| National Weather Service Forecast for:
Grand Terrace CA Issued by: National Weather Service San Diego, CA |
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| Updated: 8:58 pm PDT Jun 11, 2025 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm. |
| Thursday |
Sunny, with a high near 91. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. |
| Thursday Night |
Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Friday |
Mostly sunny, with a high near 91. Light west wind increasing to 5 to 10 mph in the afternoon. |
| Friday Night |
Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming light and variable in the evening. |
| Saturday |
Mostly sunny, with a high near 94. |
| Saturday Night |
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. |
| Sunday |
Partly sunny, then gradually becoming sunny, with a high near 97. |
| Sunday Night |
Mostly clear, with a low around 66. |
| Monday |
Sunny, with a high near 94. |
| Monday Night |
Mostly clear, with a low around 64. |
| Tuesday |
Sunny, with a high near 89. |
| Tuesday Night |
Mostly clear, with a low around 65. |
| Wednesday |
Sunny, with a high near 94. |
Forecast from NOAA-NWS for Grand Terrace CA.
