Marshall, California Weather
Marshall, California — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Marshall, Marin County.
Tides, marine forecast and fishing conditions near Marshall. Tide source:
Full aviation weather for Marshall is published on the Marin County Airport - Gnoss Field (KDVO) page, 30 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Marshall have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Marshall: Charles M. Schulz Sonoma County Airport (KSTS) 39 km · Napa County Airport (KAPC) 54 km · Healdsburg Municipal Airport (KHES) 55 km
Conditions reported at KDVO describe the airfield itself. Weather 30 km away can differ, particularly in terrain or near the coast. For conditions at Marshall specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Marshall.
About Marshall, California
Marshall, California, exhales a quiet, coastal breath. It lies 14.8 miles west-south-west of Petaluma, CA (from Petaluma, CA: bearing 251°T), and is situated 4.6 miles north-north-west of Inverness. The land here, just north of the bay's expansive curve, is a study in gentle surrender, where rolling hills, greened by the persistent Pacific mist, slope down to meet the oyster beds and the placid waters of Tomales Bay. Salt-laced air, cool even in the height of summer, carries the faint cries of gulls and the low hum of boat engines. The architecture, a scattering of weathered wood and corrugated metal, seems to lean into the landscape, as if seeking shelter from the winds that sweep in from the ocean, while the ubiquitous smell of brine and damp earth is a constant, grounding presence. Marshall's story is intrinsically tied to the bounty of its waters, a heritage deeply rooted in the oyster cultivation that still defines much of its local economy. For generations, this has been a place where the rhythm of the tides dictates the pace of life, where families have coaxed sustenance from the nutrient-rich bay. While the fishing fleets of yesteryear have largely given way to the meticulous cultivation of oysters and mussels, that spirit of connection to the sea persists. The handful of businesses that dot the shoreline, from unassuming oyster bars to small-scale aquaculture operations, are testaments to a resilience forged by the constant embrace of the Pacific. It's a place where the past is not so much buried as it is interwoven with the present, a quiet continuity felt in the way the community engages with its environment.
Live animated radar for Marshall and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Marshall, Marin County, California |
| Coordinates | 38.160477°N, 122.894162°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 94940 |
| Area Code | 510 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Marshall, California Weather Page
This page provides live weather conditions and forecasts for Marshall, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Marshall includes coordinates 38.160477°N, 122.894162°W, situated in Marin County. ZIP code 94940. Telephone area code: 510. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
