San Francisco County Veður Spá
San Francisco County weather: 13°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Snjór forecast for San Francisco County
No snow is in the current forecast window for San Francisco County.
0 of the next 16 nights are forecast til reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for San Francisco County
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| sun., sep 20 | ☁️ Skýjað | 17° / 13° | 2% | 23 km/h | 6 |
| mán., sep 21 | 🌥️ Þoka | 17° / 14° | 3% | 21 km/h | 6 |
| þri., sep 22 | 🌤️ Að mestu heiðskýrt | 22° / 14° | 1% | 17 km/h | 6 |
| mið., sep 23 | ☁️ Skýjað | 23° / 15° | 0% | 12 km/h | 6 |
| fim., sep 24 | ☁️ Skýjað | 21° / 15° | 0% | 23 km/h | 6 |
| fös., sep 25 | ☁️ Skýjað | 20° / 15° | 0% | 22 km/h | 6 |
| lau., sep 26 | ☁️ Skýjað | 21° / 13° | 0% | 16 km/h | 6 |
| sun., sep 27 | ☁️ Skýjað | 20° / 14° | 0% | 14 km/h | 6 |
| mán., sep 28 | ☁️ Skýjað | 23° / 15° | 2% | 11 km/h | 6 |
| þri., sep 29 | 🌦️ Light drizzle | 21° / 16° | 5% · 1 mm | 9 km/h | 5 |
| mið., sep 30 | ☀️ Heiðskýrt | 21° / 15° | 7% | 13 km/h | 6 |
| fim., okt 1 | ☀️ Heiðskýrt | 26° / 16° | 0% | 12 km/h | 6 |
| fös., okt 2 | 🌤️ Að mestu heiðskýrt | 21° / 15° | 3% | 20 km/h | 6 |
| lau., okt 3 | ⛅ Skýjað að hluta | 18° / 15° | 6% | 38 km/h | 6 |
| sun., okt 4 | ☁️ Skýjað | 21° / 14° | 3% | 20 km/h | 6 |
| mán., okt 5 | ☀️ Heiðskýrt | -- / -- | 3% | -- | — |
Loftslag in San Francisco County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 15° | 8° | 84 mm | ★★★☆☆ |
| febrúar | 15° | 9° | 141 mm | ★★★☆☆ |
| mars | 18° | 10° | 76 mm | ★★★★☆ |
| apríl | 17° | 10° | 52 mm | ★★★★☆ |
| maí | 19° | 11° | 15 mm | ★★★★★ |
| júní | 19° | 12° | 0 mm | ★★★★★ |
| júlí | 19° | 13° | 2 mm | ★★★★★ |
| ágúst | 20° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 4 mm | ★★★★★ |
| október | 22° | 13° | 19 mm | ★★★★★ |
| nóvember | 17° | 10° | 104 mm | ★★★☆☆ |
| desember | 14° | 9° | 148 mm | ★★★☆☆ |
Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).
What til pack, what til skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Sjá spá fyrir San Francisco County eftir tímabili
San Francisco County weather - more answers
Explore San Francisco County
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 County?
San Francisco County is a county in California. Its coordinates are 37.7749, -122.4194. It lies in Norður-Ameríka.
What is the weather like in San Francisco County núna?
It is currently 13°C (56°F) með skýjað. Raki is 94% and wind is 8 km/h.
When is the best time til visit San Francisco County?
maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is San Francisco County in?
San Francisco County observes America/Los_Angeles (UTC-07:00). The local time is 5:54 AM.
How many people live in San Francisco County?
San Francisco County has a population of approximately 810.000.
What is the nearest airport til San Francisco County?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things til do in San Francisco County?
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.
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| Place data | USPOTUS Atlas dataset (us-counties) - 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 september 20, 2026 at 5:54 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
