National Weather Service Forecast for:
Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA |
| Updated: Thu, 19-Feb-2026 12:36pm PST |
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| Lake Arrowhead
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This Afternoon
 Chance Snow Showers
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Friday
 Mostly Sunny
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Saturday
 Sunny
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Sunday
 Sunny
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Monday
 Mostly Sunny
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Tuesday
 Mostly Sunny
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Wednesday
 Slight Chance Rain Showers
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| Hi 34 °F |
Hi 35 °F |
Hi 45 °F |
Hi 52 °F |
Hi 57 °F |
Hi 56 °F |
Hi 54 °F |
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Tonight
 Chance Snow Showers then Mostly Cloudy
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Friday Night
 Mostly Clear
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Saturday Night
 Partly Cloudy
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Sunday Night
 Partly Cloudy
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Monday Night
 Partly Cloudy
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Tuesday Night
 Partly Cloudy then Slight Chance Rain Showers
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Wednesday Night
 Partly Cloudy
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| Lo 22 °F |
Lo 26 °F |
Lo 33 °F |
Lo 39 °F |
Lo 44 °F |
Lo 44 °F |
Lo 43 °F |
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Winter Storm Warning
This Afternoon
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A chance of snow showers and patchy fog. Mostly cloudy, with a high near 34. Southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible. |
Tonight
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A chance of snow showers and patchy fog before 10pm. Mostly cloudy, with a low around 22. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible. |
Friday
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Mostly sunny, with a high near 35. South wind 0 to 5 mph. |
Friday Night
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Mostly clear, with a low around 26. Southeast wind 0 to 5 mph. |
Saturday
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Sunny, with a high near 45. Southeast wind around 5 mph. |
Saturday Night
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Partly cloudy, with a low around 33. |
Sunday
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Sunny, with a high near 52. |
Sunday Night
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Partly cloudy, with a low around 39. |
Monday
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Mostly sunny, with a high near 57. |
Monday Night
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Partly cloudy, with a low around 44. |
Tuesday
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Mostly sunny, with a high near 56. |
Tuesday Night
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A slight chance of rain showers after 4am. Partly cloudy, with a low around 44. |
Wednesday
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A slight chance of rain showers before 4pm. Mostly sunny, with a high near 54. |
Wednesday Night
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Partly cloudy, with a low around 43. |
Forecast from NOAA-NWS
for Lake Arrowhead, CA.
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