Aethera Logo

San Francisco, United States

Friday, August 2810:10 AMLocal Time

LIVEConfidence: High
14°
Overcast
FEELS LIKE14°
HIGH21°
LOW14°
San Francisco landscape

San Francisco

United States

UV Index
7
High
AQI
38
Good
Visibility
15.7 km
Clear
Humidity
86%
Relative humidity
86%
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

Now19°💧 1%
1220°💧 1%
1321°💧 1%
1421°💧 1%
1520°💧 1%
1621°💧 1%
1720°💧 1%
1818°💧 2%
1917°💧 2%
2016°💧 2%
2115°💧 2%
2214°💧 1%
2314°💧 1%
0013°
0113°
0213°
0313°
0414°
0513°
0613°
0713°💧 1%
0815°💧 1%
0916°💧 1%
1018°💧 1%
14-Day Forecast
TodayAug 28
☁️14°
21°
SatAug 29
☁️13°
20°
SunAug 30
14°
17°
MonAug 31
☁️14°
18°
TueSep 1
☁️15°
18°
WedSep 2
☁️15°
18°
ThuSep 3
☁️15°
19°
FriSep 4
☀️15°
18°
SatSep 5
☀️14°
18°
SunSep 6
14°
17°
MonSep 7
☀️14°
18°
TueSep 8
☀️15°
19°
WedSep 9
15°
21°
ThuSep 10
16°
19°
AQI

Air Quality

GOOD
38US AQI
Good for Sensitive GroupsPM2.5 is current main pollutant.
PM 2.5
7.2 µg/m³
PM 10
10.9 µg/m³
Ozone (O3)
12.5 µg/m³
"Pollution levels are currently elevated in San Francisco. Sensitive groups should calculate outdoor exercise."
👕

Comfort Check

🧥
Light JacketIt's a bit chilly. A light jacket or a warm sweater should be perfect. Also, the UV index is high, so wear sunscreen and sunglasses.

Nearby Locations

  • Los Angeles559.1 km away
    15°COvercast
  • Chicago2984.9 km away
    14°COvercast
  • Toronto3643.8 km away
    14°COvercast
  • New York4129.1 km away
    15°COvercast
Adventure Intelligence

Everest & High Pass Trekking Forecast

Current visibility at 15.7 km. Monitoring regional pressure changes over the sub-Himalayan corridor for stable climbing windows.

Climate Overview

📊 San Francisco Weather Overview Today

Today in San Francisco, the weather conditions feature overcast skies with a current temperature of 14°C. It feels like 14°C due to humidity levels at 86%. Winds are blowing from the W at 8 km/h, providing a light breeze across the region. Precipitation probability remains low at 5%, 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 21°C and dropping to a nighttime low of 14°C.

Climate & Travel Guide

San Francisco Weather & Seasonal Climate Analysis — United States

Searching for live San Francisco weather today? Right now the temperature in San Francisco is registering at 14°C under clear conditions, with relative humidity around 86% and winds near 8 km/h. Today's forecast spans a low of 14°C and a high of 21°C. These readings shape outdoor comfort, the feels-like temperature, and local air quality throughout the day.

🧭 What Shapes San Francisco's Weather

San Francisco has a cool-summer Mediterranean climatemild 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 21°C and overnight lows near 14°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 14°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).

Weather News & Reports

News & Lifestyle Reports

Summer Monsoon 2026: Eastern Nepal Braces for Intensifying PrecipitationSevere Weather
Siddharth Ghimire·May 30, 2026

Summer Monsoon 2026: Eastern Nepal Braces for Intensifying Precipitation

Meteorological departments issue alerts as heavy monsoonal winds carry high moisture from the Bay of Bengal, threatening landslides in hilly districts.

Kathmandu Valley Air Quality: Understanding PM2.5 and Health Protective MeasuresHealth & AQI
May 29, 2026

Kathmandu Valley Air Quality: Understanding PM2.5 and Health Protective Measures

⏱️ 3 min read
Annapurna Safety Guide: Weather Tracking and Packing Essentials for High PassesTrekking & Travel
May 28, 2026

Annapurna Safety Guide: Weather Tracking and Packing Essentials for High Passes

⏱️ 5 min read
Himalayan Glaciers Retreating at Unprecedented Speeds, Satellite Data ShowsClimate
May 25, 2026

Himalayan Glaciers Retreating at Unprecedented Speeds, Satellite Data Shows

⏱️ 4 min read
How Atmospheric Pressure and Humidity Affect Your Daily Joints and Energy LevelsLifestyle
May 24, 2026

How Atmospheric Pressure and Humidity Affect Your Daily Joints and Energy Levels

⏱️ 3 min read

Sun & Daylight

13h 8m total
06:3619:44SunriseSunset
🌙
Moon PhaseWaxing Gibbous
👁️
Visibility15.7 km
Live Doppler Radar

Live Precipitation

RainViewer Live
Loading Doppler Radar tiles...

Bookmarks📍

No saved locations yet.

Bookmark a city to pin it here.