5-day weather forecast San Francisco 27-04-2026

Weather forecast San Francisco today 27.04.2026: sunny, temperature from 9 °C to 18 °C.

No precipitation expected. Wind up to 6.39 m/s (gusts 7.81 m/s). Air humidity 58–88%, atmospheric pressure 761–764 mm Hg, UV index up to 5.6.

Sunrise 06:18
Sunset 19:57
Waxing Gibbous79% illuminated
Moonrise 16:23 · Moonset 04:14
Chart
Table
Mon, Apr 27, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
10 °C0% 0%84%761 mm HgW 281° 4.5 (6.67) m/s0
01:00Weather
Clear
10 °C0% 0%86%761 mm HgWNW 284° 4.19 (6.31) m/s0
02:00Weather
Clear
10 °C0% 0%87%761 mm HgWNW 282° 4.39 (6.25) m/s0
03:00Weather
Clear
10 °C0% 0%87%762 mm HgWNW 286° 4.61 (6.5) m/s0
04:00Weather
Clear
9 °C0% 0%85%762 mm HgWNW 291° 4.69 (6.72) m/s0
05:00Weather
Clear
9 °C0% 0%85%762 mm HgWNW 296° 4.5 (6.47) m/s0
06:00Weather
Clear
9 °C0% 0%87%762 mm HgWNW 299° 4.19 (6.08) m/s0
07:00Weather
Sunny
10 °C0% 2%88%762 mm HgWNW 302° 3.89 (5.53) m/s0.1
08:00Weather
Sunny
11 °C0% 3%84%763 mm HgNW 312° 3.61 (4.97) m/s0.5
09:00Weather
Sunny
12 °C0% 18%82%763 mm HgNW 317° 3 (3.97) m/s1.3
10:00Weather
Partly cloudy
15 °C0% 75%58%764 mm HgNW 318° 2.39 (3) m/s2.7
11:00Weather
Cloudy
13 °C0% 79%76%764 mm HgWNW 299° 2.11 (2.47) m/s4.1
12:00Weather
Cloudy
14 °C0% 85%73%764 mm HgW 277° 2.69 (3.11) m/s4.6
13:00Weather
Sunny
16 °C0% 2%70%764 mm HgW 274° 4.5 (5.17) m/s5.6
14:00Weather
Sunny
17 °C0% 1%67%764 mm HgW 277° 5.39 (6.25) m/s5.6
15:00Weather
Sunny
18 °C0% 1%65%764 mm HgW 277° 5.5 (6.36) m/s5.1
16:00Weather
Sunny
17 °C0% 3%67%764 mm HgW 277° 6.31 (7.53) m/s3.6
17:00Weather
Sunny
17 °C0% 3%68%764 mm HgW 281° 6.39 (7.81) m/s2.2
18:00Weather
Sunny
16 °C0% 3%73%764 mm HgWNW 286° 5.89 (7.44) m/s0.9
19:00Weather
Sunny
14 °C0% 6%77%764 mm HgWNW 286° 5.31 (7.03) m/s0.2
20:00Weather
Clear
12 °C0% 6%82%764 mm HgWNW 284° 5 (7.28) m/s0
21:00Weather
Clear
12 °C0% 7%84%764 mm HgWNW 289° 4.61 (6.78) m/s0
22:00Weather
Clear
12 °C0% 4%79%764 mm HgWNW 289° 3.89 (5.83) m/s0
23:00Weather
Clear
12 °C0% 4%81%764 mm HgWNW 283° 3.5 (5.22) m/s0
Mon, Apr 27, 2026

Frequently asked questions about the weather in San Francisco

Today in San Francisco the temperature ranges from 9 °C to 18 °C, wind up to 6.39 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in San Francisco today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in San Francisco today reaches up to 6.39 m/s with gusts up to 7.81 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in San Francisco today ranges from 58% to 88%. View the humidity chart above for hourly details.

The UV index in San Francisco today reaches up to 5.6. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in San Francisco today ranges from 761 to 764 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in San Francisco today reaches up to 85%. Check the cloud cover chart above for hourly details throughout the day.

San Francisco on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.