SAN MATEO, CA 94403 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SAN CARLOS, CA
Current Weather

4:55 AM PDT MAY 19, 2026
Clear
57°F
Feels Like: 57°F
Dewpoint: 37°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: Calm
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

SAN MATEO, CA 94403
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Clear. Lows in the mid 50s. Northwest winds up to 5 mph.
TUESDAY
Sunny. Highs in the 80s. Northeast winds up to 5 mph increasing to northwest 10 to 20 mph in the afternoon.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s. West winds 10 to 20 mph...becoming south 5 to 10 mph after midnight.
WEDNESDAY
Sunny. Highs in the 70s to mid 80s. Light winds... Becoming west 5 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s. West winds 5 to 15 mph...becoming southwest up to 5 mph after midnight.
THURSDAY
Partly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly clear. Lows in the lower 50s. Highs in the 70s to lower 80s.
SATURDAY
Mostly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s.
SATURDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s.
SUNDAY
Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s.
SUNDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s.
MEMORIAL DAY
Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s.

Visible Weather Satellite
SAN MATEO, CA 94403
Infrared Weather Satellite
SAN MATEO, CA 94403
NEXRAD Weather Radar
SAN MATEO, CA 94403

SAN CARLOS, CA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/18/2026
Tuesday
19 MAY 2026
SAN MATEO, CA 94403 weather forecast Day 1, 0 hours 11 PM 63° 63° Clear 0%

0% Thunder
( 0% severe)
WNW   6 34% 34°
Low 53° SAN MATEO, CA 94403 weather forecast Day 1, 3 hours 2 AM 57° 58° Clear   CALM 53% 40°
High 85° SAN MATEO, CA 94403 weather forecast Day 1, 6 hours 5 AM 54° 54° Clear 0%

0% Thunder
( 0% severe)
  CALM 61% 41°

Clear



SAN MATEO, CA 94403 weather forecast Day 1, 9 hours 8 AM 60° 61° Clear   CALM 53% 43°
SAN MATEO, CA 94403 weather forecast Day 1, 12 hours 11 AM 75° 75° Clear 0%

0% Thunder
( 0% severe)
N   3 28% 40°
SAN MATEO, CA 94403 weather forecast Day 1, 15 hours 2 PM 83° 81° Clear NNW   9 20% 38°
SAN MATEO, CA 94403 weather forecast Day 1, 18 hours 5 PM 82° 80° Clear 0%

0% Thunder
( 0% severe)
WNW   13 20% 37°
SAN MATEO, CA 94403 weather forecast Day 1, 21 hours 8 PM 71° 71° Clear W   8 28% 36°
Wednesday
20 MAY 2026
SAN MATEO, CA 94403 weather forecast Day 2, 0 hours 11 PM 62° 63° Clear 0%

0% Thunder
( 0% severe)
  CALM 38% 36°
Low 54° SAN MATEO, CA 94403 weather forecast Day 2, 3 hours 2 AM 57° 58° Partly Cloudy   CALM 57% 42°
High 80° SAN MATEO, CA 94403 weather forecast Day 2, 6 hours 5 AM 54° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 71% 45°

Partly Cloudy



SAN MATEO, CA 94403 weather forecast Day 2, 9 hours 8 AM 58° 59° Clear   CALM 67% 47°
SAN MATEO, CA 94403 weather forecast Day 2, 12 hours 11 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   2 49% 51°
SAN MATEO, CA 94403 weather forecast Day 2, 15 hours 2 PM 78° 79° Clear WNW   9 39% 51°
SAN MATEO, CA 94403 weather forecast Day 2, 18 hours 5 PM 77° 78° Clear 0%

0% Thunder
( 0% severe)
W   10 35% 47°
SAN MATEO, CA 94403 weather forecast Day 2, 21 hours 8 PM 66° 66° Clear   CALM 50% 47°

SAN CARLOS, CA extended weather forecast

Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Monday
25 MAY 2026
Low 53° Low 53° Low 53° Low 53° Low 52°
High 74° High 69° High 67° High 68° High 69°
SAN MATEO, CA 94403 weather forecast Day 3 SAN MATEO, CA 94403 weather forecast Day 4 SAN MATEO, CA 94403 weather forecast Day 5 SAN MATEO, CA 94403 weather forecast Day 6 SAN MATEO, CA 94403 weather forecast Day 7
Partly Cloudy
Partly Cloudy
1% Rain
Mostly Cloudy
12% Rain
Mostly Cloudy
Partly Cloudy
2% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
San Mateo, CA
San Mateo, CA snow
San Mateo, CA radar
CA map
-or-
-or-
-or-
 
94403
94403 snow
94403 radar
 
-or-
-or-
 
 
CA
CA snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions