Weather Almanac: San Mateo, CA 94403

🗓️ Historical norms for August 2025

August avg. precipitation
🌧️ 0.05"
August days below freezing
📉 ≈0.0 days
Average August lows 55°F – 57°F
USDA Zone
10a
Annual extreme lows 30°F to 35°F
Last Spring Frost (36°F)
🌷 Mar 3
First Fall Frost (36°F)
🍂 Nov 18
Fri. August 1  

🌅 6:13 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:16 p.m.

Sat. August 2  

🌅 6:14 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:15 p.m.

Sun. August 3  

🌅 6:15 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:14 p.m.

Mon. August 4  

🌅 6:16 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:13 p.m.

Tue. August 5  

🌅 6:17 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:12 p.m.

Wed. August 6  

🌅 6:17 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:11 p.m.

Thu. August 7  

🌅 6:18 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:10 p.m.

Fri. August 8  

🌅 6:19 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:09 p.m.

Sat. August 9 🌕

🌅 6:20 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:08 p.m.

Sun. August 10  

🌅 6:21 a.m.

H: 75°F – 88°F

L: 53°F – 60°F

🌇 8:07 p.m.

Mon. August 11  

🌅 6:22 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 8:05 p.m.

Tue. August 12  

🌅 6:23 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 8:04 p.m.

Wed. August 13  

🌅 6:23 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 8:03 p.m.

Thu. August 14  

🌅 6:24 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 8:02 p.m.

Fri. August 15 🌗

🌅 6:25 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 8:01 p.m.

Sat. August 16  

🌅 6:26 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 7:59 p.m.

Sun. August 17  

🌅 6:27 a.m.

H: 75°F – 88°F

L: 53°F – 59°F

🌇 7:58 p.m.

Mon. August 18  

🌅 6:28 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:57 p.m.

Tue. August 19  

🌅 6:28 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:55 p.m.

Wed. August 20  

🌅 6:29 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:54 p.m.

Thu. August 21  

🌅 6:30 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:53 p.m.

Fri. August 22 🌑

🌅 6:31 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:51 p.m.

Sat. August 23  

🌅 6:32 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:50 p.m.

Sun. August 24  

🌅 6:33 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:49 p.m.

Mon. August 25  

🌅 6:34 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:47 p.m.

Tue. August 26  

🌅 6:34 a.m.

H: 75°F – 88°F

L: 52°F – 59°F

🌇 7:46 p.m.

Wed. August 27  

🌅 6:35 a.m.

H: 74°F – 88°F

L: 52°F – 59°F

🌇 7:44 p.m.

Thu. August 28  

🌅 6:36 a.m.

H: 74°F – 88°F

L: 52°F – 59°F

🌇 7:43 p.m.

Fri. August 29  

🌅 6:37 a.m.

H: 74°F – 88°F

L: 52°F – 59°F

🌇 7:41 p.m.

Sat. August 30 🌓

🌅 6:38 a.m.

H: 74°F – 88°F

L: 52°F – 59°F

🌇 7:40 p.m.

Sun. August 31  

🌅 6:39 a.m.

H: 74°F – 88°F

L: 52°F – 59°F

🌇 7:39 p.m.


Temperature climatic data from weather station: REDWOOD CITY (USC00047339)

Precipitation climatic data from weather station: REDWOOD CITY (USC00047339)

Agricultural climatic data from weather station: REDWOOD CITY (USC00047339)