Pasadena weather — 10-day forecast

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

Now

Reading from 23:00 · NOAA HRRR model

29 °C

Clear sky

Feels like 33 °C

7.5 km/hforce 1

Next 12 h

  • 2329°
  • 0029°
  • 0128°
  • 0227°
  • 0327°
  • 0427°
  • 0526°
  • 0626°
  • 06:45Sunrise
  • 0726°
  • 0827°
  • 0930°
  • 1031°
  • 1133°

26°07:00 33°11:00

Humidity
76 %
Dew point
24 °C
Gusts
18.0 km/h
Clouds
8 %
Pressure
1,018 hPa ↑
Storm
severe possible

Grid point 1.1 km away · 3.0 km grid · elevation 12 m

Air quality

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

Reading from 01:00
36
Fair

Index set by PM2.5

PM2.5
18.0µg/m³
PM10
21.8µg/m³
Ozone
28.0µg/m³
Nitrogen dioxide
19.3µg/m³
Sulphur dioxide
1.6µg/m³
Carbon monoxide
142.0µg/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.

25° → 36°

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

  • Today

    Mainly clear72 %

    32°

    29°

  • Sat

    Mainly clear96 %

    36°

    26°

  • Sun

    Partly cloudy96 %

    34°

    25°

  • Mon

    Thunderstorm96 %

    34°

    26°

  • Tue

    Partly cloudy96 %

    36°

    26°

  • Wed

    Partly cloudy64 %

    35°

    27°

  • Thu

    Mainly clear

    35°

    26°

  • Fri

    Mainly clear

    35°

    26°

  • Sat

    Thunderstorm1 mm

    36°

    27°

  • Sun

    Mainly clear

    34°

    27°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV0low
Sunrise
06:45
Daylight
13 h 24
Sunset
20:09

Radiation · 0.6 MJ/m²

Sea state

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

0.1 mperiod 2 s 127°

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

Data: ECMWF

Today in Pasadena the mean temperature will be 30.3 °C — +2.0 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Pasadena climate — normals and trends