Grand Terrace, California Weather
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Weather Forecast for Grand Terrace, California : San Bernardino County
Issued: 12:08 pm PDT Jul 2, 2025 Latitude: 34.0339031 Longitude: -117.3136544 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Independence Day Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight Sunny on Thursday Sunny on Independence Day Sunny on Saturday Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday
Low: 60°F High: 89°F High: 91°F High: 93°F High: 94°F High: 96°F High: 99°F High: 101°F
Low: 61°F Low: 61°F Low: 62°F Low: 64°F Low: 67°F Low: 71°F  
Mostly Clear Sunny Sunny Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
RIVERSIDE - (KRAL)
88°
Clear
as of 2:53 PM PDST
Rel. Humidity: 29%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
88°
Mostly Clear
as of 2:53 PM PDST
Rel. Humidity: 33%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 18 MPH
250° West
Cloud Level(s): Few at 12000ft
Current Conditions at
CHINO - (KCNO)
86°
Mostly Clear
as of 2:53 PM PDST
Rel. Humidity: 30%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
270° West
Cloud Level(s): Few at 15000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light southwest after midnight.
Sunny on Thursday Thursday... Sunny, with a high near 89. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight.
Sunny on Independence Day Independence Day... Sunny, with a high near 91. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening.
Sunny on Saturday Saturday... Sunny, with a high near 93.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 62.
Sunny on Sunday Sunday... Sunny, with a high near 94.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 64.
Sunny on Monday Monday... Sunny, with a high near 96.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 67.
Sunny on Tuesday Tuesday... Sunny, with a high near 99.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 71.
Sunny on Wednesday Wednesday... Sunny, with a high near 101.
Current Radar Image


Sun Almanac for Grand Terrace, California
Sunrise: 05:42 AM
Sunset: 8:05 PM
Civil Sunrise:05:13 AM
Civil Sunset: 8:34 PM
Nautical Sunrise: 04:38 AM
Nautical Sunset: 9:09 PM
Astro Sunrise: 03:59 AM
Astro Sunset: 9:48 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.