San Francisco County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across San Francisco County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny. High near 74, with temperatures falling to around 70 in the afternoon. West northwest wind 2 to 12 mph.
County Weather Overview
This county weather page brings together forecast coverage for San Francisco County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in San Francisco County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 23, 2026 1:13 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in San Francisco County
Today looks like the warmest upcoming period in San Francisco County at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Friday at about 8 to 16 mph W.
The forecast from Sep 23 through Sep 29 stays mostly dry.
Forecast Details
- Last updated
- Sep 23, 2026 1:13 PM PDT
- Coverage
- 8 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
Partly cloudy, with a low around 57. West southwest wind 3 to 10 mph.
Partly sunny. High near 71, with temperatures falling to around 67 in the afternoon. West southwest wind 3 to 14 mph, with gusts as high as 20 mph.
Mostly cloudy, with a low around 59. West wind 8 to 14 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 67. West wind 8 to 16 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 66.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 63.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 23
|
Sunny
|
74°F |
2 to 12 mph
WNW
|
|
Tonight
Sep 23
|
Partly Cloudy
|
57°F |
3 to 10 mph
WSW
|
|
Thursday
Sep 24
|
Partly Sunny
|
71°F |
3 to 14 mph
WSW
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
59°F |
8 to 14 mph
W
|
|
Friday
Sep 25
|
Mostly Sunny
|
67°F |
8 to 16 mph
W
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
55°F |
5 to 16 mph
W
|
|
Saturday
Sep 26
|
Mostly Sunny
|
66°F |
3 to 13 mph
WSW
|
|
Saturday Night
Sep 26
|
Mostly Cloudy
|
55°F |
9 to 13 mph
WSW
|
|
Sunday
Sep 27
|
Partly Sunny
|
63°F |
9 to 15 mph
W
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
55°F |
3 to 15 mph
WNW
|
|
Monday
Sep 28
|
Mostly Sunny
|
68°F |
2 to 13 mph
WNW
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
56°F |
5 to 13 mph
W
|
|
Tuesday
Sep 29
|
Mostly Sunny
|
70°F |
5 to 14 mph
W
|
|
Tuesday Night
Sep 29
|
Partly Cloudy
|
57°F |
5 to 14 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across San Francisco County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in San Francisco County.
Largest mapped city population in this region: 866,606.