South San Francisco, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South San Francisco, CA in one place.
Sunny, with a high near 85. South southwest wind 2 to 10 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for South San Francisco, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 3:47 PM PDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for South San Francisco, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:47 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in South San Francisco
Wednesday looks like the warmest upcoming period in South San Francisco at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 10 mph SSW.
The forecast from Jul 15 through Jul 20 stays mostly dry.
Forecast Details
- Last updated
- Jul 14, 2026 3:47 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KMUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 58. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunny, with a high near 79. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 53.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 54.
Partly sunny, with a high near 71.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 71.
Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
85°F |
2 to 10 mph
SSW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
58°F |
6 to 10 mph
WSW
|
|
Thursday
Jul 16
|
Sunny
|
79°F |
6 to 10 mph
WSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
53°F |
3 to 10 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
75°F |
3 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
53°F |
3 to 9 mph
SW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
72°F |
3 to 10 mph
SSW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
54°F |
3 to 8 mph
SW
|
|
Sunday
Jul 19
|
Partly Sunny
|
71°F |
3 to 9 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Cloudy
|
55°F |
5 to 8 mph
WSW
|
|
Monday
Jul 20
|
Partly Sunny
|
71°F |
5 to 9 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Cloudy
|
56°F |
5 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South San Francisco.