67°Clear0% rainWeather status
Heat Advisory
Heat Advisory issued September 7 at 10:27AM PDT until September 10 at 10:00PM PDT by NWS San Francisco CA Expires Thu, 10:00 PM PDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for San Francisco, CA. Forecasts and alerts update from NOAA and the National Weather Service.
67°Clear0% rain66°Clear0% rain65°Clear0% rain64°Clear0% rain63°Clear0% rain
62°Mostly Clear0% rain61°Mostly Clear0% rain60°Mostly Clear0% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
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Official NWS outlook
7-Day Forecast
Today
! NWS
67°59°
Mostly Clear
- Precipitation
- 0%
- Wind
- WSW 0 to 10 mph
- Sunrise
- 6:46 AM
- Sunset
- 7:32 PM
Tue
80°63°
Sunny
- Precipitation
- 0%
- Wind
- W 0 to 10 mph
- Sunrise
- 6:47 AM
- Sunset
- 7:30 PM
Wed
86°66°
Partly Sunny
- Precipitation
- 0%
- Wind
- WNW 0 to 12 mph
- Sunrise
- 6:47 AM
- Sunset
- 7:29 PM
Thu
76°61°
Sunny
- Precipitation
- 0%
- Wind
- WSW 3 to 13 mph
- Sunrise
- 6:48 AM
- Sunset
- 7:27 PM
Fri
68°60°
Mostly Sunny
- Precipitation
- 0%
- Wind
- WSW 9 to 15 mph
- Sunrise
- 6:49 AM
- Sunset
- 7:25 PM
Sat
68°59°
Sunny
- Precipitation
- 1%
- Wind
- W 10 to 17 mph
- Sunrise
- 6:50 AM
- Sunset
- 7:24 PM
Sun
69°58°
Mostly Sunny
- Precipitation
- 1%
- Wind
- W 6 to 14 mph
- Sunrise
- 6:51 AM
- Sunset
- 7:22 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for San Francisco, CA before making weather-sensitive plans.
Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather for a healthier day
Healthy Weather
Real Feel67°F
Use caution walking outside
Heat Advisory is active. Review the official alert before going outside.
WindW5 mph
Best walk timeBetter weather window: 9 PM–11 PM
Walking: 0% average rain chance, near 66°F, with winds near 1 mph. Review the active Heat Advisory.
Official EPA AirNowLocal air qualitySan Francisco, CAView AQI +
More weather details
Wind gustsNot reported
Rain now0%next hour
Humidity64%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure—
Visibility—
Peak rain chance0%
Dew point54°F
Active alerts2
Official risk outlooks
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Weather safety guides
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Active NWS alerts
Moderate · Expected
Heat Advisory
Applies to: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur CoastIssued by: NWS San Francisco CAHeat Advisory issued September 7 at 10:27AM PDT until September 10 at 10:00PM PDT by NWS San Francisco CAAlert details
* WHAT...Hot conditions with temperatures 10 to 20 degrees above normal. * WHERE...Bay Area and Central Coast. * WHEN...From 10 AM Wednesday to 10 PM PDT Thursday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. Hot conditions can cause heat illnesses.Safety instructions
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.Moderate · Expected