10-day forecast for Simi Valley, CA: 49° to 85°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, November 8
74°
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0374° / 53°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening57°feels 56°
Overnight54°feels 52°
74 °
Simi Valley, Tuesday, 3 November
Mostly clear. High 74°, low 53°.
Pressure30.06 inHg
Wind7.6 mph W
Humidity50%
Visibility6.2 mi
Dew point50°
Wed, 0474° / 49°0
Morning57°feels 55°
Afternoon74°feels 73°
Evening58°feels 57°
Overnight51°feels 50°
74 °
Simi Valley, Wednesday, 4 November
Clear. High 74°, low 49°.
Pressure29.91 inHg
Wind2.7 mph NW
Humidity39%
Visibility6.2 mi
Dew point45°
Thu, 0578° / 54°0
Morning61°feels 60°
Afternoon78°feels 76°
Evening62°feels 60°
Overnight55°feels 53°
78 °
Simi Valley, Thursday, 5 November
Partly cloudy. High 78°, low 54°.
Pressure29.97 inHg
Wind12.4 mph NE
Humidity25%
Visibility6.2 mi
Dew point38°
Fri, 0681° / 56°0
Morning62°feels 60°
Afternoon77°feels 76°
Evening76°feels 76°
Overnight62°feels 60°
81 °
Simi Valley, Friday, 6 November
Clear. High 81°, low 56°.
Pressure30.06 inHg
Wind13.6 mph NE
Humidity24%
Visibility—
Dew point35°
Sat, 0784° / 62°0
Morning67°feels 65°
Afternoon80°feels 79°
Evening79°feels 77°
Overnight65°feels 62°
84 °
Simi Valley, Saturday, 7 November
Clear. High 84°, low 62°.
Pressure30.03 inHg
Wind13.3 mph NE
Humidity18%
Visibility—
Dew point30°
Sun, 0885° / 63°0
Morning68°feels 66°
Afternoon79°feels 79°
Evening76°feels 74°
Overnight65°feels 62°
85 °
Simi Valley, Sunday, 8 November
Clear. High 85°, low 63°.
Pressure29.97 inHg
Wind9.3 mph W
Humidity14%
Visibility—
Dew point24°
Mon, 0978° / 63°0
Morning67°feels 65°
Afternoon75°feels 74°
Evening74°feels 73°
Overnight63°feels 62°
78 °
Simi Valley, Monday, 9 November
Overcast. High 78°, low 63°.
Pressure30.00 inHg
Wind4.6 mph W
Humidity18%
Visibility—
Dew point28°
Tue, 1078° / 60°0
Morning65°feels 63°
Afternoon73°feels 71°
Evening70°feels 69°
Overnight61°feels 59°
78 °
Simi Valley, Tuesday, 10 November
Overcast. High 78°, low 60°.
Pressure30.06 inHg
Wind9.3 mph W
Humidity32%
Visibility—
Dew point40°
Wed, 1179° / 59°0
Morning63°feels 61°
Afternoon73°feels 71°
Evening70°feels 69°
Overnight61°feels 60°
79 °
Simi Valley, Wednesday, 11 November
Clear. High 79°, low 59°.
Pressure30.12 inHg
Wind7.5 mph W
Humidity30%
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 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.