National Weather Service Forecast for:
Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA |
| Updated: Tue, 25-Aug-2026 5:10pm PDT |
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| Lake Arrowhead
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Wednesday
Sunny
|
Thursday
Mostly Sunny
|
Friday
Mostly Sunny
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Saturday
Sunny
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Sunday
Sunny
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Monday
Sunny
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| |
Hi 86 °F |
Hi 86 °F |
Hi 84 °F |
Hi 82 °F |
Hi 79 °F |
Hi 75 °F |
| |
Tonight
Mostly Clear
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Wednesday
Night
Partly Cloudy
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Thursday
Night
Mostly Cloudy
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Friday
Night
Partly Cloudy
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Saturday
Night
Mostly Clear
|
Sunday
Night
Mostly Clear
|
Monday
Night
Mostly Clear
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| Lo 71 °F |
Lo 72 °F |
Lo 72 °F |
Lo 70 °F |
Lo 67 °F |
Lo 62 °F |
Lo 61 °F |
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Heat Advisory
Air Quality Alert
Tonight
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Mostly clear, with a low around 71. Southeast wind 0 to 10 mph. |
Wednesday
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Sunny, with a high near 86. Southeast wind 0 to 10 mph, with gusts as high as 20 mph. |
Wednesday Night
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Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
Thursday
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Mostly sunny, with a high near 86. South wind 5 to 10 mph. |
Thursday Night
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Mostly cloudy, with a low around 72. South wind 0 to 5 mph. |
Friday
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Mostly sunny, with a high near 84. |
Friday Night
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Partly cloudy, with a low around 70. |
Saturday
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Sunny, with a high near 82. |
Saturday Night
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Mostly clear, with a low around 67. |
Sunday
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Sunny, with a high near 79. |
Sunday Night
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Mostly clear, with a low around 62. |
Monday
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Sunny, with a high near 75. |
Monday Night
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Mostly clear, with a low around 61. |
Tuesday
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A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 74. |
Forecast from NOAA-NWS
for Lake Arrowhead, CA.
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