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Martinez, California Weather Forecast
Martinez, California Weather
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Weather Forecast for Martinez, California : Tuolumne County
Issued: 1:21 am PST Dec 18, 2025 Latitude: 38.0232567 Longitude: -120.3796384 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on This Afternoon Increasing Clouds on Tonight 60% chance of rain on Friday 70% chance of rain on Saturday 90% chance of thunderstorms on Sunday Rain on Monday Rain on Tuesday Rain on Wednesday
High: 61°F Low: 42°F High: 58°F High: 57°F High: 54°F High: 53°F High: 54°F High: 52°F
Low: 48°F Low: 49°F Low: 48°F Low: 46°F Low: 45°F  
Sunny Increasing Clouds Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
MERCED - (KMCE)
52°
Cloudy
Mist
as of 11:16 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 1 1/2 Miles
Pressure: 30.20 in.
Flight Rule: IFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
MATHER AFB - (KMHR)
54°
Cloudy
Mist
as of 11:35 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 4 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
8 MPH
170° South
Cloud Level(s): Solid Overcast at 600ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 61. Calm wind.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 42. Calm wind.
60% chance of rain Friday Friday... Showers likely after 10am. Mostly cloudy, with a high near 58. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Friday Night Friday Night... Showers. Low around 48. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of rain Saturday Saturday... Showers likely. Mostly cloudy, with a high near 57. Calm wind. Chance of precipitation is 70%.
90% chance of thunderstorms Saturday Night Saturday Night... Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
90% chance of thunderstorms Sunday Sunday... Showers, with thunderstorms also possible after 4pm. High near 54. Chance of precipitation is 90%.
Thunderstorms on Sunday Night Sunday Night... Showers and possibly a thunderstorm. Cloudy, with a low around 48.
Rain on Monday Monday... Showers. Cloudy, with a high near 53.
Thunderstorms on Monday Night Monday Night... Showers likely, with thunderstorms also possible after 10pm. Cloudy, with a low around 46.
Rain on Tuesday Tuesday... Showers likely. Cloudy, with a high near 54.
Rain on Tuesday Night Tuesday Night... Showers. Cloudy, with a low around 45.
Rain on Wednesday Wednesday... Showers. Cloudy, with a high near 52.
Current Radar Image


Sun Almanac for Martinez, California
Sunrise: 07:13 AM
Sunset: 4:44 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:19 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.