San Francisco Veður Spá
San Francisco weather: 10°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Risk assessment for San Francisco
Derived from the current forecast window - not an official warning.
Peak gusts of 40 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 10 mm, 23 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for San Francisco
Coastal Flood Advisory issued október 28 at 12:20AM PDT until október 31 at 6:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
16-day forecast for San Francisco
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| mið., okt 28 | ☁️ Skýjað | 20° / 10° | 0% | 17 km/h | 5 |
| fim., okt 29 | ☁️ Skýjað | 20° / 11° | 0% | 14 km/h | 4 |
| fös., okt 30 | ☁️ Skýjað | 17° / 14° | 1% | 19 km/h | 4 |
| lau., okt 31 | ☁️ Skýjað | 17° / 14° | 11% | 8 km/h | 3 |
| sun., nóv 1 | ☀️ Heiðskýrt | 21° / 13° | 13% | 12 km/h | 4 |
| mán., nóv 2 | ☁️ Skýjað | 21° / 14° | 1% | 8 km/h | 3 |
| þri., nóv 3 | ☁️ Skýjað | 22° / 15° | 20% | 6 km/h | 4 |
| mið., nóv 4 | 🌧️ Heavy drizzle | 18° / 15° | 24% · 5 mm | 24 km/h | 3 |
| fim., nóv 5 | ☁️ Skýjað | 20° / 14° | 17% | 6 km/h | 3 |
| fös., nóv 6 | 🌦️ Lítil rigning | 20° / 16° | 24% · 8 mm | 31 km/h | 3 |
| lau., nóv 7 | 🌧️ Skúrir | 20° / 15° | 26% · 10 mm | 19 km/h | 4 |
| sun., nóv 8 | 🌦️ Light drizzle | 20° / 17° | 23% · 0 mm | 31 km/h | 4 |
| mán., nóv 9 | 🌦️ Light drizzle | 20° / 16° | 23% · 0 mm | 12 km/h | 3 |
| þri., nóv 10 | ☁️ Skýjað | 20° / 15° | 15% | 12 km/h | 4 |
| mið., nóv 11 | ☁️ Skýjað | 20° / 16° | 23% | 16 km/h | 4 |
| fim., nóv 12 | ☀️ Heiðskýrt | -- / -- | 23% | -- | — |
What this means for San Francisco
Today is slightly cooler than average for október. The forecast high of 20°C is 1.8°C below the 22°C typical for this month.
Rigning is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
Sjá spá fyrir San Francisco eftir tímabili
San Francisco weather - more answers
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is San Francisco?
San Francisco is a city in California. Its coordinates are 37.7749, -122.4194. It lies in Norður-Ameríka.
What is the weather like in San Francisco núna?
It is currently 10°C (50°F) með clear. Raki is 79% and wind is 9 km/h.
When is the best time til visit San Francisco?
maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is San Francisco in?
San Francisco observes America/Los_Angeles (UTC-07:00). The local time is 10:42 AM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport til San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things til do in San Francisco?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, júlia Pfeiffer Burns State Park and Emerald Bay State Park.
What places are in San Francisco?
San Francisco covers 8 places in this atlas, including Alcatraz Island, Golden Gate Bridge, San Francisco International Airport, Fisherman's Wharf, Mission District and ZIP Code 94102.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated október 28, 2026 at 10:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
