Is today good for hiking in San Francisco?
San Francisco, USA
Forecast updated:
Hiking in San Francisco is best during September to November (warmest months), with temperatures of 13-18°C in summer. Hiking requires comfortable temperatures, dry trails, and manageable wind. Our algorithm analyzes temperature ranges between 5-32°C, precipitation under 40%, and wind speeds below 40 km/h to determine trail conditions.
Ideal temp
10-25°C
Wind limit
<20 km/h
Rain threshold
<30% chance
Forecast
7-day outlook
Forecast accuracy is highest within 1–3 days. Check back the morning of your hiking for the most reliable update.
Is today good for hiking in San Francisco?
Planning hiking in San Francisco, United States?San Francisco's famous fog is created by warm inland air meeting cold Pacific waters. Summers are surprisingly cool, while autumn offers the warmest weather. Microclimates mean weather varies by neighborhood.
Best time for hiking in San Francisco: September to November (warmest months). Expect temperatures of 13-18°C in summer and 8-14°C in winter.
📍 Local Tips for San Francisco
- • Mark Twain never said it, but the coldest winter was indeed a San Francisco summer
- • Golden Gate Bridge fog creates dramatic photography opportunities
- • Carry layers - temperatures can vary 15°F between neighborhoods
💡 San Francisco's fog has its own name - "Karl the Fog" - and even has a popular social media presence.
What We Check
- • Temperature comfort for hiking
- • Wind speed and gusts
- • Rain and precipitation chances
- • UV index and sun exposure
7-Day Forecast
See conditions for the entire week ahead, with daily scores to help you pick the best day for your hiking plans in San Francisco.
Hiking in San Francisco: What You Need to Know
Weather in San Francisco directly impacts hiking conditions throughout the year. The best seasons are September to November (warmest months), when conditions align most favorably with outdoor activities.
October is one of San Francisco's peak months for hiking, with reliable sunshine and temperatures around 13-18°C. The long daylight hours give you maximum flexibility for planning your hiking session. However, midday heat can be intense — timing your activity around the coolest parts of the day will make a significant difference in comfort and enjoyment.
Best Time of Day
Start early in the morning (before 9 AM) to avoid peak heat in San Francisco. Late afternoon (after 4 PM) is also excellent.
What to Wear
Layered clothing is key in San Francisco. Temperatures typically range 13-18°C. Wear moisture-wicking base layers and sturdy footwear.
What to Expect
Warm, sunny conditions ideal for trail hiking. Carry at least 2L of water per person.
Pro Tip
Mark Twain never said it, but the coldest winter was indeed a San Francisco summer
Hiking Season Guide for San Francisco
☀️ Best Months
September, October, August offer the most reliable conditions for hiking in San Francisco. Expect dry weather, clear skies, and temperatures around 13-18°C. These months are peak season, so plan ahead for popular spots.
🌧️ Challenging Months
January, February, December bring more precipitation and cooler temperatures (8-14°C).Hiking is still possible but requires waterproof gear and flexible scheduling. The upside: fewer crowds and a different perspective of San Francisco.
📍 San Francisco's fog has its own name - "Karl the Fog" - and even has a popular social media presence.
Hiking forecasts for other destinations
Day-by-day hiking verdicts for destinations travellers plan around — scored from temperature, wind, gusts, rain and apparent temperature.
Hiking Weather FAQ for San Francisco
Hiking conditions in San Francisco change daily — temperature shifts, wind patterns, and sudden rain can flip a "go" into a "no-go" in hours. Bookmark this page for day-of accuracy.
Planning hiking in San Francisco?
Guides & Articles for San Francisco
Go deeper — learn how to make better weather decisions.