Searching for live San Francisco weather today? Right now the temperature in San Francisco is registering at 12°C under clear conditions, with relative humidity around 90% and winds near 6 km/h. Today's forecast spans a low of 12°C and a high of 19°C. These readings shape outdoor comfort, the feels-like temperature, and local air quality throughout the day.
San Francisco, United States
Friday, July 17•10:12 AMLocal Time
LIVEConfidence: High
12°
Clear Sky
FEELS LIKE12°
HIGH19°
LOW12°
San Francisco
United States
UV Index
8
Very High
AQI
50
Good
Visibility
13.8 km
Clear
Humidity
90%
Relative humidity
90%
Nepal weather intelligence
San Francisco Weather Today
Current conditions, hourly forecast, and 14-day outlook for San Francisco, United States — temperature, rainfall chance, wind, humidity, AQI, sunrise and sunset.
24-Hour Precision Forecast
Now17°💧 2%
1219°💧 1%
1319°💧 1%
1419°💧 1%
1519°
1618°
1717°
1817°
1916°
2014°
2114°💧 1%
2213°💧 1%
2313°💧 2%
0013°💧 1%
0113°💧 1%
0212°💧 1%
0312°💧 1%
0412°💧 1%
0512°💧 1%
0612°
0712°
0812°
0913°
1014°
14-Day Forecast
TodayJul 17
☁️12°19°
SatJul 18
🌫️12°17°
SunJul 19
☁️13°17°
MonJul 20
☁️14°18°
TueJul 21
☁️15°23°
WedJul 22
⛅18°20°
ThuJul 23
⛅15°19°
FriJul 24
☁️13°17°
SatJul 25
☁️13°18°
SunJul 26
⛅14°17°
MonJul 27
⛅14°17°
TueJul 28
⛅13°18°
WedJul 29
⛅14°19°
ThuJul 30
⛅14°20°
Climate Overview
📊 San Francisco Weather Overview Today
Today in San Francisco, the weather conditions feature clear sky skies with a current temperature of 12°C. It feels like 12°C due to humidity levels at 90%. Winds are blowing from the WSW at 6 km/h, providing a light breeze across the region. Precipitation probability remains low at 2%, offering a high chance of dry, clear conditions for outdoor commutes, travel, and sightseeing. The daily temperature is forecast to fluctuate, reaching a daytime high of 19°C and dropping to a nighttime low of 12°C.
Climate & Travel Guide
San Francisco Weather & Seasonal Climate Analysis — United States
🧭 What Shapes San Francisco's Weather
San Francisco has a cool-summer Mediterranean climate — mild temperatures all year, with the famous summer fog rolling in off the Pacific. The most comfortable stretch of the year is generally September and October.
🗓️ Best Time to Visit San Francisco
For travellers, the most reliable weather in San Francisco usually falls between September and October. Use the 14-day outlook and hourly graph below to fine-tune day trips, and check the air quality panel, since pollution levels in United States can shift with the season.
📅 14-Day Temperature & Rain Trends
Our extended 14-day forecast for San Francisco tracks how daytime highs near 19°C and overnight lows near 12°C evolve over the coming fortnight. Weather systems moving through will decide cloud build-up and rainfall frequency, so monitor the hour-by-hour graph to pinpoint dry windows for commutes, treks, and outdoor plans in San Francisco.
Frequently Asked Questions
Weather FAQ
What is the current weather in San Francisco?
Current temperature in San Francisco is 12°C with current conditions. Check the hourly forecast for detailed hour-by-hour predictions.
How accurate is the Aethera forecast?
Aethera uses high-resolution numerical weather prediction models updated hourly. Forecasts are typically accurate within 1–2°C for the next 24 hours and within 3–5°C for the 7–14 day range.
What weather data does Aethera provide?
Aethera provides real-time temperature, feels-like temperature, wind speed and direction, humidity, precipitation probability, UV index, air quality index (AQI), 14-day daily forecast, and 48-hour hourly forecasts.
What does the Air Quality Index (AQI) mean?
AQI measures air pollution: 0–50 Good, 51–100 Moderate, 101–150 Unhealthy for Sensitive Groups, 151–200 Unhealthy, 201–300 Very Unhealthy, 301+ Hazardous. Aethera shows real-time AQI with PM2.5, PM10, ozone, and NO2 breakdowns.
Is Aethera free to use?
Yes, Aethera is completely free. Real-time forecasts, air quality data, hourly and 14-day predictions, weather alerts, and smart recommendations — all at no cost.
How do I check the 14-day weather forecast?
Scroll down to the Daily Forecast section on the main page to see a 14-day forecast with high/low temperatures, precipitation probability, UV index, and sunrise/sunset times for each day.
How do I get weather for my exact location?
Click the location icon in the search bar and allow browser location access. Aethera will automatically fetch weather data for your GPS coordinates with high precision.
What is the UV index and when is it dangerous?
UV index measures ultraviolet radiation intensity: 0–2 Low (no protection needed), 3–5 Moderate (sunscreen recommended), 6–7 High (protection required), 8–10 Very High (extra protection), 11+ Extreme (avoid sun exposure between 10am–4pm).
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