30YearWeather
San Francisco, October 8
San Francisco street view during October
Historical Weather Analysis

San Francisco Weather on October 8 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

20.9°C

High

12.8°C

Low

4%

Rain

☀️ Feels like 21°C

clear-day
YES, IT'S PARADISE
Peak Season

October 8 is statistically one of the best days of the year in San Francisco. With minimal rain risk (4%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in San Francisco right now—this is when the city truly comes alive with visitors.

Essential Travel Info for San Francisco

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Thearea codesfor San Francisco are 415 a...

Safety

Moderate Safety

GPI: 2.44

San Francisco Weather Forecast for October 8

"Mild & Comfortable. Expect average highs of 20.9°C. 4% chance of rain."

What to Wear in San Francisco in October

Based on historical data for October 8, San Francisco typically experiences temperatures between 12.8°C and 20.9°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (4% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for San Francisco

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

20.9°C

Daytime Peak

Average Low

extreme-cold

12.8°C

Nighttime Low

Feels Like

partly-cloudy-day

21°C

☀️ Feels accurate

Rain Chance

rain

4%

Avg 0mm if it rains

Cloud Cover

cloudy

37%

Overcast

Pressure

pressure

1014.3 hPa

Low volatility

San Francisco Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

85%Highly Predictable

Based on 10 years of data

Temperature
±4.0°CVariable
Precipitation
2-10%Predictable

🎯 This date historically delivers consistent weather 85% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.8Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 44 min to burn

Type III-IV

🟡 66 min to burn

Type V-VI

🟢 110 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

80Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

16.1°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
17.1°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
1.03m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

88/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~1,911

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in San Francisco

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:12

☀️ Noon

11:58

🌇 Sunset

17:44

⏱️ Daylight

11h 31m

Golden Hour
Morning06:12 - 06:47
17:08 - 17:44Evening

Wind Speed

wind

20.6 km/h

Moderate wind

Sunshine

clear-day

9.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for San Francisco

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in San Francisco

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

97/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014.3 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
37AQI
Good
PM2.5 Concentration18.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):33
In Oct (30y):5
Last in Oct:2023-10-18
💡 Occasional tremors possible. Know your hotel's evacuation route.
High

Eastern Pacific Hurricane Risk

Season: May - Nov

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, San Francisco on October 8 averages 20.9°C with a 4% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

San Francisco Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2016
26.6°C
Coldest
2021
12.2°C
Rainiest
2021
1.5mm

Compare Other Cities

Same date (October 8) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is San Francisco Worth Visiting on October 8?

Planning a trip to San Francisco on October 8? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.9°C with a 4% historical precipitation risk.

✈️ Travel Logistics: Approximately 1,911 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 17.1°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1.03m.

📊 Historical Extremes: The hottest October 8 recorded in the last 30 years saw temperatures hit 26.6°C in 2016, while the coldest dropped to 12.2°C in 2021.

San Francisco Weather FAQ