Simi Valley and its surrounding mountains

Weather · October

Simi Valley weather in October

Average highs of 85°F, lows of 53°F and 0.60 in of rain, from 30 years of weather records.

October is Simi Valley’s 5th warmest month, with average highs of 85°F and lows of 53°F. That is 9° cooler than September, and 4° above the yearly average high.

Average high
85°F
Average low
53°F
Precipitation
0.60 in
Wet days
2
Sunrise · sunset
6:59 AM · 6:21 PM

October across the year

  1. 70°43°Jan
  2. 70°44°Feb
  3. 74°46°Mar
  4. 78°48°Apr
  5. 82°53°May
  6. 89°57°Jun
  7. 95°61°Jul
  8. 97°61°Aug
  9. 94°59°Sep
  10. 85°53°Oct
  11. 76°46°Nov
  12. 69°42°Dec

High and low Rain

What to wear in October

  • Warm days: shorts and T-shirts, with a light layer for cooler evenings.

October is good for

What’s on in Simi Valley in October

See all upcoming events.

Around Simi Valley

View from a trail in Oak Park, Simi Valley
Oak-Park-Simi-ValleyUser:Niceley · CC BY-SA 4.0
Simi Valley from Corriganville Regional Park-21755687418
Simi Valley from Corriganville Regional Park-21755687418Jeff Turner · CC BY 2.0
A Family Christian Store- Simi Valley, California
A Family Christian Store- Simi Valley, California 01DoulosBen · CC BY-SA 4.0

See Simi Valley

A look around town before you go.

October compared with the months around it

MonthHighLowRain
September94°F59°F0.10 in
October85°F53°F0.60 in
November76°F46°F0.80 in

Planning a trip? See the best time to visit Simi Valley and today’s forecast.

Questions

How hot does it get in Simi Valley in October?

Average highs are 85°F and average lows 53°F, for a daily mean of 69°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Simi Valley in October?

October averages 0.60 in of precipitation over about 2 days with at least 0.01 in. It is the 7th wettest month of the year.

What time is sunset in Simi Valley in October?

Around mid-October the sun rises about 6:59 AM and sets about 6:21 PM, for roughly 11.4 hours of daylight.

Is October a good time to visit Simi Valley?

The mildest months for visiting are April, May, November. October is warm, with Halloween events.

NOAA U.S. Climate Normals 1991–2020, Woodland Hills Pierce College station (11.3 mi from downtown). Sunrise and sunset are calculated for October 15 at the city’s coordinates.

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