Weather for Martinez, California
Current Weather
Humidity: 86%
Feels Like: 51.4°F
Wind: NE 2.5 mph
Wind Gusts: 2.9 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 6 mi
UV Index: 0.2
Five Day Weather Forecast
Fri
H: 55°F
L: 46°F
Sat
H: 62°F
L: 41°F
Sun
H: 66°F
L: 41°F
Mon
H: 58°F
L: 39°F
Tue
H: 64°F
L: 48°F
Air Quality
Nitrogen Dioxide: 56.65 μg/m3
Sulphur Dioxide: 9.05 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:50 PM
Daylight: 9 hrs 47 mins
Moon Transit: 6:48 PM
Moonset: 12:42 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM6:18 PM - 8:48 PM
Minor Periods
12:28 AM - 1:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Dense Fog Advisory issued November 27 at 1:26PM PST until November 28 at 11:00AM PST by NWS Sacramento CA
Effective: Thu November 27, 2025, 9:26 PM
Expires: Fri November 28, 2025, 7:00 PM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, and Northern San Joaquin Valley. * WHEN...From 10 PM tonight to 11 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Find the latest road conditions at quickmap.dot.ca.gov
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Beach Hazards Statement issued November 28 at 3:24AM PST until November 30 at 10:00PM PST by NWS San Francisco CA
Effective: Fri November 28, 2025, 11:24 AM
Expires: Sat November 29, 2025, 3:00 AM
* WHAT...Moderate to long period northwesterly swell will result in an increased risk for sneaker waves and rip currents. Breaking waves of 13 to 18 feet are expected. * WHERE...Pacific Coast beaches. * WHEN...Through 10 PM PST Sunday evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. Rip currents are typically more frequent and stronger in the vicinity of jetties, inlets, and piers.
Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Stay off the rocks and NEVER turn your back on the ocean!
Weather Forecast
Average Temperature: 49°F
Average Humidity: 93%
Wind: 3.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 42.6 μg/m3
Sulphur Dioxide: 8.37 μg/m3
Ozone: 12.04 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:50 PM
Daylight: 9 hrs 47 mins
Moon Transit: 6:48 PM
Moonset: 12:42 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM6:18 PM - 8:48 PM
Minor Periods
12:28 AM - 1:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 49.5°F
Average Humidity: 85%
Wind: 4.7 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 47.45 μg/m3
Sulphur Dioxide: 8.39 μg/m3
Ozone: 14.32 μg/m3
Astronomical
Sun Transit: 11:57 AM
Sunset: 4:50 PM
Daylight: 9 hrs 45 mins
Moon Transit: 6:12 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%
Best Times for Fishing or Hunting
Major Periods
2:15 AM - 4:45 AM5:42 PM - 8:12 PM
Minor Periods
12:52 AM - 2:22 PM12:19 AM - 1:49 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 51.7°F
Average Humidity: 80%
Wind: 4.5 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 42.12 μg/m3
Sulphur Dioxide: 6.52 μg/m3
Ozone: 16.52 μg/m3
Astronomical
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 44 mins
Moon Transit: 8:22 PM
Moonset: 1:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:52 PM - 10:22 PM
Minor Periods
1:18 PM - 2:48 PM1:27 AM - 2:57 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 49.3°F
Average Humidity: 73%
Wind: 5.8 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 30.41 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 26.44 μg/m3
Astronomical
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 43 mins
Moon Transit: 9:14 PM
Moonset: 3:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM8:44 PM - 11:14 PM
Minor Periods
1:47 PM - 3:17 PM2:39 AM - 4:09 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 54.5°F
Average Humidity: 55%
Wind: 2.7 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 41.83 μg/m3
Sulphur Dioxide: 5.89 μg/m3
Ozone: 5.77 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:49 PM
Daylight: 9 hrs 42 mins
Moon Transit: 10:11 PM
Moonset: 4:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
4:45 AM - 7:15 AM12:00 AM - 12:00 AM
Minor Periods
2:21 PM - 3:51 PM3:56 AM - 5:26 AM
Action Rating: 3 out of 5