How much rain fell in Simi Valley, CA in the last 24 hours?

No measurable rain fell in Simi Valley, CA over the last 24 hours (radar-measured, NOAA MRMS). The last measurable rain was on April 21, 2026.

How much rain has fallen in Simi Valley, CA this year?

Simi Valley, CA has recorded 6.80″ of rain year-to-date in 2026.

Simi Valley, CA has received 0.00″ of rain in the past 30 days (radar-measured).

The last measurable rain in Simi Valley, CA was on April 21, 2026.

Last Rain · 24 Hours · 72 Hours · 7 Days · 30 Days
This Month · This Year

How much rain did Simi Valley, CA get?

Last RainApril 21, 2026	24 Hours	72 Hours	7 Days	30 Days	This Month	This Year
0.03″	0.00″	0.00″	0.00″	0.00″	0.00″	6.80″

Wettest month

6.33″

December 2025

Driest month

0.00″

May 2026

Longest dry streak

137 days

ended Sep 5

Most rain in 24 hours

3.86″

Dec 24

Month	Rain	Normal	% of normal	Rainy days
October 2025	2.02″	0.56″	361%	2
November 2025	5.18″	0.83″	624%	7
December 2025	6.33″	2.66″	238%	5
January 2026	1.43″	3.73″	38%	5
February 2026	4.47″	4.62″	97%	6
March 2026	0.27″	2.66″	10%	1
April 2026	0.63″	0.80″	79%	4
May 2026	0.00″	0.36″	—	0
June 2026	0.00″	0.06″	—	0
July 2026	0.00″	0.04″	—	0
August 2026	0.00″	0.00″	—	0
September 2026	0.00″	0.09″	—	0

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