Weather Alert
Napa County Weather Warning NWS WEATHER ALERT FOR THE NAPA COUNTY, CA AREA - Issued: 748 PM PDT Sat Oct 3 2026 Napa County Weather Warning

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Napa County, CA Weather - Hour by Hour Forecast

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Napa County, CA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 62°F17°C, dew point 49°F9°C, humidity 62%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.84 in1010 mb.
Rest of Tonight - Mostly clear. Lows in the upper 50s to lower 70s. Northwest winds up to 5 mph... Full Forecast
Sunday - Mostly cloudy. Highs mid 80s to 101. East winds up to 5 mph...Becoming south in the afternoon... Full Forecast

Napa County Hourly Weather

24 Hour Forecast Scroll
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Napa County, CA Hourly Weather - Clear - 1:00 AM Napa County, CA Hourly Weather - Clear - 2:00 AM Napa County, CA Hourly Weather - Clear - 3:00 AM Napa County, CA Hourly Weather - Clear - 4:00 AM Napa County, CA Hourly Weather - Clear - 5:00 AM Napa County, CA Hourly Weather - Clear - 6:00 AM Napa County, CA Hourly Weather - Clear - 7:00 AM Napa County, CA Hourly Weather - Clear - 8:00 AM Napa County, CA Hourly Weather - Clear - 9:00 AM Napa County, CA Hourly Weather - Mostly Clear - 10:00 AM Napa County, CA Hourly Weather - Mostly Clear - 11:00 AM Napa County, CA Hourly Weather - Mostly Clear - 12:00 PM Napa County, CA Hourly Weather - Clear - 1:00 PM Napa County, CA Hourly Weather - Clear - 2:00 PM Napa County, CA Hourly Weather - Clear - 3:00 PM Napa County, CA Hourly Weather - Partly Cloudy - 4:00 PM Napa County, CA Hourly Weather - Partly Cloudy - 5:00 PM Napa County, CA Hourly Weather - Partly Cloudy - 6:00 PM Napa County, CA Hourly Weather - Mostly Cloudy - 7:00 PM Napa County, CA Hourly Weather - Mostly Cloudy - 8:00 PM Napa County, CA Hourly Weather - Mostly Cloudy - 9:00 PM Napa County, CA Hourly Weather - Clear - 10:00 PM Napa County, CA Hourly Weather - Clear - 11:00 PM Napa County, CA Hourly Weather - Clear - 12:00 AM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear
64°F18°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 68°F20°C 75°F24°C 81°F27°C 84°F29°C 88°F31°C 91°F33°C 90°F32°C 90°F32°C 89°F32°C 85°F29°C 80°F27°C 76°F24°C 73°F23°C 70°F21°C 67°F19°C 65°F18°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 6%
49°F9°C 49°F9°C 49°F9°C 49°F9°C 49°F9°C 50°F10°C 50°F10°C 51°F11°C 52°F11°C 53°F12°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 51°F11°C 52°F11°C 52°F11°C 52°F11°C 52°F11°C 52°F11°C 52°F11°C
58% 62% 62% 65% 65% 67% 65% 67% 57% 46% 39% 35% 30% 27% 28% 27% 27% 31% 38% 43% 48% 53% 59% 63%
NE N E SW NW NW NNW N NW SSW SW SW SSE S S SSE SSE SSE SSE SSE S S S S
0 mph 0 mph 0 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 4 mph 4 mph 4 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (PDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KAPC model statistics.

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Prob Precip % = Probability of Precipitation.

Napa County 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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