5-day weather forecast San Francisco 26-08-2026

Weather forecast San Francisco today 26.08.2026: sunny, temperature from 13 °C to 19 °C.

Precipitation probability 32%. Wind up to 5.19 m/s (gusts 8.19 m/s). Air humidity 64–94%, atmospheric pressure 760–762 mm Hg, UV index up to 8.6.

Sunrise 06:34
Sunset 19:48
Full Moon100% illuminated
Moonrise 19:20 · Moonset 05:16
Chart
Table
Wed, Aug 26, 2026

Forecast from 13 °C to 19 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)161515151414141316171718181818191919181818181817
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)100100100100872510813965955010000010
Rain chance (%)3132323126131212141065554444578999

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)32.892.612.191.691.51.691.691.812.192.392.53.193.694.314.6155.195.194.814.54.313.693.39
Wind gust (m/s)43.723.422.892.312.192.141.922.032.227.397.58.193.925.226.577.197.537.427.427.226.836.11
Wind direction (°)WSW 250°WSW 245°WSW 250°WSW 246°SW 234°SW 230°SW 234°WSW 253°WSW 254°WSW 246°WSW 256°WSW 248°WSW 251°W 260°W 260°W 259°WSW 258°WSW 257°W 264°W 264°W 267°W 270°W 277°WNW 287°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)929394938984858789827168676664656464697377798081

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)761761761761761761761761761762762762762761761761761761761760761761761761

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.61.83.767.88.68.26.74.52.40.90.20000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)8.58.48.38.287.97.67.57.67.57.57.78.28.58.898.78.37.87.376.86.56.4
PM10 (µg/m³)1211.911.811.611.31110.510.310.410.310.310.611.411.812.512.712.411.911.310.4109.79.29
Ozone (O₃) (µg/m³)414141414141414142454851535556555248413326232222
NO₂ (µg/m³)10.89.99.18.587.67.47.37.26.96.56.15.75.25.15.15.46.69.513.215.816.616.315.4
SO₂ (µg/m³)0.80.70.70.70.80.80.90.911.11.11.11.110.90.80.80.70.70.60.60.60.60.6
CO (µg/m³)103102102101101102105109112114114114111108105104104107114124131134135133
Wed, Aug 26, 2026

Frequently asked questions about the 5-day weather in San Francisco

What will the weather be like in San Francisco over the next 5 days?

Over the next 5 days in San Francisco the temperature is expected to range from about 13 to 20 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in San Francisco?

The chance of rain in San Francisco over the next 5 days reaches 32%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for San Francisco?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in San Francisco will be the warmest and which the coolest?

Over the next 5 days the temperature in San Francisco ranges from about 13 to 20 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in San Francisco over the next 5 days?

Over the next 5 days the wind in San Francisco picks up to 9 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in San Francisco is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 32%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for San Francisco?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.