Weather Almanac: Simi Valley, CA 93063

🗓️ Historical norms for August 2025

July September

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

August avg. precipitation

🌧️ 0.07"

August days below freezing

📉 ≈0.0 days

Average August lows 62°F – 66°F

USDA Zone

10a

Annual extreme lows 30°F to 35°F

Last Spring Frost (36°F)

🌷 Apr 12

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First Fall Frost (36°F)

🍂 Nov 9

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📚 California Gardener's Handbook: Your Complete Guide: Select - Plan - Plant - Maintain - Problem-solve

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. August 1

🌅 6:05 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:55 p.m.

Sat. August 2

🌅 6:06 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:54 p.m.

Sun. August 3

🌅 6:07 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:53 p.m.

Mon. August 4

🌅 6:08 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:53 p.m.

Tue. August 5

🌅 6:08 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:52 p.m.

Wed. August 6

🌅 6:09 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:51 p.m.

Thu. August 7

🌅 6:10 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:50 p.m.

Fri. August 8

🌅 6:11 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:49 p.m.

Sat. August 9

🌅 6:11 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:48 p.m.

Sun. August 10

🌅 6:12 a.m.

H: 89°F – 101°F

L: 58°F – 69°F

🌇 7:47 p.m.

Mon. August 11

🌅 6:13 a.m.

H: 89°F – 101°F

L: 59°F – 69°F

🌇 7:45 p.m.

Tue. August 12

🌅 6:14 a.m.

H: 89°F – 102°F

L: 59°F – 69°F

🌇 7:44 p.m.

Wed. August 13

🌅 6:14 a.m.

H: 89°F – 102°F

L: 59°F – 70°F

🌇 7:43 p.m.

Thu. August 14

🌅 6:15 a.m.

H: 89°F – 102°F

L: 59°F – 70°F

🌇 7:42 p.m.

Fri. August 15

🌅 6:16 a.m.

H: 89°F – 102°F

L: 59°F – 70°F

🌇 7:41 p.m.

Sat. August 16

🌅 6:16 a.m.

H: 89°F – 102°F

L: 59°F – 70°F

🌇 7:40 p.m.

Sun. August 17

🌅 6:17 a.m.

H: 89°F – 102°F

L: 59°F – 70°F

🌇 7:39 p.m.

Mon. August 18

🌅 6:18 a.m.

H: 88°F – 102°F

L: 59°F – 70°F

🌇 7:38 p.m.

Tue. August 19

🌅 6:19 a.m.

H: 88°F – 102°F

L: 59°F – 70°F

🌇 7:36 p.m.

Wed. August 20

🌅 6:19 a.m.

H: 88°F – 102°F

L: 59°F – 70°F

🌇 7:35 p.m.

Thu. August 21

🌅 6:20 a.m.

H: 88°F – 102°F

L: 59°F – 70°F

🌇 7:34 p.m.

Fri. August 22

🌅 6:21 a.m.

H: 88°F – 102°F

L: 59°F – 70°F

🌇 7:33 p.m.

Sat. August 23

🌅 6:22 a.m.

H: 88°F – 102°F

L: 59°F – 71°F

🌇 7:31 p.m.

Sun. August 24

🌅 6:22 a.m.

H: 88°F – 102°F

L: 59°F – 71°F

🌇 7:30 p.m.

Mon. August 25

🌅 6:23 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:29 p.m.

Tue. August 26

🌅 6:24 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:28 p.m.

Wed. August 27

🌅 6:24 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:26 p.m.

Thu. August 28

🌅 6:25 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:25 p.m.

Fri. August 29

🌅 6:26 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:24 p.m.

Sat. August 30

🌅 6:27 a.m.

H: 87°F – 102°F

L: 59°F – 71°F

🌇 7:22 p.m.

Sun. August 31

🌅 6:27 a.m.

H: 86°F – 102°F

L: 58°F – 70°F

🌇 7:21 p.m.

July September

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: NEWHALL 5NW (USC00046161)

Precipitation climatic data from weather station: CHATSWORTH FC 24 F (USC00041680)

Agricultural climatic data from weather station: CANOGA PARK PIERCE CLG (USC00041484)