
Impacts from Rachel
Latest information on impacts from Rachel Read More >
Hazardous Weather Conditions
Current conditions at
San Bernardino Intl. Airport (KSBD)
Lat: 34.09027°NLon: 117.24705°WElev: 1086.0ft.heavy rain
61°F
16°C
| Humidity | 84% |
| Wind Speed | WSW 8 MPH |
| Barometer | 29.51 in (999.32 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 3.00 mi |
| Last update | 11 Oct 05:40 AM PDT |
Extended Forecast for
Grand Terrace CA
Flood Advisory until October 11, 08:00am
NOW until 8:00am Sun
Flood Advisory
Today
High: 69 °F
Showers then
Showers
LikelyTonight

Low: 56 °F
Showers
LikelyColumbus Day

High: 63 °F
Showers
LikelyMonday Night

Low: 52 °F
Chance
ShowersTuesday

High: 67 °F
Becoming
SunnyTuesday Night

Low: 51 °F
Clear
Wednesday

High: 78 °F
Sunny
Wednesday Night

Low: 55 °F
Clear
Detailed Forecast
Today
Showers. High near 69. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tonight
Showers likely, mainly after 11pm. Cloudy, with a low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers likely. Cloudy, with a high near 63. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 67. Calm wind.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grand Terrace CA
34.03°N 117.3°W (Elev. 1122 ft)
34.03°N 117.3°W (Elev. 1122 ft)
4:20 am PDT Oct 11, 2026
7am PDT Oct 11, 2026-6pm PDT Oct 17, 2026



