Santa Clara County Weather Forecast
Santa Clara County weather: 64°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Santa Clara County?
No - rain is unlikely in Santa Clara County today.
Rain is very unlikely today - plans do not need a backup.
Over the next 7 days, about 0,0 in of precipitation is forecast.
The next 7 days look unusually dry - roughly 0% of a normal October week (0,0 in against 0,1 in).
16-day forecast for Santa Clara County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Oct 26 | ☁️ Overcast | 68° / 49° | 0% | 10 mph | 5 |
| Tue, Oct 27 | ☁️ Overcast | 65° / 49° | 0% | 8 mph | 5 |
| Wed, Oct 28 | ☁️ Overcast | 69° / 44° | 0% | 7 mph | 5 |
| Thu, Oct 29 | ☁️ Overcast | 70° / 56° | 0% | 5 mph | 4 |
| Fri, Oct 30 | ☁️ Overcast | 68° / 54° | 0% | 8 mph | 5 |
| Sat, Oct 31 | ☁️ Overcast | 63° / 53° | 18% | 8 mph | 4 |
| Sun, Nov 1 | ☀️ Clear sky | 67° / 50° | 19% | 5 mph | 4 |
| Mon, Nov 2 | ☁️ Overcast | 72° / 52° | 5% | 5 mph | 4 |
| Tue, Nov 3 | ☁️ Overcast | 74° / 56° | 29% | 6 mph | 4 |
| Wed, Nov 4 | 🌦️ Drizzle | 75° / 58° | 21% · 0,1 in | 5 mph | 4 |
| Thu, Nov 5 | 🌦️ Light showers | 66° / 57° | 34% · 0,3 in | 6 mph | 2 |
| Fri, Nov 6 | 🌦️ Light drizzle | 73° / 61° | 37% · 0,0 in | 17 mph | 3 |
| Sat, Nov 7 | 🌦️ Light showers | 70° / 60° | 35% · 1,1 in | 12 mph | 4 |
| Sun, Nov 8 | ☁️ Overcast | 70° / 57° | 26% | 7 mph | 4 |
| Mon, Nov 9 | ☁️ Overcast | 71° / 58° | 10% | 8 mph | 4 |
| Tue, Nov 10 | ☀️ Clear sky | 76° / 60° | 16% | 5 mph | 4 |
What this means for Santa Clara County
Today is cooler than average for October. The forecast high of 68°F is 10.4°F below the 78°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 51°F.
What to pack, what to skip
- Layers - the daily swing is 58°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Santa Clara County forecast by time range
Santa Clara County weather - more answers
Explore Santa Clara County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Santa Clara County?
Santa Clara County is a county in California. Its coordinates are 37.3541, -121.9552. It lies in North America.
What is the weather like in Santa Clara County right now?
It is currently 64°F (18°C) with clear sky. Humidity is 65% and wind is 9 mph.
When is the best time to visit Santa Clara County?
May, June, July, August, September and October offer the most comfortable conditions in Santa Clara County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Santa Clara County in?
Santa Clara County observes America/Los_Angeles (UTC-07:00). The local time is 10:39 PM.
How many people live in Santa Clara County?
Santa Clara County has a population of approximately 1.9 million.
What is the nearest airport to Santa Clara County?
The closest airports are San Francisco International Airport (SFO), 30 mi away and Los Angeles International Airport (LAX), 309 mi away.
What are the top things to do in Santa Clara County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, Julia Pfeiffer Burns State Park and Half Dome.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 10:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
