Green Valley Lake, California Weather
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Weather Forecast for Green Valley Lake, California : San Bernardino County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 34.2408403 Longitude: -117.0772605 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight 20% chance of thunderstorms on Tuesday 20% chance of thunderstorms on Wednesday 70% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 10% chance of thunderstorms on Saturday 10% chance of thunderstorms on Sunday Sunny on Monday
Low: 53°F High: 73°F High: 71°F High: 64°F High: 64°F High: 67°F High: 69°F High: 69°F
Low: 56°F Low: 54°F Low: 52°F Low: 52°F Low: 53°F Low: 54°F  
Mostly Clear Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny
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Current Conditions at
MARCH AFB - (KRIV)
84°
Clear
as of 6:55 PM PDST
Rel. Humidity: 32%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
84°
Clear
as of 6:53 PM PDST
Rel. Humidity: 32%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
VICTORVILLE - (KVCV)
84°
Clear
as of 7:15 PM PDST
Rel. Humidity: 21%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
12 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
86°
Clear
as of 6:53 PM PDST
Rel. Humidity: 35%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 53. Southeast wind around 5 mph.
20% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 73. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 56. South wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 54. South wind around 5 mph becoming east after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 64.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 52.
10% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 67.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 53.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Sunny, with a high near 69.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 54.
Sunny on Monday Monday... Sunny, with a high near 69.
Current Radar Image


Sun Almanac for Green Valley Lake, California
Sunrise: 06:32 AM
Sunset: 6:55 PM
Civil Sunrise:06:07 AM
Civil Sunset: 7:20 PM
Nautical Sunrise: 05:37 AM
Nautical Sunset: 7:49 PM
Astro Sunrise: 05:07 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.