10-day forecast for Simi, CA: 42° to 87°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Saturday, October 17
61° · 0.12 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1876° / 42°0
Morning46°feels 46°
Afternoon76°feels 74°
Evening52°feels 50°
Overnight50°feels 47°
76 °
Simi, Sunday, 18 October
Clear. High 76°, low 42°.
Pressure29.97 inHg
Wind2 mph SW
Humidity33%
Visibility6.2 mi
Dew point44°
Mon, 1965° / 50°0
Morning52°feels 50°
Afternoon65°feels 62°
Evening53°feels 51°
Overnight52°feels 51°
65 °
Simi, Monday, 19 October
Partly cloudy. High 65°, low 50°.
Pressure29.94 inHg
Wind7.8 mph NW
Humidity40%
Visibility6.2 mi
Dew point37°
Tue, 2067° / 47°0
Morning49°feels 49°
Afternoon67°feels 65°
Evening56°feels 55°
Overnight49°feels 49°
67 °
Simi, Tuesday, 20 October
Overcast. High 67°, low 47°.
Pressure29.88 inHg
Wind3.5 mph S
Humidity40%
Visibility6.2 mi
Dew point41°
Wed, 2174° / 51°0.02
Morning55°feels 53°
Afternoon68°feels 66°
Evening65°feels 64°
Overnight51°feels 50°
74 °
Simi, Wednesday, 21 October
Light rain. High 74°, low 51°.
Pressure29.88 inHg
Wind2.6 mph W
Humidity42%
Visibility6.2 mi
Dew point45°
Thu, 2270° / 52°0
Morning57°feels 56°
Afternoon64°feels 63°
Evening67°feels 66°
Overnight53°feels 52°
70 °
Simi, Thursday, 22 October
Overcast. High 70°, low 52°.
Pressure30.00 inHg
Wind6 mph NW
Humidity60%
Visibility—
Dew point48°
Fri, 2375° / 49°0
Morning54°feels 52°
Afternoon66°feels 65°
Evening69°feels 67°
Overnight52°feels 51°
75 °
Simi, Friday, 23 October
Mostly clear. High 75°, low 49°.
Pressure30.12 inHg
Wind5.4 mph W
Humidity49%
Visibility—
Dew point43°
Sat, 2461° / 52°0.12
Morning54°feels 54°
Afternoon60°feels 60°
Evening61°feels 61°
Overnight58°feels 58°
61 °
Simi, Saturday, 24 October
Light rain. High 61°, low 52°.
Pressure30.12 inHg
Wind9.2 mph SW
Humidity81%
Visibility—
Dew point53°
Sun, 2571° / 48°0.09
Morning56°feels 55°
Afternoon62°feels 60°
Evening67°feels 64°
Overnight51°feels 49°
71 °
Simi, Sunday, 25 October
Light rain. High 71°, low 48°.
Pressure30.03 inHg
Wind6.1 mph NW
Humidity61%
Visibility—
Dew point46°
Mon, 2678° / 48°0
Morning54°feels 51°
Afternoon69°feels 67°
Evening73°feels 72°
Overnight53°feels 52°
78 °
Simi, Monday, 26 October
Clear. High 78°, low 48°.
Pressure29.97 inHg
Wind6.1 mph NW
Humidity27%
Visibility—
Dew point30°
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, 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.