Weather for Martinez, California
Current Weather
Humidity: 52%
Feels Like: 63°F
Wind: NNE 5.1 mph
Wind Gusts: 5.9 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.7
Five Day Weather Forecast
Fri
H: 68°F
L: 52°F
Sat
H: 65°F
L: 43°F
Sun
H: 57°F
L: 42°F
Mon
H: 63°F
L: 48°F
Tue
H: 64°F
L: 49°F
Air Quality
Nitrogen Dioxide: 62.25 μg/m3
Sulphur Dioxide: 8.95 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:53 PM
Daylight: 9 hrs 56 mins
Moon Transit: 1:06 PM
Moonset: 5:36 PM
Moon Phase: New
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
8:35 PM - 11:05 PM12:36 AM - 3:06 PM
Minor Periods
5:06 PM - 6:36 PM8:04 AM - 9:34 AM
Action Rating: 4 out of 5
Dense Fog Advisory issued November 20 at 11:36PM PST until November 21 at 10:00AM PST by NWS Sacramento CA
Effective: Fri November 21, 2025, 7:36 AM
Expires: Fri November 21, 2025, 6:00 PM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...Until 10 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...For the Central Sacramento Valley, dense fog will likely develop along and east of Highway 99.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Beach Hazards Statement issued November 20 at 2:33PM PST until November 24 at 10:00PM PST by NWS San Francisco CA
Effective: Thu November 20, 2025, 10:33 PM
Expires: Fri November 21, 2025, 6:00 PM
* WHAT...A 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 Monday 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.
Remain out of the water to avoid hazardous swimming conditions. Stay off rocks and never turn your back on the ocean!
Beach Hazards Statement issued November 21 at 8:49AM PST until November 24 at 10:00PM PST by NWS San Francisco CA
Effective: Fri November 21, 2025, 4:49 PM
Expires: Sat November 22, 2025, 5:00 AM
* WHAT...A 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 Monday 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.
Remain out of the water to avoid hazardous swimming conditions. Stay off rocks and never turn your back on the ocean!
Weather Forecast
Average Temperature: 57.7°F
Average Humidity: 70%
Wind: 5.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 34 μg/m3
Sulphur Dioxide: 4.6 μg/m3
Ozone: 22.92 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:53 PM
Daylight: 9 hrs 56 mins
Moon Transit: 1:06 PM
Moonset: 5:36 PM
Moon Phase: New
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
8:35 PM - 11:05 PM12:36 AM - 3:06 PM
Minor Periods
5:06 PM - 6:36 PM8:04 AM - 9:34 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 53.1°F
Average Humidity: 78%
Wind: 2.2 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 43.21 μg/m3
Sulphur Dioxide: 7.27 μg/m3
Ozone: 16.24 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:52 PM
Daylight: 9 hrs 55 mins
Moon Transit: 1:57 PM
Moonset: 6:27 PM
Moon Phase: New
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
9:27 PM - 11:57 PM1:27 PM - 3:57 PM
Minor Periods
5:57 PM - 7:27 PM8:59 AM - 10:29 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 47°F
Average Humidity: 89%
Wind: 2.9 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 47.42 μg/m3
Sulphur Dioxide: 9.11 μg/m3
Ozone: 18.12 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:52 PM
Daylight: 9 hrs 53 mins
Moon Transit: 2:49 PM
Moonset: 7:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:19 PM - 4:49 PM
Minor Periods
6:54 PM - 8:24 PM9:48 AM - 11:18 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 54.2°F
Average Humidity: 67%
Wind: 3.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 35.32 μg/m3
Sulphur Dioxide: 5.28 μg/m3
Ozone: 24.4 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:51 PM
Daylight: 9 hrs 52 mins
Moon Transit: 3:40 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:10 PM - 5:40 PM
Minor Periods
7:57 PM - 9:27 PM10:30 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.7°F
Average Humidity: 52%
Wind: 2.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 51.49 μg/m3
Sulphur Dioxide: 7.72 μg/m3
Ozone: 9.23 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:51 PM
Daylight: 9 hrs 51 mins
Moon Transit: 4:29 PM
Moonset: 9:31 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:59 PM - 6:29 PM
Minor Periods
9:01 PM - 10:31 PM11:05 AM - 12:35 AM
Action Rating: 2 out of 5