Lake Arrowhead, California Weather
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Weather Forecast for Lake Arrowhead, California : San Bernardino County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 34.2483396 Longitude: -117.1892078 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Sunny on Tuesday 20% chance of thunderstorms on Wednesday 70% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday
Low: 62°F High: 78°F High: 76°F High: 68°F High: 69°F High: 71°F High: 72°F High: 74°F
Low: 64°F Low: 62°F Low: 60°F Low: 60°F Low: 60°F Low: 61°F  
Mostly Clear Sunny Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny
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Current Conditions at
MARCH AFB - (KRIV)
70°
Clear
as of 11:55 PM PDST
Rel. Humidity: 52%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
73°
Clear
as of 11:53 PM PDST
Rel. Humidity: 56%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
VICTORVILLE - (KVCV)
70°
Clear
as of 12:15 AM PDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
75°
Clear
as of 11:53 PM PDST
Rel. Humidity: 64%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 62. South wind around 5 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 78. South wind 5 to 10 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 64. South wind around 5 mph becoming calm.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 69.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 60.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 71.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 60.
Sunny on Sunday Sunday... Sunny, with a high near 72.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 61.
Sunny on Monday Monday... Sunny, with a high near 74.
Current Radar Image


Sun Almanac for Lake Arrowhead, California
Sunrise: 06:33 AM
Sunset: 6:54 PM
Civil Sunrise:06:08 AM
Civil Sunset: 7:19 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 7:48 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 8:18 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.