San Francisco, California weather
United States · America/Los_Angeles · 37.77, -122.42
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San Francisco, CA Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for San Francisco, California. Every section shows where the data came from and when it was last checked.
Your briefing — take action
San Francisco, California
- Right now
- Beach Hazards Statement in effect for San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast.Official warning
- Next few hours
- No rain in the forecast for the next few hours.Forecast
- Your day
- Best outdoor window: 6 AM to 3 PM.Our reading
What officials say to do
- Stay off of jetties, piers, rocks, and other waterside infrastructure.
- Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean.
- Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.
Wording from NWS San Francisco CA. Read the official warning
What happens next
- NowBeach Hazards Statement covers San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast.Official warning
- NextOfficial warning runs until 10:00 AM.Official warning
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
San Francisco, California
73°
Clear sky
Feels like 73° · High 81° · Low 58°
Clear sky here right now. Nothing falling.
Mild and clear early this morning. 73° right now. Today's high is 81°.
- Sunrise 11:00 PM
- Today's high 81°
- Rain next 6 hrs 0%
Next few hours
Now
73°
—
9 PM
71°
—
10 PM
69°
—
11 PM
68°
—
12 AM
65°
—
- Rain chance
- 0%
- Wind
- 6 mph NW
- Humidity
- 40%
- Air quality
- No reading
Source updated: 3:32:01 AM · WeatherSignal checked: 3:32:01 AM
What matters today
Six quick answers for San Francisco. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
10 AM (Good)
Dog walk
10 PM (Good)
Car wash
Go for it (Good)
Cookout
Green light (Good)
Windows
Roll 'em down (Good)
Today's Signal
Good day
84/100
Mostly favorable, but poor visibility will make it less comfortable outside.
Visibility 0.0 mi · Active Beach Hazards Statement
Today is about 18° warmer than the rest of the week.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Visibility 0.0 mi-10
- Active Beach Hazards Statement-6
- Final Signal84
Next 12 hours
Steady conditions, but the temperature swings about 13° across the next 12 hours.
- 9 PMWarmest stretch · 71°
- 11 PMSunrise
- 7 AMCoolest stretch · 58°
- 9 PM—71 degrees, 0 percent chance of rain
- 10 PM—69 degrees, 0 percent chance of rain
- 11 PM—68 degrees, 0 percent chance of rain
- 12 AM—65 degrees, 0 percent chance of rain
- 1 AM—63 degrees, 0 percent chance of rain
- 2 AM—62 degrees, 0 percent chance of rain
- 3 AM—60 degrees, 0 percent chance of rain
- 4 AM—60 degrees, 0 percent chance of rain
- 5 AM—59 degrees, 0 percent chance of rain
- 6 AM—58 degrees, 0 percent chance of rain
- 7 AM—58 degrees, 0 percent chance of rain
- 8 AM—59 degrees, 0 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
It keeps cooling down overnight
Temperatures fall from about 71° to 59° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: San Francisco, California
One number for everything happening around you, from 0 to 100.
96
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- A Beach Hazards Statement issued by NWS San Francisco CA is active for San Francisco.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 47 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 9 PM | Clear sky | 71° | 71° | 0% | 0.00″ | 5 E | 45% |
| 10 PM | Clear sky | 69° | 69° | 0% | 0.00″ | 4 SSE | 45% |
| 11 PM | Clear sky | 68° | 68° | 0% | 0.00″ | 5 SSE | 50% |
| 12 AM | Clear sky | 65° | 65° | 0% | 0.00″ | 3 SSE | 54% |
| 1 AM | Clear sky | 63° | 63° | 0% | 0.00″ | 4 SSE | 59% |
| 2 AM | Clear sky | 62° | 62° | 0% | 0.00″ | 4 SE | 63% |
| 3 AM | Clear sky | 60° | 60° | 0% | 0.00″ | 2 SSE | 68% |
| 4 AM | Clear sky | 60° | 60° | 0% | 0.00″ | 3 WNW | 72% |
| 5 AM | Clear sky | 59° | 59° | 0% | 0.00″ | 4 NNW | 75% |
| 6 AM | Clear sky | 58° | 59° | 0% | 0.00″ | 4 NNE | 75% |
| 7 AM | Clear sky | 58° | 58° | 0% | 0.00″ | 4 NE | 74% |
| 8 AM | Clear sky | 59° | 59° | 0% | 0.00″ | 4 NE | 69% |
| 9 AM | Clear sky | 62° | 62° | 0% | 0.00″ | 4 NNE | 59% |
| 10 AM | Clear sky | 68° | 68° | 0% | 0.00″ | 5 N | 47% |
| 11 AM | Clear sky | 74° | 74° | 0% | 0.00″ | 5 N | 35% |
| 12 PM | Clear sky | 79° | 79° | 0% | 0.00″ | 4 NNW | 28% |
| 1 PM | Clear sky | 81° | 81° | 0% | 0.00″ | 6 WNW | 28% |
| 2 PM | Clear sky | 78° | 78° | 0% | 0.00″ | 9 W | 37% |
| 3 PM | Clear sky | 75° | 75° | 0% | 0.00″ | 11 W | 46% |
| 4 PM | Clear sky | 74° | 74° | 0% | 0.00″ | 11 WSW | 51% |
| 5 PM | Clear sky | 71° | 71° | 0% | 0.00″ | 11 WSW | 56% |
| 6 PM | Clear sky | 69° | 69° | 0% | 0.00″ | 9 SW | 59% |
| 7 PM | Clear sky | 68° | 68° | 0% | 0.00″ | 10 SW | 59% |
| 8 PM | Clear sky | 67° | 67° | 0% | 0.00″ | 9 SW | 58% |
7-day forecast
Confidence decreases the further out you look.
Today
Clear sky
81° / 58°
- Precip:
- 0% · 0.00″
- Wind:
- 11 mph
- UV:
- 5.0
- Sun:
- 11 PM to 11 AM
Sun, Oct 18
Clear sky
71° / 58°
- Precip:
- 0% · 0.00″
- Wind:
- 15 mph
- UV:
- 5.0
- Sun:
- 11 PM to 11 AM
Mon, Oct 19
Mainly clear
61° / 56°
- Precip:
- 0% · 0.00″
- Wind:
- 14 mph
- UV:
- 3.4
- Sun:
- 11 PM to 11 AM
Tue, Oct 20
Clear sky
60° / 58°
- Precip:
- 0% · 0.00″
- Wind:
- 12 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Wed, Oct 21
Clear sky
61° / 55°
- Precip:
- 0% · 0.00″
- Wind:
- 4 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
63° / 57°
- Precip:
- 0% · 0.00″
- Wind:
- 8 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Lower confidence: long-range outlook, not a certainty.
Fri, Oct 23
Clear sky
62° / 55°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
San Francisco hourly weather
Hour by hour, out to eight days ahead.
San Francisco 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.