Weather forecast for 10 daysLake Arrowhead, CA

10-day overview

Daily temperatures

Warmest day: Tuesday 27.10. 68°C.
Coldest day: Thursday 46°C.

Chance of precipitation

Highest chance: Thursday 72%.

Long-term weather forecast

  • Tuesday
  • Oct 20, 2026
  • min.
  • 41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 9mphSE 132°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 6:58 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.83"
  • Wind: 17mphS 172°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 46°F
  • 36°F
Rain / Thunder
Rain / Thunder
  • Precip. probability: 72%
  • Precipitation: 0.35"
  • Wind: 12mphS 178°
  • Humidity: 91%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphWSW 238°
  • Humidity: 73%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNNE 14°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNE 20°
  • Humidity: 39%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNE 20°
  • Humidity: 35%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:01 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 68°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphN 7°
  • Humidity: 33%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 64°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 166°
  • Humidity: 37%
  • UV index: 5
  • Sunrise: 7:05 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 10mphS 183°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:06 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
During the ten-day period, overcast, mostly clear and storm-filled weather is anticipated.
Rainfall is anticipated on Wednesday and Thursday.
Substantial differences in temperature are forecasted across the forecast period. The maximum temperature will vary between 46.4°F and 68°F, while the overnight low will be nearly unchanged, as the lowest temperatures will remain in the range of 35.6°F to 41°F.
Next Tuesday will be the warmest day, with a maximum temperature of 68°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 46.4°F.
Updated: Oct 21, 2026 @ 01:47:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Lake Arrowhead, a combination of cloudy, dry and sunny and thunderstorm-prone weather is anticipated for the next ten days.

Rainfall is expected on Wednesday and Thursday in Lake Arrowhead. Wednesday, with elevated precipitation of 0.83", will be the day with the most rainfall.

The maximum temperature will range between 46.4°F and 68°F, while the minimum temperature will vary between 35.6°F and 41°F.

With the maximum temperature of 68°F, next Tuesday will be the warmest day. The coldest day will be Thursday, with a maximum of 46.4°F.

On Saturday, clear and sunny conditions are expected.

On Saturday, the maximum temperature will be 59°F, while the minimum temperature will be 39.2°F.

On Sunday, predominantly sunny weather will make for pleasant outdoor conditions.

On Sunday, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.