Meteo in San Francisco, Stati Uniti 🇺🇸
Live weather in San Francisco, Stati Uniti: currently 18°C, sereno. View the 7-day weather forecast, hourly conditions, air quality index, sunrise and sunset times, and weather in nearby cities of Stati Uniti.
17.8°C
sente come 17.8°C
Sereno
Current Weather in San Francisco, Stati Uniti Updated at 21:45 oggi
| 💧 Umidità: | 63% |
| 🌬️ Vento: | 11.5 kph (288°) |
| 🌡️ Pressione: | 1014.0 mb |
| 👁️ Visibilità: | 16.0 km |
| 🌧️ Precipitazioni: | 0.0 mm |
| ☁️ Copertura Nuvolosa: | 0% |
| ☀️ Indice UV: | 0.0 |
| 🌅 Alba: | 05:57 AM |
| 🌇 Tramonto: | 08:15 PM |
7-Day Weather Forecast for San Francisco, Stati Uniti 🇺🇸
- Temp Max
- Temp Media
- Temp Min
- Umidità Media
- Vento Max
- Precipitazioni Totali
- Indice UV
- Alba
- Tramonto
- Fase della Luna
mar 19. mag
Soleggiato
21.7°C
17.6°C
13.2°C
47%
19.1 kph
0.0 mm
8.0
05:57 AM
08:16 PM
Waxing Crescent
mer 20. mag
Soleggiato
18.4°C
14.3°C
11.8°C
72%
20.2 kph
0.0 mm
8.0
05:56 AM
08:17 PM
Waxing Crescent
gio 21. mag
Soleggiato
18.7°C
14.6°C
11.2°C
72%
18.7 kph
0.0 mm
0.0
05:55 AM
08:18 PM
Waxing Crescent
ven 22. mag
Soleggiato
17.7°C
14.2°C
11.5°C
77%
21.2 kph
0.0 mm
4.0
05:55 AM
08:19 PM
Waxing Crescent
sab 23. mag
Pioggia a tratti nelle vicinanze
15.7°C
12.9°C
11.3°C
80%
22.7 kph
0.1 mm
3.0
05:54 AM
08:19 PM
First Quarter
dom 24. mag
Soleggiato
15.8°C
13.2°C
10.9°C
75%
20.2 kph
0.0 mm
4.0
05:53 AM
08:20 PM
Waxing Gibbous
lun 25. mag
Soleggiato
17.4°C
14.0°C
11.3°C
75%
18.0 kph
0.0 mm
4.0
05:53 AM
08:21 PM
Waxing Gibbous
Hourly Weather Forecast for San Francisco, Stati Uniti 🇺🇸 Today
Monday, May 18, 2026
23.0°C
20.0°C
18.0°C
15.0°C
12.0°C
22
19.0°
↑
4.0 km/h
23
18.0°
↑
4.0 km/h
18.0°
↑
5.0 km/h
1
17.0°
↑
6.0 km/h
2
17.0°
↑
5.0 km/h
3
16.0°
↑
4.0 km/h
4
16.0°
↑
4.0 km/h
5
16.0°
↑
2.0 km/h
6
15.0°
↑
2.0 km/h
7
16.0°
↑
1.0 km/h
8
18.0°
↑
2.0 km/h
9
18.0°
↑
3.0 km/h
10
19.0°
↑
3.0 km/h
11
20.0°
↑
3.0 km/h
12
21.0°
↑
6.0 km/h
13
21.0°
↑
10.0 km/h
14
21.0°
↑
14.0 km/h
15
20.0°
↑
17.0 km/h
16
20.0°
↑
19.0 km/h
17
19.0°
↑
18.0 km/h
18
18.0°
↑
16.0 km/h
19
17.0°
↑
13.0 km/h
20
16.0°
↑
12.0 km/h
21
15.0°
↑
10.0 km/h
Indice di Qualità dell'Aria in San Francisco, Stati Uniti 🇺🇸 (AQI)
Indice EPA USA
Environmental Protection Agency
1
2
3
4
5
6
Indice DEFRA UK
Department for Environment, Food & Rural Affairs
1
3
5
7
9
10
| Parametro | Valore |
|---|---|
| Indice EPA USA: | 1 (Buono) |
| Indice DEFRA UK: | 1 (Basso) |
| CO: | 137.85 µg/m³ |
| O3: | 48.0 µg/m³ |
| NO2: | 13.95 µg/m³ |
| SO2: | 1.35 µg/m³ |
| PM2.5: | 11.45 µg/m³ |
| PM10: | 15.45 µg/m³ |
Weather in Other Major Cities in Stati Uniti 🇺🇸
Weather in San Francisco — Frequently Asked Questions
What is the weather in San Francisco right now?
Right now in San Francisco, Stati Uniti, it is 18°C with sereno. Humidity is 63% and wind speed is 12 kph. Conditions feel like 18°C.
What will the weather be in San Francisco tomorrow?
Tomorrow in San Francisco, expect soleggiato with a high of 18°C and a low of 12°C. Chance of precipitation: 0.0 mm.
Will it rain in San Francisco today?
No active precipitation in San Francisco right now. Use the hourly forecast above to see chances of rain through the day.
What is the temperature in San Francisco today?
Today in San Francisco, temperatures range from a low of 13°C to a high of 22°C, currently 18°C.