10-day forecast for Simi Valley, CA: 43° to 71°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Sunday, November 15
57° · 1.89 in
Worst day: Thursday, November 19
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1669° / 56°0.13
Morning62°feels 62°
Afternoon68°feels 68°
Evening59°feels 58°
Overnight59°feels 59°
69 °
Simi Valley, Monday, 16 November
Rain. High 69°, low 56°.
Pressure30.00 inHg
Wind4.6 mph W
Humidity83%
Visibility2.3 mi
Dew point56°
Tue, 1761° / 46°0
Morning52°feels 50°
Afternoon61°feels 59°
Evening50°feels 48°
Overnight55°feels 55°
61 °
Simi Valley, Tuesday, 17 November
Mostly clear. High 61°, low 46°.
Pressure30.03 inHg
Wind3.6 mph SW
Humidity47%
Visibility6.2 mi
Dew point40°
Wed, 1863° / 43°0
Morning50°feels 48°
Afternoon61°feels 59°
Evening54°feels 53°
Overnight44°feels 41°
63 °
Simi Valley, Wednesday, 18 November
Partly cloudy. High 63°, low 43°.
Pressure30.12 inHg
Wind7.7 mph SW
Humidity47%
Visibility6.2 mi
Dew point42°
Thu, 1957° / 51°1.89
Morning56°feels 56°
Afternoon56°feels 56°
Evening55°feels 55°
Overnight55°feels 54°
57 °
Simi Valley, Thursday, 19 November
Heavy rain. High 57°, low 51°.
Pressure29.94 inHg
Wind6.3 mph W
Humidity94%
Visibility3.4 mi
Dew point54°
Fri, 2061° / 46°0
Morning49°feels 46°
Afternoon57°feels 55°
Evening57°feels 55°
Overnight47°feels 44°
61 °
Simi Valley, Friday, 20 November
Clear. High 61°, low 46°.
Pressure30.06 inHg
Wind6.2 mph NE
Humidity60%
Visibility—
Dew point41°
Sat, 2162° / 44°0
Morning48°feels 45°
Afternoon58°feels 56°
Evening58°feels 56°
Overnight52°feels 50°
62 °
Simi Valley, Saturday, 21 November
Clear. High 62°, low 44°.
Pressure30.03 inHg
Wind10.3 mph W
Humidity58%
Visibility—
Dew point41°
Sun, 2259° / 48°0.61
Morning54°feels 53°
Afternoon56°feels 55°
Evening56°feels 54°
Overnight49°feels 47°
59 °
Simi Valley, Sunday, 22 November
Rain. High 59°, low 48°.
Pressure30.00 inHg
Wind8.2 mph NE
Humidity69%
Visibility—
Dew point46°
Mon, 2361° / 47°0
Morning50°feels 48°
Afternoon57°feels 55°
Evening57°feels 55°
Overnight51°feels 48°
61 °
Simi Valley, Monday, 23 November
Overcast. High 61°, low 47°.
Pressure30.21 inHg
Wind5.8 mph NE
Humidity45%
Visibility—
Dew point35°
Tue, 2463° / 51°0
Morning53°feels 51°
Afternoon60°feels 58°
Evening61°feels 60°
Overnight56°feels 55°
63 °
Simi Valley, Tuesday, 24 November
Overcast. High 63°, low 51°.
Pressure30.15 inHg
Wind13.4 mph W
Humidity39%
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.