Current conditions at
San Bernardino Intl. Airport (KSBD)
Lat: 34.09027°NLon: 117.24705°WElev: 1086.0ft.
Clear
72°F
22°C
| Humidity | 30% |
| Wind Speed | N 0 MPH |
| Barometer | 30.04 in (1017.27 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 09:55 AM PDT |
Extended Forecast for
Grand Terrace CA
Today

High: 85 °F
Sunny
Tonight

Low: 61 °F
Clear
Monday

High: 85 °F
Sunny
Monday Night

Low: 60 °F
Mostly Clear
Tuesday

High: 81 °F
Sunny
Tuesday Night

Low: 60 °F
Patchy Fog
Wednesday

High: 75 °F
Chance
ShowersWednesday Night

Low: 57 °F
Showers
LikelyThursday

High: 67 °F
Showers
Detailed Forecast
Today
Sunny, with a high near 85. Calm wind.
Tonight
Clear, with a low around 61. South wind around 5 mph becoming calm.
Monday
Sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming south after midnight.
Tuesday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 67.
Thursday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 53.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 73.
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)
12:45 am PDT Oct 18, 2026
10am PDT Oct 18, 2026-6pm PDT Oct 24, 2026


