Weather Almanac: Rosemead, CA 91770

🗓️ Historical norms for October 2025

September November

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

October avg. precipitation

🌧️ 0.78"

October days below freezing

📉 ≈0.0 days

Average October lows 55°F – 59°F

USDA Zone

10b

Annual extreme lows 35°F to 40°F

Last Spring Frost (36°F)

🌷 Feb 6

View full details

First Fall Frost (36°F)

🍂 Dec 12

View full details

Book Recommendations (ads!)

📚 Month-by-Month Gardening California: What to Do Each Month to Have a Beautiful Garden All Year

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 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

Wed. October 1

🌅 6:47 a.m.

H: 74°F – 91°F

L: 56°F – 65°F

🌇 6:35 p.m.

Thu. October 2

🌅 6:47 a.m.

H: 74°F – 90°F

L: 55°F – 65°F

🌇 6:34 p.m.

Fri. October 3

🌅 6:48 a.m.

H: 73°F – 90°F

L: 55°F – 64°F

🌇 6:33 p.m.

Sat. October 4

🌅 6:49 a.m.

H: 73°F – 90°F

L: 55°F – 64°F

🌇 6:31 p.m.

Sun. October 5

🌅 6:50 a.m.

H: 73°F – 90°F

L: 55°F – 64°F

🌇 6:30 p.m.

Mon. October 6

🌅 6:50 a.m.

H: 73°F – 90°F

L: 54°F – 64°F

🌇 6:29 p.m.

Tue. October 7

🌅 6:51 a.m.

H: 73°F – 90°F

L: 54°F – 64°F

🌇 6:27 p.m.

Wed. October 8

🌅 6:52 a.m.

H: 72°F – 89°F

L: 54°F – 63°F

🌇 6:26 p.m.

Thu. October 9

🌅 6:53 a.m.

H: 72°F – 89°F

L: 54°F – 63°F

🌇 6:25 p.m.

Fri. October 10

🌅 6:53 a.m.

H: 72°F – 89°F

L: 54°F – 63°F

🌇 6:23 p.m.

Sat. October 11

🌅 6:54 a.m.

H: 72°F – 89°F

L: 53°F – 63°F

🌇 6:22 p.m.

Sun. October 12

🌅 6:55 a.m.

H: 72°F – 89°F

L: 53°F – 63°F

🌇 6:21 p.m.

Mon. October 13 Columbus Day

🌅 6:56 a.m.

H: 71°F – 88°F

L: 53°F – 62°F

🌇 6:20 p.m.

Tue. October 14

🌅 6:57 a.m.

H: 71°F – 88°F

L: 53°F – 62°F

🌇 6:18 p.m.

Wed. October 15

🌅 6:57 a.m.

H: 71°F – 88°F

L: 52°F – 62°F

🌇 6:17 p.m.

Thu. October 16

🌅 6:58 a.m.

H: 71°F – 88°F

L: 52°F – 62°F

🌇 6:16 p.m.

Fri. October 17

🌅 6:59 a.m.

H: 71°F – 88°F

L: 52°F – 62°F

🌇 6:15 p.m.

Sat. October 18

🌅 7:00 a.m.

H: 71°F – 87°F

L: 52°F – 61°F

🌇 6:14 p.m.

Sun. October 19

🌅 7:01 a.m.

H: 71°F – 87°F

L: 51°F – 61°F

🌇 6:12 p.m.

Mon. October 20

🌅 7:01 a.m.

H: 70°F – 87°F

L: 51°F – 61°F

🌇 6:11 p.m.

Tue. October 21

🌅 7:02 a.m.

H: 70°F – 87°F

L: 51°F – 61°F

🌇 6:10 p.m.

Wed. October 22

🌅 7:03 a.m.

H: 70°F – 87°F

L: 51°F – 61°F

🌇 6:09 p.m.

Thu. October 23

🌅 7:04 a.m.

H: 70°F – 86°F

L: 51°F – 60°F

🌇 6:08 p.m.

Fri. October 24

🌅 7:05 a.m.

H: 70°F – 86°F

L: 50°F – 60°F

🌇 6:07 p.m.

Sat. October 25

🌅 7:06 a.m.

H: 70°F – 86°F

L: 50°F – 60°F

🌇 6:06 p.m.

Sun. October 26

🌅 7:07 a.m.

H: 70°F – 86°F

L: 50°F – 60°F

🌇 6:05 p.m.

Mon. October 27

🌅 7:07 a.m.

H: 69°F – 86°F

L: 50°F – 60°F

🌇 6:03 p.m.

Tue. October 28

🌅 7:08 a.m.

H: 69°F – 85°F

L: 49°F – 59°F

🌇 6:02 p.m.

Wed. October 29

🌅 7:09 a.m.

H: 69°F – 85°F

L: 49°F – 59°F

🌇 6:01 p.m.

Thu. October 30

🌅 7:10 a.m.

H: 69°F – 85°F

L: 49°F – 59°F

🌇 6:00 p.m.

Fri. October 31 Halloween

🌅 7:11 a.m.

H: 69°F – 85°F

L: 48°F – 59°F

🌇 5:59 p.m.

September November

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

Temperature climatic data from weather station: SAN GABRIEL FIRE DEPT (USC00047785)

Precipitation climatic data from weather station: SAN GABRIEL FIRE DEPT (USC00047785)

Agricultural climatic data from weather station: SAN GABRIEL FIRE DEPT (USC00047785)