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

Today 12/14
Cloudy Weather
Day 55°
Night 43°
0
Mon 12/15
Cloudy Weather
Day 57°
Night 50°
1
Tue 12/16
Cloudy Weather
Day 63°
Night 55°
22
Wed 12/17
Cloudy Weather
Day 63°
Night 50°
55
Thu 12/18
Cloudy Weather
Day 64°
Night 54°
8
Fri 12/19
Cloudy Weather
Day 63°
Night 54°
25
Sat 12/20
Rainy Weather
Day 57°
Night 48°
75
Sun 12/21
Rainy Weather
Day 61°
Night 55°
75
Mon 12/22
Cloudy Weather
Day 61°
Night 52°
49
Tue 12/23
Cloudy Weather
Day 59°
Night 46°
30
Wed 12/24
Cloudy Weather
Day 55°
Night 45°
25
Thu 12/25
Cloudy Weather
Day 54°
Night 46°
30
Fri 12/26
Cloudy Weather
Day 59°
Night 48°
30
Sat 12/27
Cloudy Weather
Day 57°
Night 43°
20
Sun 12/28
Cloudy Weather
Day 55°
Night 43°
25
Mon 12/29
Cloudy Weather
Day 55°
Night 41°
25
Tue 12/30
Cloudy Weather
Day 57°
Night 41°
25
Wed 12/31
Rainy Weather
Day 57°
Night 46°
69