10-day forecast for Simi Valley, CA: 50° to 83°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Saturday, November 7
67° · 0.16 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0272° / 51°0
Morning58°feels 57°
Afternoon72°feels 71°
Evening58°feels 57°
Overnight51°feels 50°
72 °
Simi Valley, Monday, 2 November
Clear. High 72°, low 51°.
Pressure30.09 inHg
Wind5.8 mph NE
Humidity30%
Visibility6.2 mi
Dew point40°
Tue, 0368° / 51°0
Morning57°feels 56°
Afternoon67°feels 67°
Evening57°feels 57°
Overnight53°feels 51°
68 °
Simi Valley, Tuesday, 3 November
Overcast. High 68°, low 51°.
Pressure30.03 inHg
Wind6.8 mph W
Humidity56%
Visibility5.9 mi
Dew point52°
Wed, 0473° / 50°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening58°feels 57°
Overnight51°feels 50°
73 °
Simi Valley, Wednesday, 4 November
Clear. High 73°, low 50°.
Pressure29.91 inHg
Wind2.2 mph W
Humidity39%
Visibility6.2 mi
Dew point45°
Thu, 0579° / 54°0
Morning60°feels 59°
Afternoon73°feels 72°
Evening68°feels 67°
Overnight56°feels 55°
79 °
Simi Valley, Thursday, 5 November
Clear. High 79°, low 54°.
Pressure30.00 inHg
Wind8.3 mph W
Humidity33%
Visibility—
Dew point40°
Fri, 0680° / 54°0
Morning60°feels 59°
Afternoon76°feels 74°
Evening76°feels 74°
Overnight62°feels 60°
80 °
Simi Valley, Friday, 6 November
Clear. High 80°, low 54°.
Pressure30.06 inHg
Wind12.3 mph NE
Humidity28%
Visibility—
Dew point37°
Sat, 0783° / 62°0
Morning66°feels 64°
Afternoon78°feels 76°
Evening75°feels 73°
Overnight63°feels 61°
83 °
Simi Valley, Saturday, 7 November
Clear. High 83°, low 62°.
Pressure30.00 inHg
Wind8.3 mph W
Humidity19%
Visibility—
Dew point30°
Sun, 0878° / 61°0
Morning65°feels 63°
Afternoon76°feels 74°
Evening73°feels 72°
Overnight65°feels 63°
78 °
Simi Valley, Sunday, 8 November
Overcast. High 78°, low 61°.
Pressure29.97 inHg
Wind4.9 mph W
Humidity17%
Visibility—
Dew point26°
Mon, 0975° / 60°0
Morning64°feels 63°
Afternoon71°feels 70°
Evening70°feels 69°
Overnight60°feels 60°
75 °
Simi Valley, Monday, 9 November
Overcast. High 75°, low 60°.
Pressure30.03 inHg
Wind8.5 mph SW
Humidity47%
Visibility—
Dew point49°
Tue, 1073° / 58°0
Morning61°feels 60°
Afternoon68°feels 67°
Evening68°feels 67°
Overnight60°feels 58°
73 °
Simi Valley, Tuesday, 10 November
Overcast. High 73°, low 58°.
Pressure30.15 inHg
Wind8.5 mph W
Humidity51%
Visibility—
Dew point48°
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.