10-day forecast for Simi, CA: 37° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Saturday, October 17
63° · 0.16 in
Worst day: Tuesday, October 20
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1877° / 43°0
Morning47°feels 47°
Afternoon77°feels 76°
Evening52°feels 50°
Overnight49°feels 49°
77 °
Simi, Sunday, 18 October
Clear. High 77°, low 43°.
Pressure29.97 inHg
Wind1.8 mph S
Humidity30%
Visibility6.2 mi
Dew point43°
Mon, 1964° / 37°0.03
Morning52°feels 51°
Afternoon64°feels 62°
Evening53°feels 52°
Overnight41°feels 36°
64 °
Simi, Monday, 19 October
Light rain. High 64°, low 37°.
Pressure29.94 inHg
Wind6.4 mph W
Humidity44%
Visibility6.2 mi
Dew point40°
Tue, 2063° / 48°0.16
Morning50°feels 50°
Afternoon61°feels 60°
Evening55°feels 54°
Overnight48°feels 48°
63 °
Simi, Tuesday, 20 October
Rain. High 63°, low 48°.
Pressure29.88 inHg
Wind3.7 mph SW
Humidity83%
Visibility6.2 mi
Dew point50°
Wed, 2168° / 51°0.1
Morning51°feels 50°
Afternoon68°feels 66°
Evening65°feels 64°
Overnight51°feels 50°
68 °
Simi, Wednesday, 21 October
Light rain. High 68°, low 51°.
Pressure29.94 inHg
Wind1.9 mph S
Humidity69%
Visibility6.2 mi
Dew point52°
Thu, 2275° / 51°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening71°feels 70°
Overnight56°feels 55°
75 °
Simi, Thursday, 22 October
Clear. High 75°, low 51°.
Pressure30.00 inHg
Wind9.1 mph NW
Humidity50%
Visibility—
Dew point47°
Fri, 2379° / 51°0
Morning56°feels 55°
Afternoon71°feels 69°
Evening71°feels 70°
Overnight53°feels 51°
79 °
Simi, Friday, 23 October
Clear. High 79°, low 51°.
Pressure30.03 inHg
Wind8.4 mph NW
Humidity39%
Visibility—
Dew point42°
Sat, 2476° / 51°0
Morning56°feels 55°
Afternoon70°feels 69°
Evening69°feels 68°
Overnight53°feels 52°
76 °
Simi, Saturday, 24 October
Partly cloudy. High 76°, low 51°.
Pressure30.03 inHg
Wind5.9 mph S
Humidity42%
Visibility—
Dew point43°
Sun, 2577° / 53°0
Morning58°feels 57°
Afternoon71°feels 69°
Evening71°feels 70°
Overnight57°feels 56°
77 °
Simi, Sunday, 25 October
Overcast. High 77°, low 53°.
Pressure29.94 inHg
Wind6 mph S
Humidity43%
Visibility—
Dew point44°
Mon, 2683° / 58°0
Morning63°feels 61°
Afternoon76°feels 75°
Evening74°feels 73°
Overnight58°feels 56°
83 °
Simi, Monday, 26 October
Overcast. High 83°, low 58°.
Pressure29.77 inHg
Wind6.2 mph S
Humidity27%
Visibility—
Dew point38°
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.