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Weather forecast in Napa, Napa County, State of California, USA tomorrow

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Local Time.
Time Zone: GMT -7
Summer Time (+1 hour)
* weather indicated in local time
Monday, April 19, 2021
Sun:  Sunrise 06:28 AM, Sunset 07:50 PM.
Moon:  Moonrise 11:38 AM, Moonset 02:09 AM, Moon Phase: in its first quarter in its first quarter
 Earth's magnetic field: Active
 Solar ultraviolet index: 8 (Very high)

12:00 AMnightfrom 12:00 AM to 12:59 AMClear sky +54 °FClear sky
western
Wind: light breeze, western, at a speed of 4 mph
On the ground:
Wind felt on face; leaves rustle; ordinary vanes moved by wind.
On the sea:
Small wavelets, still short, but more pronounced. Crests have a glassy appearance and do not break.

Wind gusts: 9 mph
Relative humidity: 67%
Cloudiness: 88%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft

01:00 AMnightfrom 01:00 AM to 01:59 AMClear sky +52 °FClear sky
western
Wind: light air, western, at a speed of 2 mph
On the ground:
Direction of wind shown by smoke drift, but not by wind vanes.
On the sea:
Ripples with the appearance of scales are formed, but without foam crests.

Wind gusts: 9 mph
Relative humidity: 74%
Cloudiness: 7%
Atmospheric pressure: 30 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

02:00 AMnightfrom 02:00 AM to 02:59 AMPartly cloudy sky +52 °FPartly cloudy sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 80%
Cloudiness: 54%
Atmospheric pressure: 30 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

03:00 AMnightfrom 03:00 AM to 03:59 AMPartly cloudy sky +52 °FPartly cloudy sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 84%
Cloudiness: 89%
Atmospheric pressure: 30 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

04:00 AMnightfrom 04:00 AM to 04:59 AMPartly cloudy sky +50 °FPartly cloudy sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 87%
Cloudiness: 100%
Atmospheric pressure: 30 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

05:00 AMnightfrom 05:00 AM to 05:59 AMPartly cloudy sky +50 °FPartly cloudy sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 87%
Cloudiness: 100%
Atmospheric pressure: 30 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

06:00 AMmorningfrom 06:00 AM to 06:59 AMClear sky +48 °FClear sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 88%
Cloudiness: 99%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft

07:00 AMmorningfrom 07:00 AM to 07:59 AMPartly cloudy sky +48 °FPartly cloudy sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 89%
Cloudiness: 34%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft
Solar ultraviolet index: 0,1 (Low)
A UV index reading of 0 to 2 means low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

08:00 AMmorningfrom 08:00 AM to 08:59 AMClear sky +54 °FClear sky
western
Wind: light air, western, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 77%
Cloudiness: 5%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft
Solar ultraviolet index: 0,6 (Low)

09:00 AMmorningfrom 09:00 AM to 09:59 AMClear sky +61 °FClear sky
southwest
Wind: light air, southwest, at a speed of 2 mph
Wind gusts: 11 mph
Relative humidity: 63%
Cloudiness: 3%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (glassy), wave height of 0,33 ft
Solar ultraviolet index: 1,8 (Low)

10:00 AMmorningfrom 10:00 AM to 10:59 AMClear sky +68 °FClear sky
southwest
Wind: light breeze, southwest, at a speed of 4 mph
Wind gusts: 11 mph
Relative humidity: 54%
Cloudiness: 1%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 3,6 (Moderate)
A UV index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. Stay in shade near midday when the sun is strongest. If outdoors, wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

11:00 AMmorningfrom 11:00 AM to 11:59 AMClear sky +73 °FClear sky
southern
Wind: light breeze, southern, at a speed of 4 mph
Wind gusts: 13 mph
Relative humidity: 46%
Cloudiness: 0%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 5,6 (Moderate)

12:00 PMdayfrom 12:00 PM to 12:59 PMClear sky +75 °FClear sky
southern
Wind: light breeze, southern, at a speed of 4 mph
Wind gusts: 13 mph
Relative humidity: 41%
Cloudiness: 0%
Atmospheric pressure: 30,1 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 7,2 (High)
A UV index reading of 6 to 7 means high risk of harm from unprotected sun exposure. Protection against skin and eye damage is needed. Reduce time in the sun between 10 a.m. and 4 p.m. If outdoors, seek shade and wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

