Enter your search query in the box below.

South San Francisco, California Weather

South San Francisco, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for South San Francisco, San Mateo County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near South San Francisco. Tide source:

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Flight conditions near South San Francisco. Data source: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…

About South San Francisco, California

South San Francisco unfurls from the western edge of the San Francisco Bay, a landscape of rolling hills that eventually surrender to the broad, shimmering expanse of the water. It lies 1.7 miles north of San Bruno, CA (from San Bruno, CA: bearing 6°T), and is situated 8.3 miles south of San Francisco. The air, perpetually kissed by the Pacific’s cool breath, carries the briny tang of the sea, a constant reminder of the proximity to the ocean. Here, the terrain is sculpted by the persistent breezes, shaping the hardy chaparral into resilient forms that cling to the slopes, their muted greens a steadfast presence against the often-cerulean sky. The city itself is a mosaic of human endeavor, its residential streets climbing and descending with the natural contours of the land, offering glimpses of the bay’s vastness from unexpected vantage points. The history of South San Francisco is deeply intertwined with the dreams of pioneers and the relentless march of industry, a legacy most vividly embodied by the imposing granite edifice that once dominated its skyline, a beacon of the burgeoning pharmaceutical industry. This potent blend of innovation and enterprise has long defined the local economy, attracting a diverse population drawn by the promise of opportunity. Though the grand old buildings may stand as silent witnesses to a bygone era, the spirit of progress continues to hum through the arteries of South San Francisco, evident in the bustling industrial parks and the quiet hum of laboratories. The community remains anchored by its deep connection to the bay, its waterways a vital part of its identity, reflecting the ever-changing light from dawn’s soft blush to the fiery spectacle of sunset.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for South San Francisco and surroundings — RainViewer.

Loading radar…
🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
Calculating…
LocationSouth San Francisco, San Mateo County, California
Coordinates37.654722°N, 122.407778°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)94080, 94083
Area Code415, 628
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This South San Francisco, California Weather Page

This page provides live weather conditions and forecasts for South San Francisco, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 South San Francisco includes coordinates 37.654722°N, 122.407778°W, situated in San Mateo County. ZIP code 94080, 94083. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.