Rain forecast tomorrow in San Mateo, CA
Umbrella
No need
No need for an umbrella during the day.
Wed24 hours
MustNeedLikely neededLikely no needNo need
12AM
4AM
8AM
12PM
4PM
8PM
11PM
No need
Hourly rain conditions
No meaningful hourly rain signal is showing in the measured forecast rows. Precipitation chance is percent, rain amount is inches, wind is mph, and humidity/cloud cover are percentages.
Peak 8%Total 0 in
Precipitation chance
%7AM
1PM
7PM
1AM
Rain amount
in7AM
1PM
7PM
1AM
7AM
Mostly clear
Chance 1%Clouds 25%
Rain0 in
Wind8 mph G16
Temp53°
Feels45°
Humidity86%
8AM
Mostly clear
Chance 1%Clouds 31%
Rain0 in
Wind6 mph G13
Temp53°
Feels48°
Humidity86%
9AM
Partly cloudy
Chance 1%Clouds 36%
Rain0 in
Wind4 mph G11
Temp52°
Feels50°
Humidity86%
10AM
Partly cloudy
Chance 1%Clouds 41%
Rain0 in
Wind4 mph G9
Temp52°
Feels50°
Humidity86%
11AM
Partly cloudy
Chance 0%Clouds 42%
Rain0 in
Wind4 mph G8
Temp52°
Feels50°
Humidity86%
12PM
Partly cloudy
Chance 0%Clouds 43%
Rain0 in
Wind3 mph G7
Temp52°
Feels52°
Humidity86%
1PM
Partly sunny
Chance 0%Clouds 40%
Rain0 in
Wind2 mph G6
Temp52°
Feels52°
Humidity86%
2PM
Mostly sunny
Chance 0%Clouds 33%
Rain0 in
Wind2 mph G6
Temp53°
Feels58°
Humidity83%
3PM
Mostly sunny
Chance 0%Clouds 25%
Rain0 in
Wind3 mph G6
Temp56°
Feels68°
Humidity77%
4PM
Mostly sunny
Chance 0%Clouds 20%
Rain0 in
Wind3 mph G6
Temp59°
Feels74°
Humidity72%
5PM
Sunny
Chance 0%Clouds 14%
Rain0 in
Wind4 mph G7
Temp61°
Feels75°
Humidity67%
6PM
Mostly sunny
Chance 0%Clouds 16%
Rain0 in
Wind4 mph G8
Temp64°
Feels77°
Humidity60%
7PM
Mostly sunny
Chance 0%Clouds 23%
Rain0 in
Wind4 mph G9
Temp66°
Feels77°
Humidity56%
8PM
Partly sunny
Chance 0%Clouds 36%
Rain0 in
Wind6 mph G11
Temp66°
Feels75°
Humidity56%
9PM
Partly sunny
Chance 2%Clouds 51%
Rain0 in
Wind8 mph G14
Temp66°
Feels72°
Humidity54%
10PM
Partly sunny
Chance 3%Clouds 58%
Rain0 in
Wind10 mph G17
Temp66°
Feels70°
Humidity56%
11PM
Mostly cloudy
Chance 1%Clouds 65%
Rain0 in
Wind14 mph G22
Temp65°
Feels66°
Humidity57%
12AM
Mostly cloudy/Wind
Chance 2%Clouds 70%
Rain0 in
Wind15 mph G19
Temp63°
Feels62°
Humidity59%
1AM
Mostly cloudy
Chance 5%Clouds 67%
Rain0 in
Wind14 mph G19
Temp62°
Feels60°
Humidity64%
2AM
Partly sunny
Chance 4%Clouds 60%
Rain0 in
Wind12 mph G19
Temp60°
Feels55°
Humidity68%
3AM
Mostly cloudy
Chance 7%Clouds 65%
Rain0 in
Wind11 mph G16
Temp57°
Feels47°
Humidity73%
4AM
Mostly cloudy
Chance 7%Clouds 69%
Rain0 in
Wind7 mph G11
Temp57°
Feels51°
Humidity78%
5AM
Mostly cloudy
Chance 7%Clouds 71%
Rain0 in
Wind6 mph G9
Temp56°
Feels53°
Humidity81%
6AM
Mostly cloudy
Chance 8%Clouds 73%
Rain0 in
Wind6 mph G10
Temp57°
Feels54°
Humidity82%