Fallbrook, California Weather
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Weather Forecast for Fallbrook, California : San Diego County
Issued: 3:29 am PDT Sep 16, 2025 Latitude: 33.3764196 Longitude: -117.2511466 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Increasing Clouds on Tonight 20% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Morning Fog on Saturday Patchy Fog on Sunday Patchy Fog on Monday
High: 93°F Low: 67°F High: 85°F High: 82°F High: 80°F High: 82°F High: 84°F High: 86°F
Low: 66°F Low: 67°F Low: 64°F Low: 64°F Low: 64°F  
Sunny Increasing Clouds Thunderstorms Thunderstorms Thunderstorms Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
CAMP PENDLETON - (KNFG)
59°
Clear
as of 4:52 AM PDST
Rel. Humidity: 87%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
OCEANSIDE - (KOKB)
63°
Cloudy
Mist
as of 5:01 AM PDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 1 1/4 Miles
Pressure: 29.88 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
CARLSBAD - (KCRQ)
64°
Cloudy
as of 4:53 AM PDST
Rel. Humidity: 100%
Dew Point: 64°F
Pressure: 29.88 in.
Wind Data
Calm
Cloud Level(s): Solid Overcast at 100ft
Current Conditions at
RAMONA - (KRNM)
63°
Clear
as of 4:53 AM PDST
Rel. Humidity: 63%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 93. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 67. South wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 85. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
40% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Northwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 20%.
Patchy Fog on Friday Night Friday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64.
Morning Fog on Saturday Saturday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.
Patchy Fog on Saturday Night Saturday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64.
Patchy Fog on Sunday Sunday... Patchy fog. Otherwise, mostly sunny, with a high near 84.
Patchy Fog on Sunday Night Sunday Night... Patchy fog. Otherwise, partly cloudy, with a low around 64.
Patchy Fog on Monday Monday... Patchy fog. Otherwise, mostly sunny, with a high near 86.
Current Radar Image


Sun Almanac for Fallbrook, California
Sunrise: 06:34 AM
Sunset: 6:54 PM
Civil Sunrise:06:09 AM
Civil Sunset: 7:19 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 7:48 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:17 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.