Weather Forecast for San Francisco
California, United States of America
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Current Weather - San Francisco: 17°C
Current Weather - San Francisco: 17°C
California, United States of America
Cloudy
Feels like 16°C
Wind
15 km/h W
Humidity
81%
Pressure
1016 mb
UV Index
4
Visibility
10 km
Sunny
Friday, September 25, 2026
High
18°C
Low
15°C
Rain Chance
15%
Hourly Forecast
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
29 km/h
Humidity
81%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
07:00 AM
Sunset
07:02 PM
Moonrise
06:31 PM
Moonset
06:06 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
7.5
μg/m³
PM10
11.2
μg/m³
NO₂
8.5
μg/m³
O₃
55.1
μg/m³
SO₂
0.7
μg/m³
CO
121.3
μg/m³
Partly Cloudy
Saturday, September 26, 2026
High
16°C
Low
14°C
Rain Chance
15%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
25 km/h
Humidity
81%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
07:01 AM
Sunset
07:01 PM
Moonrise
06:54 PM
Moonset
07:06 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
9.6
μg/m³
PM10
14.9
μg/m³
NO₂
6.8
μg/m³
O₃
64.5
μg/m³
SO₂
0.8
μg/m³
CO
120.6
μg/m³
Sunny
Sunday, September 27, 2026
High
16°C
Low
14°C
Rain Chance
15%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
16°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
34 km/h
Humidity
80%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
07:01 AM
Sunset
06:59 PM
Moonrise
07:18 PM
Moonset
08:07 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
11.3
μg/m³
PM10
17.8
μg/m³
NO₂
4.8
μg/m³
O₃
70.3
μg/m³
SO₂
0.8
μg/m³
CO
118.7
μg/m³
Sunny
Monday, September 28, 2026
High
17°C
Low
13°C
Rain Chance
7%
Hourly Forecast
14°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
15°C
16°C
17°C
17°C
17°C
17°C
17°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
23 km/h
Humidity
75%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
07:02 AM
Sunset
06:57 PM
Moonrise
07:46 PM
Moonset
09:11 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
14.2
μg/m³
PM10
20.2
μg/m³
NO₂
9.2
μg/m³
O₃
68.1
μg/m³
SO₂
0.9
μg/m³
CO
169.4
μg/m³
Sunny
Tuesday, September 29, 2026
High
19°C
Low
14°C
Rain Chance
7%
Hourly Forecast
15°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
18°C
18°C
19°C
19°C
19°C
18°C
18°C
17°C
17°C
16°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
72%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
07:03 AM
Sunset
06:56 PM
Moonrise
08:19 PM
Moonset
10:18 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
13
μg/m³
PM10
18.6
μg/m³
NO₂
16.8
μg/m³
O₃
52.3
μg/m³
SO₂
0.8
μg/m³
CO
198.7
μg/m³
Sunny
Wednesday, September 30, 2026
High
19°C
Low
15°C
Rain Chance
7%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
18°C
19°C
19°C
19°C
19°C
18°C
18°C
17°C
17°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
16 km/h
Humidity
75%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
06:54 PM
Moonrise
08:59 PM
Moonset
11:26 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Sunny
Thursday, October 01, 2026
High
16°C
Low
15°C
Rain Chance
13%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
23 km/h
Humidity
80%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
07:05 AM
Sunset
06:53 PM
Moonrise
09:48 PM
Moonset
12:34 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Solar Radiation Data
Shortwave Radiation
195.06
Diffuse Radiation
60.46
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued September 24 at 8:32PM PDT until September 26 at 9:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...From 9 AM Friday to 9 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued September 25 at 2:43AM PDT until September 26 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...From 9 AM this morning to 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued September 25 at 8:31AM PDT until September 26 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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