Forecast
Napa, CA
Do I need an umbrella tomorrow

Do I need an umbrella tomorrow in Napa, CA

Updated September 25 · 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
Mostly clear	0%	20%	2 mph G3	61°	60°	67%
Mostly clear	0%	17%	2 mph G3	61°	60°	64%
Clear	0%	15%	2 mph G3	59°	58°	69%
Clear	0%	13%	1 mph G3	58°	58°	72%
Clear	0%	12%	2 mph G3	58°	57°	72%
Clear	0%	14%	1 mph G3	57°	57°	77%
Mostly clear	0%	16%	2 mph G3	57°	57°	87%
Mostly clear	0%	19%	2 mph G2	57°	57°	89%
Mostly sunny	0%	21%	2 mph G3	58°	62°	90%
Mostly sunny	0%	16%	2 mph G4	62°	74°	84%
Sunny	0%	11%	2 mph G6	65°	79°	78%
Sunny	0%	7%	3 mph G7	70°	83°	68%
Sunny	0%	8%	7 mph G10	73°	82°	64%
Sunny	0%	7%	8 mph G13	76°	84°	56%
Sunny	0%	7%	10 mph G15	78°	84°	48%
Sunny	0%	6%	11 mph G16	80°	84°	41%
Sunny	0%	4%	11 mph G16	79°	82°	39%
Sunny	0%	5%	11 mph G17	78°	79°	36%
Sunny	0%	5%	11 mph G21	75°	70°	36%
Sunny	0%	4%	8 mph G17	71°	63°	41%
Clear	0%	4%	7 mph G14	64°	58°	54%
Clear	0%	4%	6 mph G13	63°	58°	57%
Clear	0%	4%	5 mph G12	59°	55°	66%
Clear	0%	4%	4 mph G11	57°	54°	71%

Mostly clear

Chance 0%Clouds 20%

Rain0 in

Wind2 mph G3

Temp61°

Feels60°

Humidity67%

Mostly clear

Chance 0%Clouds 17%

Rain0 in

Wind2 mph G3

Temp61°

Feels60°

Humidity64%

Clear

Chance 0%Clouds 15%

Rain0 in

Wind2 mph G3

Temp59°

Feels58°

Humidity69%

Clear

Chance 0%Clouds 13%

Rain0 in

Wind1 mph G3

Temp58°

Feels58°

Humidity72%

Clear

Chance 0%Clouds 12%

Rain0 in

Wind2 mph G3

Temp58°

Feels57°

Humidity72%

Clear

Chance 0%Clouds 14%

Rain0 in

Wind1 mph G3

Temp57°

Feels57°

Humidity77%

Mostly clear

Chance 0%Clouds 16%

Rain0 in

Wind2 mph G3

Temp57°

Feels57°

Humidity87%

Mostly clear

Chance 0%Clouds 19%

Rain0 in

Wind2 mph G2

Temp57°

Feels57°

Humidity89%

Mostly sunny

Chance 0%Clouds 21%

Rain0 in

Wind2 mph G3

Temp58°

Feels62°

Humidity90%

Mostly sunny

Chance 0%Clouds 16%

Rain0 in

Wind2 mph G4

Temp62°

Feels74°

Humidity84%

Sunny

Chance 0%Clouds 11%

Rain0 in

Wind2 mph G6

Temp65°

Feels79°

Humidity78%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind3 mph G7

Temp70°

Feels83°

Humidity68%

Sunny

Chance 0%Clouds 8%

Rain0 in

Wind7 mph G10

Temp73°

Feels82°

Humidity64%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind8 mph G13

Temp76°

Feels84°

Humidity56%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind10 mph G15

Temp78°

Feels84°

Humidity48%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind11 mph G16

Temp80°

Feels84°

Humidity41%

Sunny

Chance 0%Clouds 4%

Rain0 in

Wind11 mph G16

Temp79°

Feels82°

Humidity39%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind11 mph G17

Temp78°

Feels79°

Humidity36%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind11 mph G21

Temp75°

Feels70°

Humidity36%

Sunny

Chance 0%Clouds 4%

Rain0 in

Wind8 mph G17

Temp71°

Feels63°

Humidity41%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind7 mph G14

Temp64°

Feels58°

Humidity54%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind6 mph G13

Temp63°

Feels58°

Humidity57%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind5 mph G12

Temp59°

Feels55°

Humidity66%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind4 mph G11

Temp57°

Feels54°

Humidity71%

Quick answer — Napa, CA

No need — Napa, CA

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

Verdict: No need
High / Low: 80° / 46°
Details: No need for an umbrella during the day.

Updated 9/25/2026 · Live conditions refresh automatically.