5-day weather forecast San Francisco 05-08-2026

Weather forecast San Francisco today 05.08.2026: partly cloudy, temperature from 13 °C to 20 °C.

Precipitation probability 36%. Wind up to 5.61 m/s (gusts 7.61 m/s). Air humidity 77–100%, atmospheric pressure 758–761 mm Hg, UV index up to 9.7.

Sunrise 06:16
Sunset 20:14
Last Quarter44% illuminated
Moonrise 23:40 · Moonset 13:27
Chart
Table
Wed, Aug 5, 2026

Forecast from 13 °C to 20 °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)131313131414141414141618191920201919181615141414
Precipitation (mm/hr)000000000000000000000.010.0100

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 (%)44393544911001001001001008440434129212031394798100100100
Rain chance (%)21202021323435353636231413131110914151833343535

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)2.612.392.892.892.812.692.612.52.612.52.813.393.814.54.815.195.55.615.3954.313.813.192.69
Wind gust (m/s)4.584.334.614.584.444.364.193.863.53.173.424.224.695.585.836.537.177.617.617.256.616.065.144.36
Wind direction (°)SW 232°SW 230°SW 220°SW 222°SW 223°SW 225°SW 226°SW 225°SW 226°SW 225°WSW 242°WSW 252°WSW 253°WSW 256°WSW 256°WSW 254°WSW 254°WSW 255°WSW 256°WSW 255°WSW 258°W 259°W 259°W 260°

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 (%)97969697989810010010010086838179787977848689959699100

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)758758759759759759759759760760760761761760761760759759759759759760760760

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 Index00000000.20.82.14.16.88.89.79.37.65.22.91.20.30000

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)14.113.412.412.413.29.79.69.81010.51111.41212.613.213.513.513.71414.615.617.319.421.1
PM10 (µg/m³)19.918.717.2171813.213.113.313.614.41515.41616.817.517.917.617.617.718.319.621.524.226.4
Ozone (O₃) (µg/m³)686664636469697071737578828790919189858075706665
NO₂ (µg/m³)8.18.48.78.88.96.97.37.98.48.89.29.18.37.16.3666.99.312.615.216.817.817.7
SO₂ (µg/m³)110.90.910.90.91111.11.11.11.11.11.1111111.11.31.4
CO (µg/m³)9291909090919498101102103104106110114119126133143154162163160157
Wed, Aug 5, 2026

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

Over the next 5 days in San Francisco the temperature is expected to range from about 13 to 21 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

The chance of rain in San Francisco over the next 5 days reaches 36%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

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.

Over the next 5 days the temperature in San Francisco ranges from about 13 to 21 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in San Francisco picks up to 6 m/s. The windiest days are easy to spot on the wind chart above.

For a walk or a trip, pick the days with the lowest chance of rain (up to 36%) and light wind — easy to compare on the 5-day charts above.

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.