Napa, CA

Right Now
40°
Mostly Cloudy
  • Humidity: 98%
  • Feels Like: 40°
  • Heat Index: 40°
  • Wind: 0 mph
  • Wind Chill: 40°
  • UV Index: 2 Low
  • Sunrise: 07:16:09 AM
  • Sunset: 04:48:53 PM
  • Dew Point: 39°
  • Visibility: 5 mi

Today

Areas of fog early, becoming mostly sunny this afternoon. High 61F. Winds SW at 5 to 10 mph.

Tonight

Partly cloudy skies. Low 43F. Winds light and variable.

Tomorrow

Partly cloudy skies. High 64F. Winds N at 10 to 15 mph.

Weather Alert

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* VISIBILITIES...LESS THAN A QUARTER MILE.

* TIMING...THROUGH 10 AM.

* IMPACTS...LIMITED VISIBILITIES WILL MAKE TRAVEL VERY DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

Weather Alert

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* VISIBILITY...ONE QUARTER MILE OR LESS AT TIMES.

* TIMING...THROUGH 10 AM PST.

* IMPACTS...REDUCED VISIBILITIES WILL MAKE NAVIGATING THE WATERS
DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

Next 12 Hours

Time
Temp
Precip
10 AM
45°
0%
10 AM
45°

Wind: WSW @ 1mph

Precip: 0% Chance

Humidity: 84%

Wind Chill: 45°

Heat Index: 45°

UV Index: 1 Low

Visibility: 10 mi

11 AM
50°
0%
11 AM
50°

Wind: SW @ 2mph

Precip: 0% Chance

Humidity: 71%

Wind Chill: 50°

Heat Index: 50°

UV Index: 2 Low

Visibility: 10 mi

12 PM
53°
0%
12 PM
53°

Wind: SW @ 5mph

Precip: 0% Chance

Humidity: 64%

Wind Chill: 52°

Heat Index: 53°

UV Index: 2 Low

Visibility: 10 mi

1 PM
59°
0%
1 PM
59°

Wind: SW @ 7mph

Precip: 0% Chance

Humidity: 53%

Wind Chill: 58°

Heat Index: 59°

UV Index: 2 Low

Visibility: 10 mi

2 PM
60°
0%
2 PM
60°

Wind: SW @ 7mph

Precip: 0% Chance

Humidity: 52%

Wind Chill: 59°

Heat Index: 60°

UV Index: 1 Low

Visibility: 10 mi

3 PM
60°
0%
3 PM
60°

Wind: SSW @ 7mph

Precip: 0% Chance

Humidity: 53%

Wind Chill: 59°

Heat Index: 60°

UV Index: 1 Low

Visibility: 10 mi

4 PM
59°
1%
4 PM
59°

Wind: SSW @ 6mph

Precip: 1% Chance

Humidity: 59%

Wind Chill: 58°

Heat Index: 59°

UV Index: 0 Low

Visibility: 10 mi

5 PM
54°
2%
5 PM
54°

Wind: S @ 5mph

Precip: 2% Chance

Humidity: 73%

Wind Chill: 53°

Heat Index: 54°

UV Index: 0 Low

Visibility: 9 mi

6 PM
51°
4%
6 PM
51°

Wind: S @ 4mph

Precip: 4% Chance

Humidity: 83%

Wind Chill: 50°

Heat Index: 51°

UV Index: 0 Low

Visibility: 9 mi

7 PM
48°
5%
7 PM
48°

Wind: SSW @ 4mph

Precip: 5% Chance

Humidity: 91%

Wind Chill: 47°

Heat Index: 48°

UV Index: 0 Low

Visibility: 9 mi

8 PM
47°
6%
8 PM
47°

Wind: SSW @ 4mph

Precip: 6% Chance

Humidity: 94%

Wind Chill: 46°

Heat Index: 47°

UV Index: 0 Low

Visibility: 9 mi

9 PM
46°
7%
9 PM
46°

Wind: SW @ 4mph

Precip: 7% Chance

Humidity: 99%

Wind Chill: 44°

Heat Index: 46°

UV Index: 0 Low

Visibility: 8 mi