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

Today 10/21
Cloudy Weather
Day 75°
Night 59°
0
Wed 10/22
Cloudy Weather
Day 70°
Night 55°
10
Thu 10/23
Cloudy Weather
Day 70°
Night 54°
0
Fri 10/24
Cloudy Weather
Day 72°
Night 59°
15
Sat 10/25
Rainy Weather
Day 68°
Night 55°
66
Sun 10/26
Rainy Weather
Day 66°
Night 54°
60
Mon 10/27
Cloudy Weather
Day 68°
Night 57°
0
Tue 10/28
Sunny Weather
Day 73°
Night 55°
0
Wed 10/29
Cloudy Weather
Day 73°
Night 64°
0
Thu 10/30
Cloudy Weather
Day 72°
Night 61°
0
Fri 10/31
Cloudy Weather
Day 66°
Night 48°
11