10-day forecast for Simi Valley, CA: 43° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Sunday, November 22
58° · 1.09 in
Worst day: Thursday, November 19
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1570° / 52°0
Morning59°feels 59°
Afternoon69°feels 68°
Evening57°feels 57°
Overnight55°feels 55°
70 °
Simi Valley, Sunday, 15 November
Partly cloudy. High 70°, low 52°.
Pressure30.06 inHg
Wind1.8 mph S
Humidity53%
Visibility6.2 mi
Dew point50°
Mon, 1667° / 53°0.01
Morning57°feels 56°
Afternoon67°feels 66°
Evening57°feels 56°
Overnight56°feels 55°
67 °
Simi Valley, Monday, 16 November
Light rain. High 67°, low 53°.
Pressure30.00 inHg
Wind6.5 mph W
Humidity55%
Visibility6.2 mi
Dew point50°
Tue, 1763° / 48°0
Morning56°feels 54°
Afternoon62°feels 60°
Evening51°feels 48°
Overnight52°feels 51°
63 °
Simi Valley, Tuesday, 17 November
Clear. High 63°, low 48°.
Pressure29.91 inHg
Wind3.6 mph W
Humidity39%
Visibility6.2 mi
Dew point37°
Wed, 1863° / 43°0.34
Morning48°feels 45°
Afternoon59°feels 57°
Evening58°feels 57°
Overnight44°feels 41°
63 °
Simi Valley, Wednesday, 18 November
Rain. High 63°, low 43°.
Pressure30.12 inHg
Wind8.7 mph W
Humidity39%
Visibility—
Dew point32°
Thu, 1958° / 51°1.09
Morning56°feels 55°
Afternoon58°feels 57°
Evening55°feels 54°
Overnight52°feels 51°
58 °
Simi Valley, Thursday, 19 November
Heavy rain. High 58°, low 51°.
Pressure29.97 inHg
Wind8.9 mph W
Humidity86%
Visibility—
Dew point53°
Fri, 2064° / 48°0.01
Morning51°feels 50°
Afternoon59°feels 57°
Evening61°feels 59°
Overnight49°feels 47°
64 °
Simi Valley, Friday, 20 November
Light rain. High 64°, low 48°.
Pressure30.09 inHg
Wind6.2 mph NE
Humidity54%
Visibility—
Dew point40°
Sat, 2169° / 49°0
Morning53°feels 50°
Afternoon64°feels 61°
Evening65°feels 62°
Overnight55°feels 52°
69 °
Simi Valley, Saturday, 21 November
Mostly clear. High 69°, low 49°.
Pressure30.12 inHg
Wind14.4 mph NE
Humidity31%
Visibility—
Dew point30°
Sun, 2272° / 54°0
Morning58°feels 55°
Afternoon66°feels 64°
Evening67°feels 64°
Overnight55°feels 52°
72 °
Simi Valley, Sunday, 22 November
Overcast. High 72°, low 54°.
Pressure30.12 inHg
Wind7 mph NE
Humidity22%
Visibility—
Dew point25°
Mon, 2370° / 55°0
Morning58°feels 55°
Afternoon65°feels 63°
Evening65°feels 63°
Overnight55°feels 52°
70 °
Simi Valley, Monday, 23 November
Overcast. High 70°, low 55°.
Pressure30.03 inHg
Wind6 mph NE
Humidity20%
Visibility—
Dew point22°
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 Simi Valley, 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.