Weather Almanac: San Ysidro, CA 92173

🗓️ Historical norms for July 2026

June August

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

July avg. precipitation

🌧️ 0.07"

July days below freezing

📉 ≈0.0 days

Average July lows ≈62.9°F

USDA Zone

10b

Annual extreme lows 35°F to 40°F

Last Spring Frost (36°F)

🌷 Feb 20

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First Fall Frost (36°F)

🍂 Dec 5

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Wed. July 1

🌅 5:44 a.m.

H: ≈72.8°F

L: ≈62.0°F

🌇 7:59 p.m.

Thu. July 2

🌅 5:44 a.m.

H: ≈72.9°F

L: ≈62.0°F

🌇 7:59 p.m.

Fri. July 3 Independence Day (observed)

🌅 5:45 a.m.

H: ≈73.0°F

L: ≈62.1°F

🌇 7:59 p.m.

Sat. July 4 Independence Day

🌅 5:45 a.m.

H: ≈73.2°F

L: ≈62.1°F

🌇 7:59 p.m.

Sun. July 5

🌅 5:46 a.m.

H: ≈73.3°F

L: ≈62.1°F

🌇 7:59 p.m.

Mon. July 6

🌅 5:46 a.m.

H: ≈73.4°F

L: ≈62.2°F

🌇 7:59 p.m.

Tue. July 7

🌅 5:47 a.m.

H: ≈73.5°F

L: ≈62.2°F

🌇 7:58 p.m.

Wed. July 8

🌅 5:47 a.m.

H: ≈73.6°F

L: ≈62.3°F

🌇 7:58 p.m.

Thu. July 9

🌅 5:48 a.m.

H: ≈73.7°F

L: ≈62.3°F

🌇 7:58 p.m.

Fri. July 10

🌅 5:48 a.m.

H: ≈73.8°F

L: ≈62.4°F

🌇 7:58 p.m.

Sat. July 11

🌅 5:49 a.m.

H: ≈73.9°F

L: ≈62.4°F

🌇 7:57 p.m.

Sun. July 12

🌅 5:49 a.m.

H: ≈73.9°F

L: ≈62.5°F

🌇 7:57 p.m.

Mon. July 13

🌅 5:50 a.m.

H: ≈74.0°F

L: ≈62.5°F

🌇 7:57 p.m.

Tue. July 14

🌅 5:51 a.m.

H: ≈74.1°F

L: ≈62.6°F

🌇 7:56 p.m.

Wed. July 15

🌅 5:51 a.m.

H: ≈74.1°F

L: ≈62.7°F

🌇 7:56 p.m.

Thu. July 16

🌅 5:52 a.m.

H: ≈74.2°F

L: ≈62.8°F

🌇 7:56 p.m.

Fri. July 17

🌅 5:52 a.m.

H: ≈74.2°F

L: ≈62.8°F

🌇 7:55 p.m.

Sat. July 18

🌅 5:53 a.m.

H: ≈74.2°F

L: ≈62.9°F

🌇 7:55 p.m.

Sun. July 19

🌅 5:54 a.m.

H: ≈74.2°F

L: ≈63.0°F

🌇 7:54 p.m.

Mon. July 20

🌅 5:54 a.m.

H: ≈74.3°F

L: ≈63.1°F

🌇 7:54 p.m.

Tue. July 21

🌅 5:55 a.m.

H: ≈74.3°F

L: ≈63.2°F

🌇 7:53 p.m.

Wed. July 22

🌅 5:56 a.m.

H: ≈74.3°F

L: ≈63.3°F

🌇 7:53 p.m.

Thu. July 23

🌅 5:56 a.m.

H: ≈74.3°F

L: ≈63.4°F

🌇 7:52 p.m.

Fri. July 24

🌅 5:57 a.m.

H: ≈74.3°F

L: ≈63.5°F

🌇 7:51 p.m.

Sat. July 25

🌅 5:57 a.m.

H: ≈74.3°F

L: ≈63.6°F

🌇 7:51 p.m.

Sun. July 26

🌅 5:58 a.m.

H: ≈74.3°F

L: ≈63.7°F

🌇 7:50 p.m.

Mon. July 27

🌅 5:59 a.m.

H: ≈74.2°F

L: ≈63.8°F

🌇 7:49 p.m.

Tue. July 28

🌅 5:59 a.m.

H: ≈74.2°F

L: ≈63.9°F

🌇 7:49 p.m.

Wed. July 29

🌅 6:00 a.m.

H: ≈74.2°F

L: ≈64.1°F

🌇 7:48 p.m.

Thu. July 30

🌅 6:01 a.m.

H: ≈74.2°F

L: ≈64.2°F

🌇 7:47 p.m.

Fri. July 31

🌅 6:01 a.m.

H: ≈74.2°F

L: ≈64.3°F

🌇 7:46 p.m.

June August

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

Temperature climatic data from weather station: IMPERIAL BEACH REAM FLD NAS (USW00093115)

Precipitation climatic data from weather station: IMPERIAL BEACH REAM FLD NAS (USW00093115)

Agricultural climatic data from weather station: SAN DIEGO BROWN FLD (USW00003178)