14 days forecast San Mateo
See the weather for the coming 14 days in San Mateo.
Tuesday, September 15 
80%
25° / 33°
2
80%Some thunderstorms, also sun
Total precipitation 4.2 mm
Precipitation chance 85%
UV index 11
Wednesday, September 16 80%
24° / 33°
2
80%Some thunderstorms, also sun
Total precipitation 4.2 mm
Precipitation chance 85%
UV index 12
Thursday, September 17 85%
24° / 33°
1
85%Some thunderstorms, also sun
Total precipitation 2.4 mm
Precipitation chance 70%
UV index 12
Friday, September 18 90%
25° / 34°
1
90%Some thunderstorms, also sun
Total precipitation 5 mm
Precipitation chance 90%
UV index 11
Saturday, September 19 
90%
25° / 34°
2
90%Sun, but also an occasional shower
Total precipitation 4.5 mm
Precipitation chance 85%
UV index 10
Sunday, September 20 85%
25° / 33°
2
85%Sun, but also an occasional shower
Total precipitation 4.6 mm
Precipitation chance 85%
UV index 10
Monday, September 21 85%
25° / 33°
2
85%Sun, but also an occasional shower
Total precipitation 5 mm
Precipitation chance 90%
UV index 11
Tuesday, September 22 70%
25° / 33°
1
70%Sun, but also an occasional shower
Total precipitation 5.5 mm
Precipitation chance 90%
UV index 9
Wednesday, September 23 70%
25° / 33°
1
70%Sun, but also an occasional shower
Total precipitation 5.8 mm
Precipitation chance 90%
UV index 9
Thursday, September 24 
70%
25° / 33°
1
70%Heavy showers possible
Total precipitation 12.7 mm
Precipitation chance 95%
UV index 8
Friday, September 25 75%
25° / 33°
1
75%Sun, but also an occasional shower
Total precipitation 9.5 mm
Precipitation chance 95%
UV index 8
Saturday, September 26 80%
25° / 33°
1
80%Sun, but also an occasional shower
Total precipitation 4.9 mm
Precipitation chance 85%
UV index 9
Sunday, September 27 75%
25° / 33°
1
75%Sun, but also an occasional shower
Total precipitation 4.5 mm
Precipitation chance 85%
UV index 9
Monday, September 28 75%
25° / 33°
1
75%Sun, but also an occasional shower
Total precipitation 5.5 mm
Precipitation chance 90%
UV index 9