🇺🇸 Weather in San Francisco
Current Weather in San Francisco
Heat Advisory issued October 2 at 8:53PM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA
21°C
Feels like 20°C. Sunny.
🌬️ 11 km/h NE
💧 57% Humidity
🧭 1012 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 2.2
🌡️ Dew Point: 12°C
🌅 Sunrise: 07:07 AM
🌇 Sunset: 06:50 PM
Map Overlays:
Hourly Forecast for San Francisco
13:00
25°
1%
14:00
25°
1%
15:00
24°
1%
16:00
23°
2%
17:00
23°
2%
18:00
22°
3%
19:00
21°
3%
20:00
21°
3%
21:00
21°
3%
22:00
20°
3%
23:00
20°
4%
00:00
19°
5%
01:00
18°
5%
02:00
18°
16%
03:00
18°
14%
04:00
18°
17%
05:00
18°
17%
06:00
18°
16%
07:00
18°
17%
08:00
19°
15%
09:00
20°
13%
10:00
22°
12%
11:00
23°
10%
12:00
24°
10%
14-Day Forecast for San Francisco
Sat, Oct 03
Sunny
25° /
14°
Sun, Oct 04
Overcast
24° /
18°
Mon, Oct 05
Sunny
23° /
17°
Tue, Oct 06
Sunny
24° /
17°
Wed, Oct 07
Sunny
24° /
18°
Thu, Oct 08
Sunny
22° /
17°
Fri, Oct 09
Sunny
18° /
14°
Sat, Oct 10
Partly Cloudy
16° /
14°
Sun, Oct 11
Sunny
17° /
14°
Mon, Oct 12
Sunny
20° /
16°
Tue, Oct 13
Sunny
21° /
16°
Wed, Oct 14
Sunny
22° /
16°
Thu, Oct 15
Sunny
25° /
18°
Fri, Oct 16
Sunny
28° /
20°
Additional Forecasts for San Francisco
Marine Forecast
🌊 Sig. Wave Height
0.5 m
🌡️ Water Temp
15.7°C
〰️ Swell Height
m
🧭 Swell Direction
SW
⏱️ Swell
Period 9.1s
Tide Forecast
🔽 LOW2026-10-03 00:25 (-0.26m)
🔼 HIGH2026-10-03 07:27 (1.55m)
🔽 LOW2026-10-03 12:09 (0.96m)
🔼 HIGH2026-10-03 18:15 (1.9m)
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 220.0
μg/m³
O₃ (Ozone) 45.0
μg/m³
NO₂ (Nitrogen Dioxide) 26.5 μg/m³
SO₂ (Sulphur Dioxide) 2.3
μg/m³
PM2.5 (Fine particles) 24.0 μg/m³
PM10 (Coarse particles) 26.1 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in United States
Learn More about Weather
FAQ — Weather in San Francisco
Common questions about this page — answers customized for the data shown above.
The current weather in San Francisco is sunny with a temperature of 21°C (feels like 20°C). Humidity is at 57% and wind speed is 11 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for San Francisco shows overcast with a high of 24°C and a low of 18°C. There is a 9% chance of rain. Tomorrow’s sunrise and sunset times for San Francisco are also available.
Over the next 7 days in San Francisco, temperatures are forecast to range from a low of 14°C to a high of 25°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see United States city pages.
The 7-day forecast for San Francisco shows no days with a 50%+ chance of rain. Conditions look mostly dry, though brief showers can occur without being captured in daily averages — check the hourly forecast above for short-window precipitation timing.
Saturday is forecast to be the warmest day in San Francisco this week, with a high of 25°C and sunny conditions expected.
San Francisco sits at approximately 37.8° north latitude, which generally produces a temperate or subtropical climate, with warm summers, mild winters and moderate seasonal variation. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit San Francisco is generally April to June and September to October (Northern Hemisphere spring and autumn) — outside the extremes of summer heat and winter chill. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. San Francisco follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.