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🇺🇸 Weather in South San Francisco

Current Weather in South San Francisco

Beach Hazards Statement issued June 5 at 5:49AM PDT until June 6 at 9:00AM PDT by NWS San Francisco CA
Sunny
19°C
Feels like 19°C. Sunny.
🌬️ 28 km/h WNW
💧 46% Humidity
🧭 1012 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 7.8
🌡️ Dew Point: 12°C
🌅 Sunrise: 05:48 AM
🌇 Sunset: 08:28 PM
Map Overlays:

In South San Francisco right now it is 19°C and sunny, feeling like 19°C. Humidity is 46% with winds around 28 km/h, and the UV index is 8 (very high). Over the next few days, temperatures in South San Francisco range from about 10°C to 20°C. ⚠️ Beach Hazards Statement issued June 5 at 5:49AM PDT until June 6 at 9:00AM PDT by NWS San Francisco CA

Hourly Forecast for South San Francisco

15:00
Sunny
20°
1%
16:00
Sunny
20°
1%
17:00
Sunny
19°
1%
18:00
Sunny
18°
1%
19:00
Sunny
16°
1%
20:00
Sunny
14°
1%
21:00
Clear
13°
2%
22:00
Clear
13°
2%
23:00
Clear
12°
2%
00:00
Clear
12°
2%
01:00
Clear
11°
2%
02:00
Clear
11°
2%
03:00
Clear
11°
2%
04:00
Clear
10°
5%
05:00
Clear
10°
6%
06:00
Sunny
11°
5%
07:00
Sunny
11°
4%
08:00
Partly Cloudy
12°
4%
09:00
Sunny
14°
2%
10:00
Sunny
14°
1%
11:00
Sunny
15°
1%
12:00
Sunny
15°
1%
13:00
Partly Cloudy
15°
2%
14:00
Sunny
15°
1%

14-Day Forecast for South San Francisco

Sat, Jun 06
Sunny Sunny
20° / 12°
Sun, Jun 07
Sunny Sunny
15° / 10°
Mon, Jun 08
Partly Cloudy Partly Cloudy
16° / 11°
Tue, Jun 09
Patchy rain nearby Patchy rain nearby
17° / 12°
Wed, Jun 10
Sunny Sunny
19° / 11°
Thu, Jun 11
Sunny Sunny
21° / 12°
Fri, Jun 12
Sunny Sunny
21° / 13°
Sat, Jun 13
Sunny Sunny
22° / 14°
Sun, Jun 14
Sunny Sunny
20° / 14°
Mon, Jun 15
Partly Cloudy Partly Cloudy
19° / 12°
Tue, Jun 16
Sunny Sunny
20° / 13°
Wed, Jun 17
Sunny Sunny
20° / 14°
Thu, Jun 18
Partly Cloudy Partly Cloudy
19° / 14°
Fri, Jun 19
Partly Cloudy Partly Cloudy
18° / 13°

Additional Forecasts for South San Francisco

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 103.0 μg/m³
O₃ (Ozone) 75.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.8 μg/m³
SO₂ (Sulphur Dioxide) 0.5 μg/m³
PM2.5 (Fine particles) 8.9 μg/m³
PM10 (Coarse particles) 14.3 μg/m³

Historical Weather

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Best Time to Be Outside in South San Francisco Today

The most comfortable window in South San Francisco today looks like 16:00 to 18:00, when it is around 19°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in South San Francisco

What is the temperature in South San Francisco right now?

The current temperature in South San Francisco is 19°C (66°F), sunny (feels like 19°C).

What's the weather like in South San Francisco right now?

Conditions in South San Francisco right now: Sunny, humidity 46%, wind 28 km/h WNW.

What is today's forecast for South San Francisco?

Today in South San Francisco: high 20°C, low 12°C, sunny. Chance of rain: 1%.

What is the 7-day weather forecast for South San Francisco?

Daily highs and lows for South San Francisco:

  • 2026-06-06: 20°C / 12°C
  • 2026-06-07: 15°C / 10°C
  • 2026-06-08: 16°C / 11°C
  • 2026-06-09: 17°C / 12°C
  • 2026-06-10: 19°C / 11°C
  • 2026-06-11: 21°C / 12°C
  • 2026-06-12: 21°C / 13°C
Is it going to rain in South San Francisco today?

There is a 1% chance of rain in South San Francisco today.

What is the wind speed in South San Francisco right now?

Wind in South San Francisco is currently 28 km/h (17 mph) from the WNW.

What is the UV index in South San Francisco right now?

The UV index in South San Francisco is currently 7.8 (high). Sun protection is recommended when the index is 3 or higher.

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