Forecast
San Mateo, CA
Do I need an umbrella tomorrow

Do I need an umbrella tomorrow in San Mateo, CA

Updated October 24 · Live conditions refresh automatically.

Umbrella

No need

No need for an umbrella during the day.

Tomorrow24 hours

MustNeedLikely neededLikely no needNo need

No need

Hourly rain conditions

Loading hourly rain details… Chance is shown in percent; rain amount in inches; wind in mph; humidity and cloud cover in percentages.

Peak 1%Total 0 in

Precip (%)

Rain (in)

Hour	Chance	Clouds	Wind	Temp	Feels	Humidity
Clear	0%	7%	0 mph G1	52°	53°	86%
Clear	0%	6%	1 mph G2	51°	52°	89%
Clear	0%	7%	1 mph G2	50°	51°	89%
Clear	0%	7%	1 mph G2	49°	50°	93%
Clear	0%	9%	1 mph G2	50°	51°	93%
Clear	0%	10%	1 mph G2	50°	51°	96%
Clear	0%	10%	1 mph G2	50°	51°	96%
Mostly clear	0%	15%	2 mph G6	51°	52°	96%
Mostly sunny	0%	18%	2 mph G6	52°	52°	95%
Mostly sunny	1%	18%	1 mph G7	55°	64°	90%
Mostly sunny	1%	12%	2 mph G7	58°	72°	83%
Mostly sunny	0%	13%	2 mph G8	60°	75°	77%
Mostly sunny	0%	20%	3 mph G8	61°	76°	75%
Mostly sunny	0%	26%	4 mph G9	63°	77°	70%
Mostly sunny	0%	28%	5 mph G10	66°	77°	64%
Mostly sunny	0%	26%	6 mph G11	67°	77°	61%
Mostly sunny	0%	21%	7 mph G11	66°	72°	66%
Mostly sunny	0%	17%	9 mph G11	64°	65°	71%
Mostly sunny	0%	10%	8 mph G9	62°	57°	82%
Mostly clear	0%	14%	5 mph G8	59°	56°	89%
Mostly clear	0%	15%	4 mph G6	57°	55°	96%
Mostly clear	0%	11%	4 mph G6	56°	55°	100%
Mostly clear	0%	11%	4 mph G6	55°	54°	99%
Mostly clear	0%	13%	3 mph G6	54°	54°	100%

Clear

Chance 0%Clouds 7%

Rain0 in

Wind0 mph G1

Temp52°

Feels53°

Humidity86%

Clear

Chance 0%Clouds 6%

Rain0 in

Wind1 mph G2

Temp51°

Feels52°

Humidity89%

Clear

Chance 0%Clouds 7%

Rain0 in

Wind1 mph G2

Temp50°

Feels51°

Humidity89%

Clear

Chance 0%Clouds 7%

Rain0 in

Wind1 mph G2

Temp49°

Feels50°

Humidity93%

Clear

Chance 0%Clouds 9%

Rain0 in

Wind1 mph G2

Temp50°

Feels51°

Humidity93%

Clear

Chance 0%Clouds 10%

Rain0 in

Wind1 mph G2

Temp50°

Feels51°

Humidity96%

Clear

Chance 0%Clouds 10%

Rain0 in

Wind1 mph G2

Temp50°

Feels51°

Humidity96%

Mostly clear

Chance 0%Clouds 15%

Rain0 in

Wind2 mph G6

Temp51°

Feels52°

Humidity96%

Mostly sunny

Chance 0%Clouds 18%

Rain0 in

Wind2 mph G6

Temp52°

Feels52°

Humidity95%

Mostly sunny

Chance 1%Clouds 18%

Rain0 in

Wind1 mph G7

Temp55°

Feels64°

Humidity90%

Mostly sunny

Chance 1%Clouds 12%

Rain0 in

Wind2 mph G7

Temp58°

Feels72°

Humidity83%

Mostly sunny

Chance 0%Clouds 13%

Rain0 in

Wind2 mph G8

Temp60°

Feels75°

Humidity77%

Mostly sunny

Chance 0%Clouds 20%

Rain0 in

Wind3 mph G8

Temp61°

Feels76°

Humidity75%

Mostly sunny

Chance 0%Clouds 26%

Rain0 in

Wind4 mph G9

Temp63°

Feels77°

Humidity70%

Mostly sunny

Chance 0%Clouds 28%

Rain0 in

Wind5 mph G10

Temp66°

Feels77°

Humidity64%

Mostly sunny

Chance 0%Clouds 26%

Rain0 in

Wind6 mph G11

Temp67°

Feels77°

Humidity61%

Mostly sunny

Chance 0%Clouds 21%

Rain0 in

Wind7 mph G11

Temp66°

Feels72°

Humidity66%

Mostly sunny

Chance 0%Clouds 17%

Rain0 in

Wind9 mph G11

Temp64°

Feels65°

Humidity71%

Mostly sunny

Chance 0%Clouds 10%

Rain0 in

Wind8 mph G9

Temp62°

Feels57°

Humidity82%

Mostly clear

Chance 0%Clouds 14%

Rain0 in

Wind5 mph G8

Temp59°

Feels56°

Humidity89%

Mostly clear

Chance 0%Clouds 15%

Rain0 in

Wind4 mph G6

Temp57°

Feels55°

Humidity96%

Mostly clear

Chance 0%Clouds 11%

Rain0 in

Wind4 mph G6

Temp56°

Feels55°

Humidity100%

Mostly clear

Chance 0%Clouds 11%

Rain0 in

Wind4 mph G6

Temp55°

Feels54°

Humidity99%

Mostly clear

Chance 0%Clouds 13%

Rain0 in

Wind3 mph G6

Temp54°

Feels54°

Humidity100%

Quick answer — San Mateo, CA

No need — San Mateo, CA

Do I need an umbrella tomorrow in San Mateo, CA: No need. No need for an umbrella during the day.

Verdict: No need
High / Low: 67° / 53°
Details: No need for an umbrella during the day.

Updated 10/24/2026 · Live conditions refresh automatically.