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 17:00 · NOAA HRRR model
25 °C
Clear sky
Feels like 24 °C
Next 12 h
- 1726°
- 1824°
- 18:14Sunset
- 1922°
- 2021°
- 2120°
- 2218°
- 2317°
- 0016°
- 0115°
- 0215°15 %
- 0316°15 %
- 0416°15 %
- 0516°15 %
↑ 26°17:00↓ 15°02:00
- Humidity
- 36 %
- Dew point
- 9 °C
- Gusts
- 9.3 km/h
- Clouds
- 0 %
- Pressure
- 1,011 hPa ↓
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
- 87.4µg/m³
- PM2.5
- 16.8µg/m³▲
- PM10
- 21.4µg/m³
- Nitrogen dioxide
- 14.8µg/m³
- Sulphur dioxide
- 4.9µg/m³
- Carbon monoxide
- 178.0µg/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.
10 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
29°
17°
Tue
Mainly clear
24°
15°
Wed
Rain98 %
21°
13°
Thu
Rain94 %
13°
10°
Fri
Partly cloudy
14°
8°
Sat
Mainly clear
19°
12°
Sun
Overcast
19°
14°
Mon
Clear sky
20°
14°
Tue
Overcast
27°
18°
Wed
Partly cloudy
26°
19°
Gusts · Wed 58.0 km/h · Thu 57.7 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:02
- Daylight
- 11 h 12
- Sunset
- 18:14
Radiation · 14.2 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 23.9 °C — +5.9 °C against the normal for 19 October, measured from 1940 to 2026. (1,291 obs.)
Nearby cities
The climate around Altadena