10-day forecast for Altadena, CA: 49° to 76°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Monday, November 2
54° · 0.2 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2874° / 52°0
Morning58°feels 55°
Afternoon74°feels 74°
Evening61°feels 61°
Overnight55°feels 52°
74 °
Altadena, Wednesday, 28 October
Overcast. High 74°, low 52°.
Pressure29.97 inHg
Wind4.9 mph S
Humidity50%
Visibility6.2 mi
Dew point45°
Thu, 2964° / 52°0
Morning55°feels 53°
Afternoon64°feels 63°
Evening55°feels 55°
Overnight53°feels 50°
64 °
Altadena, Thursday, 29 October
Partly cloudy. High 64°, low 52°.
Pressure29.94 inHg
Wind4.5 mph S
Humidity64%
Visibility6.2 mi
Dew point50°
Fri, 3059° / 51°0.21
Morning52°feels 51°
Afternoon59°feels 58°
Evening52°feels 51°
Overnight53°feels 53°
59 °
Altadena, Friday, 30 October
Light rain. High 59°, low 51°.
Pressure29.94 inHg
Wind6.4 mph S
Humidity72%
Visibility6.2 mi
Dew point49°
Sat, 3154° / 49°0.2
Morning51°feels 50°
Afternoon53°feels 52°
Evening52°feels 51°
Overnight49°feels 49°
54 °
Altadena, Saturday, 31 October
Light rain. High 54°, low 49°.
Pressure29.97 inHg
Wind2.2 mph SE
Humidity89%
Visibility2.7 mi
Dew point50°
Sun, 0163° / 50°0.03
Morning53°feels 52°
Afternoon59°feels 58°
Evening57°feels 56°
Overnight50°feels 49°
63 °
Altadena, Sunday, 1 November
Light rain. High 63°, low 50°.
Pressure29.97 inHg
Wind6.1 mph W
Humidity71%
Visibility—
Dew point49°
Mon, 0276° / 52°0
Morning60°feels 59°
Afternoon72°feels 71°
Evening71°feels 70°
Overnight61°feels 59°
76 °
Altadena, Monday, 2 November
Clear. High 76°, low 52°.
Pressure29.97 inHg
Wind7.1 mph N
Humidity39%
Visibility—
Dew point43°
Tue, 0375° / 61°0
Morning64°feels 61°
Afternoon72°feels 70°
Evening69°feels 67°
Overnight61°feels 58°
75 °
Altadena, Tuesday, 3 November
Overcast. High 75°, low 61°.
Pressure30.06 inHg
Wind6.9 mph NE
Humidity13%
Visibility—
Dew point17°
Wed, 0471° / 59°0
Morning62°feels 59°
Afternoon68°feels 66°
Evening67°feels 66°
Overnight60°feels 59°
71 °
Altadena, Wednesday, 4 November
Clear. High 71°, low 59°.
Pressure30.03 inHg
Wind6.5 mph SW
Humidity36%
Visibility—
Dew point39°
Thu, 0573° / 60°0
Morning62°feels 61°
Afternoon69°feels 68°
Evening69°feels 69°
Overnight62°feels 62°
73 °
Altadena, Thursday, 5 November
Partly cloudy. High 73°, low 60°.
Pressure30.03 inHg
Wind6.4 mph SW
Humidity46%
Visibility—
Dew point46°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Altadena, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.