| National Weather Service Forecast for:
Bostonia, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Tue, 12-May-2026 12:47pm PDT | ||||||||||||||||||||||||||||||||||||||||
| El Cajon | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 75. Southwest wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 55. Southwest wind 0 to 5 mph. |
| Wednesday |
Mostly sunny, with a high near 77. West wind 0 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 53. Northwest wind 0 to 10 mph. |
| Thursday |
Sunny, with a high near 77. West wind 0 to 10 mph. |
| Thursday Night |
Patchy fog after 5am. Partly cloudy, with a low around 54. |
| Friday |
Patchy fog before 11am. Sunny, with a high near 76. |
| Friday Night |
Mostly clear, with a low around 53. |
| Saturday |
Sunny, with a high near 78. |
| Saturday Night |
Partly cloudy, with a low around 54. |
| Sunday |
Mostly sunny, with a high near 76. |
| Sunday Night |
Partly cloudy, with a low around 53. |
| Monday |
Sunny, with a high near 80. |
| Monday Night |
Partly cloudy, with a low around 54. |
Forecast from NOAA-NWS for Bostonia, CA.