10-day forecast for Altadena, CA: 45° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, November 8
65° · 0.31 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3166° / 56°0.14
Morning59°feels 58°
Afternoon66°feels 65°
Evening60°feels 61°
Overnight57°feels 56°
66 °
Altadena, Saturday, 31 October
Light rain. High 66°, low 56°.
Pressure29.97 inHg
Wind3.8 mph SE
Humidity74%
Visibility6.2 mi
Dew point48°
Sun, 0161° / 46°0.28
Morning54°feels 53°
Afternoon60°feels 60°
Evening50°feels 49°
Overnight60°feels 60°
61 °
Altadena, Sunday, 1 November
Rain. High 61°, low 46°.
Pressure29.85 inHg
Wind5.4 mph SW
Humidity69%
Visibility6.2 mi
Dew point51°
Mon, 0265° / 45°0
Morning51°feels 49°
Afternoon65°feels 63°
Evening54°feels 52°
Overnight45°feels 45°
65 °
Altadena, Monday, 2 November
Clear. High 65°, low 45°.
Pressure30.12 inHg
Wind4.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point45°
Tue, 0366° / 52°0
Morning58°feels 56°
Afternoon66°feels 65°
Evening60°feels 58°
Overnight56°feels 54°
66 °
Altadena, Tuesday, 3 November
Clear. High 66°, low 52°.
Pressure30.06 inHg
Wind3.2 mph SW
Humidity40%
Visibility6.2 mi
Dew point40°
Wed, 0465° / 49°0
Morning53°feels 52°
Afternoon61°feels 60°
Evening60°feels 59°
Overnight51°feels 49°
65 °
Altadena, Wednesday, 4 November
Clear. High 65°, low 49°.
Pressure29.94 inHg
Wind4.5 mph SW
Humidity60%
Visibility—
Dew point46°
Thu, 0568° / 53°0
Morning58°feels 56°
Afternoon65°feels 64°
Evening67°feels 66°
Overnight59°feels 58°
68 °
Altadena, Thursday, 5 November
Overcast. High 68°, low 53°.
Pressure29.94 inHg
Wind6.6 mph S
Humidity54%
Visibility—
Dew point46°
Fri, 0672° / 59°0
Morning62°feels 60°
Afternoon69°feels 67°
Evening69°feels 67°
Overnight60°feels 58°
72 °
Altadena, Friday, 6 November
Overcast. High 72°, low 59°.
Pressure29.94 inHg
Wind6.9 mph N
Humidity37%
Visibility—
Dew point40°
Sat, 0779° / 59°0
Morning63°feels 61°
Afternoon74°feels 72°
Evening73°feels 71°
Overnight63°feels 60°
79 °
Altadena, Saturday, 7 November
Clear. High 79°, low 59°.
Pressure30.03 inHg
Wind8.8 mph N
Humidity14%
Visibility—
Dew point20°
Sun, 0880° / 61°0
Morning65°feels 62°
Afternoon76°feels 73°
Evening74°feels 71°
Overnight64°feels 61°
80 °
Altadena, Sunday, 8 November
Clear. High 80°, low 61°.
Pressure30.12 inHg
Wind7.8 mph N
Humidity8%
Visibility—
Dew point9°
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.