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Today Hourly 7 days 30 days December
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December 2025 Weather | San Mateo, California

Today 12/24
Partly Sunny with Showers
Day 63°
Night 54°
90
Thu 12/25
Rainy Weather
Day 61°
Night 52°
91
Fri 12/26
Rainy Weather
Day 59°
Night 45°
91
Sat 12/27
Cloudy Weather
Day 59°
Night 41°
25
Sun 12/28
Cloudy Weather
Day 57°
Night 39°
2
Mon 12/29
Cloudy Weather
Day 57°
Night 43°
2
Tue 12/30
Cloudy Weather
Day 59°
Night 45°
6
Wed 12/31
Cloudy Weather
Day 61°
Night 48°
0