Altadena weather — 10-day forecast
Temperature, rain, wind and feels-like in Altadena, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 12:00 · NOAA HRRR model
33 °C
Clear sky
Feels like 26 °C
Next 12 h
- 1233°
- 1333°
- 1434°
- 1534°
- 1634°
- 1733°
- 1830°
- 18:17Sunset
- 1929°
- 2029°
- 2127°
- 2228°
- 2328°
- 0028°
↑ 34°14:00↓ 27°21:00
- Humidity
- 14 %
- Dew point
- 2 °C
- Gusts
- 35.8 km/h
- Clouds
- 0 %
- Pressure
- 1,016 hPa
- UV
- 6 · moderate
Grid point 1.0 km away · 3.0 km grid · elevation 422 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 63.6µg/m³
- PM2.5
- 4.5µg/m³
- PM10
- 8.0µg/m³
- Nitrogen dioxide
- 6.9µg/m³
- Sulphur dioxide
- 0.8µg/m³
- Carbon monoxide
- 138.0µg/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.
9 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Clear sky
34°
25°
Sat
Overcast
32°
22°
Sun
Clear sky
25°
15°
Mon
Mainly clear38 %
23°
14°
Tue
Partly cloudy38 %
20°
13°
Wed
Rain25 mm
15°
12°
Thu
Light rain5 mm
15°
10°
Fri
Partly cloudy
15°
10°
Sat
Clear sky
22°
12°
Gusts · Fri 53.7 km/h · Wed 70.6 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:59
- Daylight
- 11 h 18
- Sunset
- 18:17
Radiation · 18.6 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Altadena the mean temperature will be 29.7 °C — +11.4 °C against the normal for 16 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Altadena