| National Weather Service Forecast for:
Fallbrook CA Issued by: National Weather Service San Diego, CA |
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| Updated: 1:02 pm PST Dec 19, 2025 | ||||||||||||||||||
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| Tonight |
Partly cloudy, with a low around 50. Calm wind. |
| Saturday |
Mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon. |
| Saturday Night |
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind. |
| Sunday |
Patchy fog before 10am. Otherwise, partly sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon. |
| Sunday Night |
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph. |
| Monday |
Patchy fog before 10am. Otherwise, partly sunny, with a high near 71. |
| Monday Night |
Mostly cloudy, with a low around 50. |
| Tuesday |
A chance of showers, mainly after 4pm. Partly sunny, with a high near 68. |
| Tuesday Night |
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 54. |
| Wednesday |
Showers. The rain could be heavy at times. Cloudy, with a high near 64. |
| Wednesday Night |
Showers. The rain could be heavy at times. Cloudy, with a low around 54. |
| Christmas Day |
Showers. Mostly cloudy, with a high near 65. |
| Thursday Night |
Showers. Mostly cloudy, with a low around 51. |
| Friday |
Showers likely. Mostly cloudy, with a high near 63. |
Forecast from NOAA-NWS for Fallbrook CA.
