78°F
Clear Sky
New Orleans, Napa Valley
Updated 2:49 AM PT
Feels Like
87°F
Humidity
89%
Wind
4 mph NNE
Precipitation
None
Today's High
86°F
Today's Low
74°F
Sunrise
4:37 AM
Sunset
5:24 PM
Hourly Forecast
2 AM
78°
5%
3 AM
78°
4%
4 AM
78°
7%
5 AM
74°
16%
6 AM
77°
17%
7 AM
81°
10%
8 AM
79°
22%
9 AM
84°
27%
10 AM
80°
29%
11 AM
82°
29%
12 PM
84°
27%
1 PM
86°
29%
7-Day Forecast
Today
Thunderstorm
86°
74°
💧 1.87"
💨 21 mph
Tomorrow
Overcast
86°
76°
💨 10 mph
Wed, Sep 2
Light Drizzle
96°
81°
💧 0.02"
💨 9 mph
Thu, Sep 3
Light Drizzle
95°
81°
💧 0.02"
💨 8 mph
Fri, Sep 4
Light Drizzle
96°
80°
💧 0.01"
💨 11 mph
Sat, Sep 5
Overcast
95°
79°
💨 10 mph
Sun, Sep 6
Overcast
97°
79°
💨 10 mph
Napa Valley Weather Notes
New Orleans sits at the heart of the Napa Valley floor, sheltered by the Mayacamas Mountains to the west and the Vaca Range to the east. The valley's fog-channeling geography creates a natural air-conditioning effect — cool Pacific fog rolls in from San Pablo Bay each evening, burning off by mid-morning. Summer afternoons typically reach the 90s°F while winter lows can dip into the low 30s. The peak growing season runs May through October, and frost risk is highest December through February.