Foster City weather — 10-day forecast

Temperature, rain, wind and feels-like in Foster City, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 14:00 · NOAA HRRR model

16 °C

Clear sky

Feels like 13 °C

21.1 km/hforce 3

Next 12 h

  • 1415°
  • 1516°
  • 1616°
  • 1716°
  • 1816°
  • 1916°
  • 2015°
  • 20:11Sunset
  • 2115°
  • 2215°
  • 2315°
  • 0015°
  • 0115°
  • 0214°

16°16:00 14°02:00

Humidity
89 %
Dew point
14 °C
Gusts
25.9 km/h
Clouds
3 %
Pressure
1,016 hPa ↓
UV
10 · very high

Grid point 0.8 km away · 3.0 km grid · elevation 0 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 17:00
21
Fair

Index set by PM2.5

PM2.5
10.4µg/m³
PM10
14.8µg/m³
Ozone
46.4µg/m³
Nitrogen dioxide
5.6µg/m³
Sulphur dioxide
0.8µg/m³
Carbon monoxide
118.0µg/m³
Dust (AOD)
0.01

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

14° → 24°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Mainly clear

    16°

    14°

  • Sat

    Mainly clear

    18°

    14°

  • Sun

    Clear sky

    24°

    14°

  • Mon

    Mainly clear

    23°

    15°

  • Tue

    Partly cloudy

    22°

    15°

  • Wed

    Partly cloudy

    21°

    15°

  • Thu

    Partly cloudy

    22°

    16°

  • Fri

    Partly cloudy0 mm

    22°

    17°

  • Sat

    Clear sky0 mm

    22°

    16°

  • Sun

    Clear sky

    21°

    16°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV10very high
Sunrise
06:19
Daylight
13 h 52
Sunset
20:11

Radiation · 19.9 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.2 mperiod 2 s 269°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in Foster City the mean temperature will be 15.3 °C — -2.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Foster City climate — normals and trends