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Southwestern Weather Network
Dense Fog Advisory DENSE FOG ADVISORY - San Mateo Coast

NWS Southwest Regional Radar WU South West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 15-Dec-2025 10:05am  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 45.3, Max: 46.2, Min: 43.3 45.3°F
Warmer 0.4°F than last hour.

Cold

Feels like: 40°F

  Today Yesterday
High: 46.2°F
12:00am 		53.8°F
12:28am
Low: 43.3°F
7:17am 		46.2°F
11:26pm
Wind from ENE ENE
8.9
Gust:
 12.1 mph
3 Bft - Gentle breeze
Today: 21.9 mph 8:33am
Gust Month: 25.9 mph December 09
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0 in
Season Total: 13.14 in
day since last rain.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 89 % Decreased 1.6% since last hour.
Dew Point: 42.3°F  
Barometer: 30.54 inHg  
Baro Trend: Steady
Sunrise: 7:18am
Sunset: 4:52pm
Moonrise: 3:26am
Moonset: 1:51pm
Waning Crescent
Waning Crescent, Moon at 24 days in cycle
16%
Illuminated
UV Index Forecast UV Index Forecast
15-Dec-2025
2.0     Low 
16-Dec-2025
2.0     Low 
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny
Mostly Sunny

Hi 56 °F		 NWS forecast: Mostly sunny. High near 56, with temperatures falling to around 53 in the afternoon. North wind 5 to 8 mph.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 52 °F		 NWS forecast: Mostly cloudy, with a low around 52. West northwest wind around 6 mph.