National Weather Service Forecast for:
Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA |
| Updated: Sun, 16-Aug-2026 11:41am PDT |
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| Lake Arrowhead
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This Afternoon
 Sunny
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Monday
 Sunny
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Tuesday
 Sunny
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Wednesday
 Sunny
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Thursday
 Sunny
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Friday
 Sunny
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Saturday
 Sunny
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| Hi 77 °F |
Hi 78 °F |
Hi 80 °F |
Hi 81 °F |
Hi 84 °F |
Hi 82 °F |
Hi 81 °F |
| |
Tonight
 Mostly Clear
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Monday Night
 Mostly Clear
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Tuesday Night
 Mostly Clear
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Wednesday Night
 Mostly Clear
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Thursday Night
 Mostly Clear
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Friday Night
 Mostly Clear
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Saturday Night
 Mostly Clear
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| Lo 65 °F |
Lo 66 °F |
Lo 67 °F |
Lo 68 °F |
Lo 69 °F |
Lo 67 °F |
Lo 66 °F |
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This Afternoon
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Sunny, with a high near 77. South wind around 10 mph, with gusts as high as 20 mph. |
Tonight
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Mostly clear, with a low around 65. South wind 5 to 10 mph. |
Monday
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Sunny, with a high near 78. South wind 0 to 10 mph, with gusts as high as 20 mph. |
Monday Night
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Mostly clear, with a low around 66. South wind 5 to 10 mph. |
Tuesday
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Sunny, with a high near 80. South wind 0 to 5 mph. |
Tuesday Night
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Mostly clear, with a low around 67. |
Wednesday
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Sunny, with a high near 81. |
Wednesday Night
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Mostly clear, with a low around 68. |
Thursday
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Sunny, with a high near 84. |
Thursday Night
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Mostly clear, with a low around 69. |
Friday
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Sunny, with a high near 82. |
Friday Night
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Mostly clear, with a low around 67. |
Saturday
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Sunny, with a high near 81. |
Saturday Night
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Mostly clear, with a low around 66. |
Forecast from NOAA-NWS
for Lake Arrowhead, CA.
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