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Summit Terrace, California Weather Forecast
Summit Terrace, California Weather
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Weather Forecast for Summit Terrace, California : San Bernardino County
Issued: 12:56 pm PST Dec 17, 2025 Latitude: 34.3452799 Longitude: -117.4217148 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Clear on Overnight Sunny on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 10% chance of  on Tuesday Rain on Wednesday
Low: 51°F High: 69°F High: 69°F High: 66°F High: 64°F High: 63°F High: 59°F High: 52°F
Low: 53°F Low: 51°F Low: 51°F Low: 49°F Low: 48°F Low: 48°F  
Clear Sunny Sunny Sunny Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
VICTORVILLE - (KVCV)
54°
Clear
as of 12:50 AM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
5 MPH
Gust: 12 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
55°
Clear
Haze
as of 12:53 AM PST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 6 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
50°
Clear
Mist
as of 12:53 AM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 6 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
50°
Clear
Mist
as of 1:03 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 3 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 51. North wind around 5 mph.

Sunny on Thursday Thursday... Sunny, with a high near 69. North wind around 5 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 53. Southwest wind around 5 mph.

Sunny on Friday Friday... Sunny, with a high near 69. South wind 5 to 10 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 51. Southwest wind around 10 mph.

Sunny on Saturday Saturday... Sunny, with a high near 66.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 51.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 64.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 49.

Partly Sunny on Monday Monday... Partly sunny, with a high near 63.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 48.

10% chance of  Tuesday Tuesday... A slight chance of showers. Partly sunny, with a high near 59.

20% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 48.

Rain on Wednesday Wednesday... Showers likely. Mostly cloudy, with a high near 52.

Current Radar Image


Sun Almanac for Summit Terrace, California
Sunrise: 06:51 AM
Sunset: 4:42 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:12 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.