Summit Terrace, California Weather
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Weather Forecast for Summit Terrace, California : San Bernardino County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 34.3452799 Longitude: -117.4217148 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday Mostly Sunny on Wednesday 60% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday
Low: 64°F High: 85°F High: 83°F High: 75°F High: 76°F High: 78°F High: 79°F High: 81°F
Low: 67°F Low: 65°F Low: 62°F Low: 62°F Low: 63°F Low: 64°F  
Mostly Clear Sunny Mostly Sunny Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny
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Current Conditions at
RIVERSIDE - (KRAL)
77°
Clear
as of 9:53 PM PDST
Rel. Humidity: 47%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 64. South wind 5 to 10 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 85. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 67. South wind 5 to 10 mph becoming light southwest after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 83. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 65. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 76.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 62.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 63.
Sunny on Sunday Sunday... Sunny, with a high near 79.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 64.
Sunny on Monday Monday... Sunny, with a high near 81.
Sun Almanac for Summit Terrace, California
Sunrise: 06:34 AM
Sunset: 6:55 PM
Civil Sunrise:06:09 AM
Civil Sunset: 7:20 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 7:49 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:19 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.