Rain forecast and rainfall this year
Simi Valley, CA
No rain expected today.
Updated Monday 3:06 PM ET.
Forecast
0 percent chance of rain
TodayHigh 84°, low 61°No rain expected
0 percent chance of rain
TomorrowHigh 85°, low 62°No rain expected
Today in Simi Valley
This year so far, since Jan 1
8.96 in
−1.99 in below normal for this point in the year (10.95 in).
National rank286th of 363
In California23rd of 68
Biggest day1.99 in, Feb 16
Last measurable rain0.09 in, Nov 1, 2026
Month by month
Jan1.88
Feb3.67
Mar0.31
Apr0.55
May0.00
Jun0.00
Jul0.00
Aug0.00
Sep1.02
Oct1.44
Nov0.09
Dec–
This yearNormal
Records since 1949
Wettest year34.14 in, 2023
Biggest rain day6.51 in, Mar 20, 2011
Nearby cities
- Thousand OaksCA7.55 in this year9 miles
- MalibuCA10.55 in this year17 miles
- Santa ClaritaCA8.96 in this year18 miles
- Los AngelesCA7.42 in this year26 miles
- OxnardCA7.55 in this year27 miles
More Simi Valley weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Van Nuys Airport station, recorded since 1949; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Weather Scoreboard is not affiliated with the National Weather Service or NOAA.