10-day forecast for Simi Valley, CA: 49° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Saturday, November 7
71° · 0.22 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0169° / 54°0.17
Morning60°feels 60°
Afternoon69°feels 68°
Evening57°feels 56°
Overnight60°feels 61°
69 °
Simi Valley, Sunday, 1 November
Rain. High 69°, low 54°.
Pressure29.88 inHg
Wind10.5 mph SW
Humidity55%
Visibility6.2 mi
Dew point48°
Mon, 0276° / 49°0
Morning49°feels 47°
Afternoon76°feels 74°
Evening59°feels 58°
Overnight52°feels 50°
76 °
Simi Valley, Monday, 2 November
Partly cloudy. High 76°, low 49°.
Pressure30.12 inHg
Wind6.9 mph NE
Humidity32%
Visibility6.2 mi
Dew point40°
Tue, 0376° / 49°0
Morning51°feels 49°
Afternoon76°feels 74°
Evening59°feels 59°
Overnight54°feels 52°
76 °
Simi Valley, Tuesday, 3 November
Clear. High 76°, low 49°.
Pressure30.06 inHg
Wind1.3 mph SW
Humidity30%
Visibility6.2 mi
Dew point40°
Wed, 0473° / 52°0
Morning52°feels 51°
Afternoon67°feels 66°
Evening69°feels 67°
Overnight53°feels 52°
73 °
Simi Valley, Wednesday, 4 November
Clear. High 73°, low 52°.
Pressure30.00 inHg
Wind8.5 mph NE
Humidity46%
Visibility—
Dew point43°
Thu, 0579° / 54°0
Morning60°feels 58°
Afternoon75°feels 73°
Evening74°feels 73°
Overnight57°feels 56°
79 °
Simi Valley, Thursday, 5 November
Clear. High 79°, low 54°.
Pressure29.97 inHg
Wind12.9 mph NE
Humidity29%
Visibility—
Dew point37°
Fri, 0682° / 57°0
Morning61°feels 59°
Afternoon73°feels 72°
Evening73°feels 72°
Overnight63°feels 60°
82 °
Simi Valley, Friday, 6 November
Clear. High 82°, low 57°.
Pressure30.00 inHg
Wind9 mph W
Humidity26%
Visibility—
Dew point34°
Sat, 0785° / 63°0
Morning68°feels 66°
Afternoon80°feels 80°
Evening80°feels 78°
Overnight66°feels 64°
85 °
Simi Valley, Saturday, 7 November
Clear. High 85°, low 63°.
Pressure30.03 inHg
Wind8.3 mph NE
Humidity18%
Visibility—
Dew point30°
Sun, 0884° / 64°0
Morning68°feels 66°
Afternoon78°feels 78°
Evening75°feels 74°
Overnight67°feels 64°
84 °
Simi Valley, Sunday, 8 November
Clear. High 84°, low 64°.
Pressure30.00 inHg
Wind8 mph W
Humidity18%
Visibility—
Dew point30°
Mon, 0980° / 63°0
Morning69°feels 67°
Afternoon76°feels 74°
Evening74°feels 73°
Overnight64°feels 62°
80 °
Simi Valley, Monday, 9 November
Overcast. High 80°, low 63°.
Pressure30.03 inHg
Wind7.4 mph W
Humidity20%
Visibility—
Dew point31°
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.