Forecast
Fullerton, CA
Do I need an umbrella tomorrow

Do I need an umbrella tomorrow in Fullerton, 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 0%Total 0 in

Precip (%)

Rain (in)

Hour	Chance	Clouds	Wind	Temp	Feels	Humidity
Clear	0%	5%	1 mph G4	64°	64°	78%
Clear	0%	5%	2 mph G4	63°	62°	78%
Clear	0%	5%	2 mph G5	63°	62°	75%
Clear	0%	6%	2 mph G5	61°	61°	81%
Clear	0%	6%	2 mph G6	60°	60°	83%
Clear	0%	7%	2 mph G6	59°	59°	87%
Clear	0%	7%	2 mph G6	58°	58°	86%
Clear	0%	6%	2 mph G6	57°	58°	86%
Sunny	0%	6%	2 mph G6	59°	61°	83%
Sunny	0%	6%	1 mph G7	62°	73°	78%
Sunny	0%	7%	1 mph G7	66°	79°	67%
Sunny	0%	6%	1 mph G8	68°	81°	58%
Sunny	0%	6%	2 mph G10	73°	84°	49%
Sunny	0%	6%	2 mph G12	74°	85°	46%
Sunny	0%	5%	4 mph G13	76°	86°	44%
Sunny	0%	6%	5 mph G15	77°	85°	44%
Sunny	0%	5%	5 mph G15	76°	82°	47%
Sunny	0%	7%	6 mph G15	75°	77°	49%
Sunny	0%	7%	5 mph G11	71°	67°	63%
Clear	0%	10%	4 mph G9	68°	66°	70%
Mostly clear	0%	12%	3 mph G8	66°	65°	77%
Mostly clear	0%	15%	3 mph G7	64°	64°	84%
Mostly clear	0%	13%	2 mph G6	63°	63°	85%
Mostly clear	0%	13%	2 mph G5	63°	63°	84%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind1 mph G4

Temp64°

Feels64°

Humidity78%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind2 mph G4

Temp63°

Feels62°

Humidity78%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind2 mph G5

Temp63°

Feels62°

Humidity75%

Clear

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G5

Temp61°

Feels61°

Humidity81%

Clear

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G6

Temp60°

Feels60°

Humidity83%

Clear

Chance 0%Clouds 7%

Rain0 in

Wind2 mph G6

Temp59°

Feels59°

Humidity87%

Clear

Chance 0%Clouds 7%

Rain0 in

Wind2 mph G6

Temp58°

Feels58°

Humidity86%

Clear

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G6

Temp57°

Feels58°

Humidity86%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G6

Temp59°

Feels61°

Humidity83%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind1 mph G7

Temp62°

Feels73°

Humidity78%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind1 mph G7

Temp66°

Feels79°

Humidity67%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind1 mph G8

Temp68°

Feels81°

Humidity58%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G10

Temp73°

Feels84°

Humidity49%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind2 mph G12

Temp74°

Feels85°

Humidity46%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind4 mph G13

Temp76°

Feels86°

Humidity44%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind5 mph G15

Temp77°

Feels85°

Humidity44%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind5 mph G15

Temp76°

Feels82°

Humidity47%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind6 mph G15

Temp75°

Feels77°

Humidity49%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind5 mph G11

Temp71°

Feels67°

Humidity63%

Clear

Chance 0%Clouds 10%

Rain0 in

Wind4 mph G9

Temp68°

Feels66°

Humidity70%

Mostly clear

Chance 0%Clouds 12%

Rain0 in

Wind3 mph G8

Temp66°

Feels65°

Humidity77%

Mostly clear

Chance 0%Clouds 15%

Rain0 in

Wind3 mph G7

Temp64°

Feels64°

Humidity84%

Mostly clear

Chance 0%Clouds 13%

Rain0 in

Wind2 mph G6

Temp63°

Feels63°

Humidity85%

Mostly clear

Chance 0%Clouds 13%

Rain0 in

Wind2 mph G5

Temp63°

Feels63°

Humidity84%

Quick answer — Fullerton, CA

No need — Fullerton, CA

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

Verdict: No need
High / Low: 77° / 58°
Details: No need for an umbrella during the day.

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