01:00 PMdayfrom 01:00 PM to 01:59 PMClear sky +79 °FClear sky
southern
Wind: light breeze, southern, at a speed of 7 mph
Wind gusts: 16 mph
Relative humidity: 38%
Cloudiness: 0%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 8 (Very high)
A UV index reading of 8 to 10 means very high risk of harm from unprotected sun exposure. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Minimize sun exposure between 10 a.m. and 4 p.m. If outdoors, seek shade and wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

02:00 PMdayfrom 02:00 PM to 02:59 PMClear sky +81 °FClear sky
southwest
Wind: light breeze, southwest, at a speed of 7 mph
Wind gusts: 18 mph
Relative humidity: 37%
Cloudiness: 11%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 7,6 (High)

03:00 PMdayfrom 03:00 PM to 03:59 PMClear sky +81 °FClear sky
southwest
Wind: gentle breeze, southwest, at a speed of 9 mph
On the ground:
Leaves and small twigs in constant motion; wind extends light flag.
On the sea:
Large wavelets. Crests begin to break. Foam of glassy appearance. Perhaps scattered white horses.

Wind gusts: 20 mph
Relative humidity: 35%
Cloudiness: 0%
Atmospheric pressure: 30 "Hg
State of the sea: smooth (wavelets), wave height of 1,97 ft
Solar ultraviolet index: 6 (High)

04:00 PMdayfrom 04:00 PM to 04:59 PMClear sky +81 °FClear sky
southwest
Wind: gentle breeze, southwest, at a speed of 9 mph
Wind gusts: 22 mph
Relative humidity: 33%
Cloudiness: 0%
Atmospheric pressure: 30 "Hg
State of the sea: smooth (wavelets), wave height of 1,97 ft
Solar ultraviolet index: 4,1 (Moderate)

05:00 PMdayfrom 05:00 PM to 05:59 PMPartly cloudy sky +79 °FPartly cloudy sky
southwest
Wind: gentle breeze, southwest, at a speed of 9 mph
Wind gusts: 20 mph
Relative humidity: 33%
Cloudiness: 28%
Atmospheric pressure: 30 "Hg
State of the sea: smooth (wavelets), wave height of 1,97 ft
Solar ultraviolet index: 2,2 (Low)

06:00 PMeveningfrom 06:00 PM to 06:59 PMPartly cloudy sky +77 °FPartly cloudy sky
southwest
Wind: light breeze, southwest, at a speed of 7 mph
Wind gusts: 20 mph
Relative humidity: 35%
Cloudiness: 33%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 0,8 (Low)

07:00 PMeveningfrom 07:00 PM to 07:59 PMClear sky +72 °FClear sky
southwest
Wind: light breeze, southwest, at a speed of 7 mph
Wind gusts: 16 mph
Relative humidity: 41%
Cloudiness: 0%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft
Solar ultraviolet index: 0,2 (Low)

08:00 PMeveningfrom 08:00 PM to 08:59 PMPartly cloudy sky +66 °FPartly cloudy sky
southwest
Wind: light breeze, southwest, at a speed of 4 mph
Wind gusts: 16 mph
Relative humidity: 53%
Cloudiness: 13%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft

09:00 PMeveningfrom 09:00 PM to 09:59 PMPartly cloudy sky +63 °FPartly cloudy sky
southwest
Wind: light breeze, southwest, at a speed of 4 mph
Wind gusts: 13 mph
Relative humidity: 65%
Cloudiness: 43%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft

10:00 PMeveningfrom 10:00 PM to 10:59 PMPartly cloudy sky +61 °FPartly cloudy sky
southwest
Wind: light breeze, southwest, at a speed of 4 mph
Wind gusts: 11 mph
Relative humidity: 78%
Cloudiness: 27%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft

11:00 PMeveningfrom 11:00 PM to 11:59 PMCloudy sky +57 °FCloudy sky
western
Wind: light breeze, western, at a speed of 4 mph
Wind gusts: 9 mph
Relative humidity: 88%
Cloudiness: 100%
Atmospheric pressure: 30 "Hg
State of the sea: calm (rippled), wave height of 0,66 ft

Temperature trend on the chart

Some useful data

Country:USA
Country Phone Code:+1
Location:State of California
District:Napa County
The name of the city or village:Napa
Time Zone:America/Los_Angeles, GMT -7. Summer Time (+1 hour)
Coordinates:Latitude: 38°17'50" N; Longitude: 122°17'10" W;
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Weather forecast in Napa, Napa County, State of California, USA tomorrow

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