Weather forecast for todayAlviso, CA

Weather forecast for today

Current condition 12:48 pm PDT

  • 64°F
  • Feels like:
    64°F
Rain Shower
Rain Shower
  • Precipitation: 0"
  • Wind: 4mphWSW 240°
  • Humidity: 67%
  • Dewpoint: 54°F
  • Pressure: 29.86"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
Currently, occasional drizzles are mixing with brief rain showers.
The temperature is an enjoyable 64.4°F. The current temperature is almost at the maximum expected 66.2°F for today.

Wednesday Oct 21, 2026

  • 66°F
  • 57°F
Light Rain
Light Rain
  • Precip. probability: 76%
  • Precipitation: 0.08"
  • Wind: 7mphNNW 342°
  • Humidity: 72%
  • UV index: 4
  • Sunrise: 7:22 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
On Wednesday, in Alviso, light rain showers will develop under cloudy skies.
Minimal precipitation is forecasted for today. Temperature readings will slightly shift from a daytime peak of a breezy 66.2°F to a nighttime low of a refreshing 57.2°F.
The forecast high of 66.2°F is more in line with November's average of 63.7°F than October's 72.9°F.
Sunrise was at 7:22 am and sunset will be at 6:22 pm; the daylight will last for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest period: 4 pm - 5 pm 66°C.
Coldest period: 7 pm - 10 pm 63°C.

Chance of precipitation

Highest chance: 1 pm 52%.

Hourly weather forecast

  • 1 pm
  • 64°F
  • Feels like:
    64°F
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • Wind: 4mphNNW 337°
  • Humidity: 67%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphNNW 337°
  • Humidity: 69%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 3
  • ▼
  • 3 pm
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphNNW 336°
  • Humidity: 72%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphNNW 344°
  • Humidity: 71%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNW 337°
  • Humidity: 70%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphNNW 333°
  • Humidity: 74%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:22 pm
  • 7 pm
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphWNW 302°
  • Humidity: 80%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 4mphNW 324°
  • Humidity: 77%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphNNW 337°
  • Humidity: 77%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 2mphN 2°
  • Humidity: 79%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 2mphNNW 341°
  • Humidity: 81%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily cloud-filled and occasionally rainy weather is predicted.
With a probability of 52%, minimal rainfall is expected around 1 pm.
The temperature will be between the lowest temperature of 60.8°F and the highest temperature of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The temperature will be more close to what’s typical for November than the usual maximum in October. Forecasts indicate a night temperature a couple of degrees higher than the usual October minimum of 52.7°F.
Updated: Oct 21, 2026 @ 19:48:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:48 pm PDT is 64.4°F.

Today, a few passing showers will bring light rainfall throughout the day.

There is a high chance of rainfall, but precipitation will be minimal.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 57.2°F.
The highest temperature will be a couple of degrees lower than the average maximum of 72.9°F in October. The lowest temperature will be also a few degrees higher than the average low of 52.7°F.

On Wednesday, in Alviso, sunrise was at 7:22 am and sunset will be at 6:22 pm (PDT).

In Alviso, California, the length of the day today will be 11h and 1min.