San Carlos, California Weather
San Carlos, California — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for San Carlos, San Mateo County.
Tides, marine forecast and fishing conditions near San Carlos. Tide source:
Full aviation weather for San Carlos is published on the San Carlos Airport (KSQL) page, 1 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. 6 airfields within reach of San Carlos 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 San Carlos: Palo Alto Airport (KPAO) 14 km · San Francisco International Airport (KSFO) 16 km · Hayward Executive Airport (KHWD) 21 km · Half Moon Bay Airport (KHAF) 21 km · Moffett Federal Airfield (KNUQ) 21 km
Conditions reported at KSQL describe the airfield itself. Weather 1 km away can differ, particularly in terrain or near the coast. For conditions at San Carlos specifically, see the current conditions and forecast above.
About San Carlos, California
San Carlos unfolds with a gentle grace along the eastern edge of the Peninsula, where rolling hills, softened by the persistent California sun, begin their descent towards the shimmering San Francisco Bay. It lies 1.2 miles south-east of Belmont, CA (from Belmont, CA: bearing 137°T), and is situated 5.3 miles south-east of San Mateo. The air here, especially in the late afternoon, carries a faint salt tang from the distant waters, mingling with the scent of eucalyptus trees that stud the slopes. Houses, a pleasing mix of mid-century ranches and more modern designs, climb the hillsides, their gardens often bursting with the vibrant hues of bougainvillea and roses, a testament to the mild climate that allows such flora to thrive. The landscape is a study in subtle contrasts: the verdant, almost impossibly green hillsides after a winter rain, and the tawny, sun-baked slopes of summer, each with its own distinct beauty. Originally a largely agricultural area, San Carlos blossomed into a residential community with a robust spirit of innovation, particularly in the mid-20th century, attracting families and businesses alike. Its proximity to the burgeoning tech hubs further south has subtly reshaped its economy, yet a strong sense of local identity persists, visible in the charming, walkable downtown core. Here, local businesses, from independent bookstores to family-owned eateries, offer a welcome respite from the more hurried pace of Silicon Valley. The historic San Carlos Museum, housed in the old train depot, offers glimpses into the town's past, a narrative of hardworking settlers and the steady growth that transformed open land into the vibrant, welcoming place San Carlos is today.
Live animated radar for San Carlos 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 | San Carlos, San Mateo County, California |
| Coordinates | 37.507159°N, 122.260522°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 94070 |
| Area Code | 415, 628 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This San Carlos, California Weather Page
This page provides live weather conditions and forecasts for San Carlos, 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 San Carlos includes coordinates 37.507159°N, 122.260522°W, situated in San Mateo County. ZIP code 94070. Telephone area code: 415, 628. 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.
