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Weather Forecasts
Data updated Oct 28, 2026 · 6:01 AM EDT
San Jose, CA Weather Today
Current conditions and 7-day forecast from the National Weather Service
Right Now
46°F
🌫 Patchy Fog
Today
69° / 47°
High / Low
Rain Chance
1%
Today
Wind
1 mph SSE
Humidity 100%
Snapshot
It is 46°F and patchy fog in San Jose right now. Overnight: Patchy fog. Partly cloudy, with a low around 45. South wind around 2 mph. Over the next week, highs range from 64°F to 71°F. No significant rain is expected this week.
Next 12 Hours
6 AM🌫46°0%
7 AM🌫46°0%
8 AM🌫45°0%
9 AM🌫45°1%
10 AM🌫45°0%
11 AM🌫45°0%
12 PM⛅51°0%
1 PM⛅57°0%
2 PM⛅61°0%
3 PM☀64°0%
4 PM☀67°0%
5 PM⛅69°0%
7-Day Forecast
| Day | Conditions | High | Low | Rain |
|---|---|---|---|---|
| Wednesday | 🌫 Patchy Fog then Mostly Sunny | 69° | 47° | 1% |
| Thursday | ☁ Mostly Cloudy | 70° | 47° | 0% |
| Friday | 🌫 Patchy Fog then Mostly Sunny | 68° | 44° | 1% |
| Saturday | 🌫 Areas Of Fog then Mostly Cloudy | 64° | 44° | 14% |
| Sunday | ☀ Sunny | 66° | 44° | 5% |
| Monday | ⛅ Mostly Sunny | 70° | 48° | 7% |
| Tuesday | 🌧 Chance Light Rain | 71° | — | 25% |
Detailed Forecast
Overnight: Patchy fog. Partly cloudy, with a low around 45. South wind around 2 mph.
Wednesday: Patchy fog before 9am. Mostly sunny, with a high near 69. West northwest wind 2 to 8 mph.
Wednesday Night: Mostly cloudy, with a low around 47. Southwest wind 1 to 6 mph.
Thursday: Mostly cloudy, with a high near 70. South southwest wind 0 to 3 mph.
Thursday Night: Patchy fog after 5am. Mostly cloudy, with a low around 47. Southwest wind 1 to 5 mph.
Friday: Patchy fog before 9am. Mostly sunny, with a high near 68.
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What is the weather in San Jose, CA today?
Overnight: Patchy fog. Partly cloudy, with a low around 45. South wind around 2 mph.
Will it rain in San Jose, CA this week?
No significant rain is in the 7-day forecast.
What is the warmest day this week in San Jose?
Tuesday, with a high near 71°F.
Data source & method: National Weather Service (NOAA). Data updated Oct 28, 2026 · 6:01 AM EDT. This page refreshes automatically; figures are shown exactly as published by the source. How we source data.