Weather Tomorrow

Weather Tomorrow in San Mateo, CA

Sunday, August 23, 2026

78°Low 58°FColdHot
Cloudy

Precip chance

1%

Wind

1-8 mph

Humidity

77%

Feels like

76–60°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

58°Temperature trend78°
TimeTempConditionRain %Wind
7 AM60°FPartly Cloudy
0%
5 mph SW
8 AM59°FPartly Cloudy
0%
5 mph SW
9 AM59°FPartly Cloudy
0%
2 mph SW
10 AM58°FPartly Cloudy
0%
3 mph WSW
11 AM58°FPartly Cloudy
0%
3 mph WSW
12 PM58°FMostly Cloudy
0%
2 mph WSW
1 PM58°FPartly Sunny
0%
2 mph WSW
2 PM58°FMostly Cloudy
0%
2 mph W
3 PM60°FMostly Cloudy
0%
1 mph SSW
4 PM62°FMostly Cloudy
0%
1 mph W
5 PM66°FMostly Cloudy
0%
1 mph N
6 PM69°FPartly Sunny
0%
3 mph N
7 PM72°FMostly Sunny
0%
3 mph NNW
8 PM75°FMostly Sunny
0%
5 mph NW
9 PM77°FMostly Sunny
0%
5 mph WNW
10 PM78°FPartly Sunny
1%
7 mph WSW
11 PM77°FPartly Sunny
1%
8 mph WSW
12 AM76°FMostly Sunny
0%
8 mph WSW
1 AM73°FPartly Cloudy
0%
8 mph WSW
2 AM68°FPartly Cloudy
0%
8 mph WSW
3 AM64°FPartly Cloudy
0%
3 mph WSW
4 AM62°FPartly Cloudy
0%
3 mph WSW
5 AM61°FPartly Cloudy
0%
3 mph WSW
6 AM60°FPartly Cloudy
0%
3 mph WSW

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

  • T-shirt or light blouse
  • Shorts or light pants

Footwear

Comfortable shoes or sandals

Accessories

  • Sunglasses

Conditions

High: 78°F

Low: 58°F

Wind: 1-8 mph

Rain: 1%

Enjoy your day!

Best Time to Be Outside Tomorrow

6 PM – 7 PM99

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

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Frequently Asked Questions

What is the weather forecast for tomorrow in San Mateo, CA?
Tomorrow in San Mateo: High of 78°F, Low of 58°F. Cloudy with 1% chance of precipitation. Wind 1-8 mph.
Will it rain tomorrow in San Mateo?
No significant precipitation expected tomorrow.
What should I wear tomorrow in San Mateo?
With a high of 78°F and low of 58°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.