Forecast
Napa, CA
Will it rain tomorrow

Will it rain 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%	21%	2 mph G4	62°	61°	67%
Mostly clear	0%	17%	2 mph G4	61°	60°	67%
Mostly clear	0%	16%	2 mph G4	59°	58°	72%
Clear	0%	14%	1 mph G3	58°	58°	78%
Clear	0%	13%	2 mph G4	58°	57°	78%
Clear	0%	15%	1 mph G3	58°	58°	81%
Mostly clear	0%	16%	2 mph G4	57°	57°	89%
Mostly clear	0%	19%	2 mph G3	57°	58°	93%
Mostly sunny	0%	21%	2 mph G4	58°	62°	93%
Mostly sunny	0%	16%	2 mph G5	62°	74°	84%
Sunny	0%	11%	2 mph G6	66°	80°	78%
Sunny	0%	7%	2 mph G7	70°	84°	68%
Sunny	0%	7%	5 mph G11	73°	84°	59%
Sunny	0%	7%	7 mph G13	76°	84°	50%
Sunny	0%	7%	9 mph G15	78°	84°	46%
Sunny	0%	6%	10 mph G17	79°	84°	42%
Sunny	0%	5%	11 mph G17	80°	83°	38%
Sunny	0%	6%	11 mph G17	79°	80°	35%
Sunny	0%	5%	10 mph G21	77°	73°	33%
Sunny	0%	5%	7 mph G17	73°	67°	38%
Clear	0%	5%	6 mph G14	66°	61°	51%
Clear	0%	4%	4 mph G13	65°	61°	54%
Clear	0%	5%	4 mph G12	63°	59°	58%
Clear	0%	5%	3 mph G11	60°	57°	65%

Mostly clear

Chance 0%Clouds 21%

Rain0 in

Wind2 mph G4

Temp62°

Feels61°

Humidity67%

Mostly clear

Chance 0%Clouds 17%

Rain0 in

Wind2 mph G4

Temp61°

Feels60°

Humidity67%

Mostly clear

Chance 0%Clouds 16%

Rain0 in

Wind2 mph G4

Temp59°

Feels58°

Humidity72%

Clear

Chance 0%Clouds 14%

Rain0 in

Wind1 mph G3

Temp58°

Feels58°

Humidity78%

Clear

Chance 0%Clouds 13%

Rain0 in

Wind2 mph G4

Temp58°

Feels57°

Humidity78%

Clear

Chance 0%Clouds 15%

Rain0 in

Wind1 mph G3

Temp58°

Feels58°

Humidity81%

Mostly clear

Chance 0%Clouds 16%

Rain0 in

Wind2 mph G4

Temp57°

Feels57°

Humidity89%

Mostly clear

Chance 0%Clouds 19%

Rain0 in

Wind2 mph G3

Temp57°

Feels58°

Humidity93%

Mostly sunny

Chance 0%Clouds 21%

Rain0 in

Wind2 mph G4

Temp58°

Feels62°

Humidity93%

Mostly sunny

Chance 0%Clouds 16%

Rain0 in

Wind2 mph G5

Temp62°

Feels74°

Humidity84%

Sunny

Chance 0%Clouds 11%

Rain0 in

Wind2 mph G6

Temp66°

Feels80°

Humidity78%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind2 mph G7

Temp70°

Feels84°

Humidity68%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind5 mph G11

Temp73°

Feels84°

Humidity59%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind7 mph G13

Temp76°

Feels84°

Humidity50%

Sunny

Chance 0%Clouds 7%

Rain0 in

Wind9 mph G15

Temp78°

Feels84°

Humidity46%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind10 mph G17

Temp79°

Feels84°

Humidity42%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind11 mph G17

Temp80°

Feels83°

Humidity38%

Sunny

Chance 0%Clouds 6%

Rain0 in

Wind11 mph G17

Temp79°

Feels80°

Humidity35%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind10 mph G21

Temp77°

Feels73°

Humidity33%

Sunny

Chance 0%Clouds 5%

Rain0 in

Wind7 mph G17

Temp73°

Feels67°

Humidity38%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind6 mph G14

Temp66°

Feels61°

Humidity51%

Clear

Chance 0%Clouds 4%

Rain0 in

Wind4 mph G13

Temp65°

Feels61°

Humidity54%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind4 mph G12

Temp63°

Feels59°

Humidity58%

Clear

Chance 0%Clouds 5%

Rain0 in

Wind3 mph G11

Temp60°

Feels57°

Humidity65%

Quick answer — Napa, CA

No need — Napa, CA

Will it rain tomorrow in Napa, CA: No need. No need for an umbrella during the day.

Verdict: No need
High / Low: 80° / 50°
Details: No need for an umbrella during the day.

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