PDT
- details ▼
Today, on Sunday, October 18, a sun-drenched sky is anticipated.
Day and night temperatures will sharply contrast, oscillating between a humid 86°F and a fresh 51.8°F.
The higher temperature of 86°F is more typical of September than October.
Sunrise will be at 7:09 am and sunset at 6:22 pm; the daylight will last for 11h and 13min.
Day and night temperatures will sharply contrast, oscillating between a humid 86°F and a fresh 51.8°F.
The higher temperature of 86°F is more typical of September than October.
Sunrise will be at 7:09 am and sunset at 6:22 pm; the daylight will last for 11h and 13min.
10-day overview
Daily temperatures
Warmest day: today 86°C.
Coldest day: Wednesday 66°C.
Coldest day: Wednesday 66°C.
Chance of precipitation
Highest chance: Wednesday 88%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 86°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphW 268°
- Humidity: 37%
- UV index: 6
- Sunrise: 7:09 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 77°F
- 48°F
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
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSW 227°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:11 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 50°F
Thunderstorms
- Precip. probability: 88%
- Precipitation: 0.12"
- Wind: 10mphSSE 164°
- Humidity: 82%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 48°F
AM Showers
- Precip. probability: 41%
- Precipitation: 0.75"
- Wind: 12mphWNW 300°
- Humidity: 74%
- UV index: 5
- Sunrise: 7:13 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 48°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0.04"
- Wind: 15mphNW 325°
- Humidity: 65%
- UV index: 5
- Sunrise: 7:13 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphNW 313°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:14 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphWNW 296°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:15 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 46°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 12mphNW 310°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphNW 304°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Weather fluctuations are likely over the next ten days, and a mix of gloomy, sun-filled, turbulent and wet weather is forecasted.
Rain is forecasted for Wednesday and Thursday.
Temperature differences will be noticeable over the next several days. Highs will range from 66.2°F to 86°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 46.4°F and 51.8°F.
With a high of 86°F, today is the hottest day; the coldest day will be Wednesday, with a maximum of 66.2°F.
Rain is forecasted for Wednesday and Thursday.
Temperature differences will be noticeable over the next several days. Highs will range from 66.2°F to 86°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 46.4°F and 51.8°F.
With a high of 86°F, today is the hottest day; the coldest day will be Wednesday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 09:35:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunny skies and pleasant visibility are expected.
Today, the highest temperature will be 86°F, while the lowest temperature will be 51.8°F.
The highest temperature will be uncommonly higher than the average maximum of 73.6°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 73.6°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
On Sunday, in Los Alamos, sunrise will be at 7:09 am and sunset at 6:22 pm (PDT).
In Los Alamos, the length of the day today will be 11h and 13min.





