10-day forecast for Simi Valley, CA: 43° to 69°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, November 14
55° · 0.66 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1469° / 52°0
Morning59°feels 59°
Afternoon69°feels 68°
Evening58°feels 57°
Overnight53°feels 53°
69 °
Simi Valley, Saturday, 14 November
Clear. High 69°, low 52°.
Pressure29.91 inHg
Wind2.6 mph SW
Humidity49%
Visibility6.2 mi
Dew point46°
Sun, 1568° / 50°0
Morning56°feels 55°
Afternoon67°feels 66°
Evening58°feels 57°
Overnight51°feels 50°
68 °
Simi Valley, Sunday, 15 November
Overcast. High 68°, low 50°.
Pressure30.06 inHg
Wind3.2 mph S
Humidity51%
Visibility6.2 mi
Dew point49°
Mon, 1663° / 52°0.24
Morning57°feels 56°
Afternoon60°feels 59°
Evening54°feels 53°
Overnight54°feels 54°
63 °
Simi Valley, Monday, 16 November
Rain. High 63°, low 52°.
Pressure30.00 inHg
Wind3.4 mph W
Humidity72%
Visibility6.2 mi
Dew point52°
Tue, 1760° / 45°0
Morning49°feels 49°
Afternoon56°feels 54°
Evening57°feels 55°
Overnight49°feels 49°
60 °
Simi Valley, Tuesday, 17 November
Light rain. High 60°, low 45°.
Pressure30.06 inHg
Wind4.7 mph E
Humidity56%
Visibility—
Dew point39°
Wed, 1864° / 43°0.13
Morning47°feels 44°
Afternoon60°feels 57°
Evening59°feels 58°
Overnight53°feels 52°
64 °
Simi Valley, Wednesday, 18 November
Light rain. High 64°, low 43°.
Pressure30.18 inHg
Wind7.6 mph W
Humidity36%
Visibility—
Dew point30°
Thu, 1955° / 49°0.43
Morning53°feels 52°
Afternoon51°feels 50°
Evening54°feels 52°
Overnight50°feels 48°
55 °
Simi Valley, Thursday, 19 November
Rain. High 55°, low 49°.
Pressure30.00 inHg
Wind5.4 mph NW
Humidity89%
Visibility—
Dew point48°
Fri, 2055° / 46°0.66
Morning49°feels 48°
Afternoon54°feels 53°
Evening53°feels 52°
Overnight47°feels 45°
55 °
Simi Valley, Friday, 20 November
Rain. High 55°, low 46°.
Pressure29.91 inHg
Wind5.4 mph SW
Humidity67%
Visibility—
Dew point42°
Sat, 2156° / 46°0.04
Morning49°feels 48°
Afternoon53°feels 51°
Evening54°feels 53°
Overnight47°feels 47°
56 °
Simi Valley, Saturday, 21 November
Light rain. High 56°, low 46°.
Pressure29.97 inHg
Wind5.6 mph W
Humidity59%
Visibility—
Dew point38°
Sun, 2261° / 46°0
Morning49°feels 46°
Afternoon56°feels 53°
Evening56°feels 54°
Overnight46°feels 44°
61 °
Simi Valley, Sunday, 22 November
Overcast. High 61°, low 46°.
Pressure30.06 inHg
Wind13.8 mph N
Humidity46%
Visibility—
Dew point34°
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.