San Jose

San Jose Weather Forecast – Complete Guide to Weather Conditions in United States

Looking for accurate San Jose weather information? You’ve come to the right place! Our comprehensive San Jose weather forecast provides real-time meteorological data updated every 15 minutes, including current conditions, extended 16-day forecasts, hourly predictions, air quality monitoring, and UV index tracking. Whether you’re planning a trip, preparing for outdoor activities, or simply curious about the weather in San Jose, United States, this page delivers all the information you need.

Current Weather Conditions in San Jose

Right now, San Jose is experiencing Mainly Clear conditions. The current temperature is 1°C (feels like -3°C), with today’s high reaching 16°C and a low of 1°C. Generally favorable conditions with some cloud coverage that may provide welcome shade during warmer periods.

Current atmospheric conditions show relative humidity at 75%, barometric pressure at 1031 hPa, and winds blowing at 5 km/h. These conditions are typical for San Jose during the winter season.

San Jose 16-Day Weather Forecast

Our extended forecast for San Jose weather shows varied conditions over the next 16 days. Average high temperatures are expected around 18°C, with lows averaging 9°C. The forecast period anticipates approximately 0mm of precipitation across 0 days with measurable rainfall.

Here’s a quick overview of the upcoming weather in San Jose:

• Saturday, Jan 10: Overcast, High 16°C / Low 1°C
• Sunday, Jan 11: Overcast, High 17°C / Low 2°C
• Monday, Jan 12: Overcast, High 17°C / Low 7°C
• Tuesday, Jan 13: Clear Sky, High 19°C / Low 9°C
• Wednesday, Jan 14: Clear Sky, High 19°C / Low 10°C
• Thursday, Jan 15: Clear Sky, High 20°C / Low 10°C
• Friday, Jan 16: Clear Sky, High 20°C / Low 11°C

San Jose Air Quality Index (AQI)

The current San Jose air quality index stands at 33, classified as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

Key pollutant readings for San Jose include:

• PM2.5 (Fine Particulate Matter): 3.9 µg/m³
• PM10 (Coarse Particulate Matter): 4.3 µg/m³
• O₃ (Ozone): 31 µg/m³

UV Index and Sun Protection in San Jose

Today’s maximum San Jose UV index is expected to reach 3, considered Moderate. Moderate UV exposure risk. Wear sunscreen SPF 30+, sunglasses, and seek shade during midday hours.

Sunrise in San Jose occurs at 7:21 AM, with sunset at 5:08 PM, providing approximately 9.8 hours of daylight. Plan outdoor activities during these hours while taking appropriate sun protection measures based on the UV forecast.

Geographic Information for San Jose

San Jose is located in United States at coordinates 37.3382° N, 121.8863° W, in the Northern Hemisphere. The city sits at an elevation of approximately 26 meters above sea level.

This geographic position influences San Jose’s climate patterns, contributing to its characteristic weather throughout the year. The latitude of 37.3382° affects day length variations and solar intensity across seasons, while the longitude of -121.8863° determines the local timezone and weather pattern timing.

San Jose Climate Overview

Understanding San Jose climate patterns helps visitors and residents plan activities throughout the year. The current winter season brings its typical weather characteristics to the region.

Weather patterns in San Jose are influenced by its geographic location in United States, altitude, proximity to bodies of water, and prevailing wind patterns. These factors combine to create the distinctive climate that residents and visitors experience.

Best Time to Visit San Jose

Planning a trip to San Jose? The best time to visit San Jose depends on your preferences and planned activities. Current conditions show 1°C with Mainly Clear skies, which is suitable for prepared travelers.

Consider these factors when planning your visit:

• Temperature preferences: Current highs around 16°C and lows near 1°C
• Precipitation: 0 days with expected rainfall in the forecast period
• UV exposure: UV index reaching 3 – Moderate level protection recommended
• Air quality: Currently Good for outdoor activities

Weather-Based Activity Recommendations for San Jose

Current Mainly Clear conditions in San Jose offer various activity options. Check hourly forecasts below to plan the best timing for your outdoor plans.

Frequently Asked Questions About San Jose Weather

What is the weather like in San Jose today?

Today in San Jose, expect Mainly Clear conditions with a high of 16°C and a low of 1°C. The current temperature is 1°C with 75% humidity.

What is the UV index in San Jose?

The current UV index in San Jose is 3, classified as Moderate. Moderate UV exposure risk. Wear sunscreen SPF 30+, sunglasses, and seek shade during midday hours.

Is the air quality good in San Jose?

The current air quality index (AQI) in San Jose is 33, rated as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

What is the weather forecast for San Jose this week?

The 7-day forecast for San Jose shows average highs of 18°C and lows of 9°C, with 0 days of expected precipitation totaling 0mm.

Additional San Jose Weather Resources

This page provides comprehensive San Jose weather data sourced from multiple meteorological services and updated in real-time. For the most accurate forecasts, we utilize:

• Open-Meteo API – High-resolution weather forecasting
• Air Quality API – Real-time pollution monitoring
• UV Index API – Solar radiation measurements
• Precipitation Radar – Live weather tracking

Bookmark this page for instant access to San Jose weather forecast information whenever you need it. Data is refreshed every 15 minutes to ensure you always have the latest conditions.

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