Santa Clara, CA Weather Forecast
Right now it is 63°F and cloudy in Santa Clara (as of Tue, 9:25 AM PST). Today: high near 66°F. Tomorrow: patchy fog then sunny, high near 68°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at San Jose, San Jose International Airport (2 mi from the city center).
Weather tomorrow in Santa Clara
Patchy Fog then Sunny68°FPatchy fog between 9am and 10am. Sunny. High near 68, with temperatures falling to around 64 in the afternoon. Northwest wind 2 to 10 mph, with gusts as high as 18 mph.
Mostly Cloudy then Patchy Fog49°FPatchy fog after 1am. Mostly cloudy, with a low around 49. North northwest wind 1 to 9 mph, with gusts as high as 18 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Santa Clara right now.
7-day forecast
Light Rain
82% chance of rain/snow66°F / 48°FRain. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. South wind 3 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. Tonight: A chance of rain before 10pm, then patchy fog between 2am and 3am. Partly cloudy, with a low around 48. Southeast wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Patchy Fog then Sunny68°F / 49°FPatchy fog between 9am and 10am. Sunny. High near 68, with temperatures falling to around 64 in the afternoon. Northwest wind 2 to 10 mph, with gusts as high as 18 mph. Wednesday Night: Patchy fog after 1am. Mostly cloudy, with a low around 49. North northwest wind 1 to 9 mph, with gusts as high as 18 mph.
Patchy Fog then Mostly Sunny71°F / 47°FPatchy fog before 9am. Mostly sunny, with a high near 71. North wind 1 to 7 mph. Thursday Night: Mostly clear, with a low around 47.
Sunny74°F / 50°FSunny, with a high near 74. Friday Night: Clear, with a low around 50.
Sunny77°F / 50°FSunny, with a high near 77. Saturday Night: Mostly clear, with a low around 50.
Mostly Sunny75°F / 51°FMostly sunny, with a high near 75. Sunday Night: Partly cloudy, with a low around 51.
Partly Sunny73°F / 50°FPartly sunny, with a high near 73. Monday Night: Partly cloudy, with a low around 50.
Forecast issued by NWS forecast office MTR · updated Nov 3, 8:31 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Santa Clara population: 133,446 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Santa Clara?
Wednesday, November 4: Patchy Fog then Sunny, high near 68°F; night: mostly cloudy then patchy fog, low around 49°F.
Where does the Santa Clara forecast come from?
From the National Weather Service forecast office MTR, which writes the official forecast for Santa Clara's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Santa Clara weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Santa Clara (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.