Marine Weather Net

Napa, CA Weather Forecast




Napa, California

 Lat: 38.24N, Lon: 122.06W

Current Conditions Updated: 855 AM PST SUN DEC 28 2025

Clear


Temp: 42°F
  • Humidity:
  • 90%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.3 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 42°F

  • Sunrise:
  • 7:22 AM PST
  • Sunset:
  • 4:54 PM PST
  • Moonrise:
  • 12:15 PM PST
  • Moonset:
  • 12:53 AM PST

TODAY

CLEARING

Hi: 52°F
Lo: 38°F

MONDAY

MOSTLY CLOUDY
Hi: 50°F
Lo: 37°F

TUESDAY

MOSTLY CLOUDY
Hi: 50°F
Lo: 39°F

WEDNESDAY

MOSTLY CLOUDY
Hi: 50°F
Lo: 42°F
Weather Forecast In Detail:
Forecast Issued: 700 AM PST Sun Dec 28 2025

Today...Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 49 to 55. Northwest winds up to 10 mph shifting to the north in the afternoon.
Tonight...Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows around 38. Northeast winds up to 10 mph.
Monday...Patchy dense fog in the morning. Mostly cloudy. Highs 47 to 52. Northeast winds up to 10 mph.
Monday Night...Mostly clear in the evening then becoming mostly cloudy. Lows around 37. Light winds.
Tuesday...Mostly cloudy. Highs around 50. Northeast winds up to 10 mph.
Tuesday Night...Mostly cloudy. Lows around 39.
Wednesday...Mostly cloudy. Highs around 50.
Wednesday Night...Mostly cloudy with a chance of rain. Lows around 42.
New Years Day...Cloudy with a chance of rain. Highs around 51.
Thursday Night...Rain likely. Lows around 46.
Friday...Mostly cloudy with rain likely. Highs around 53.
Friday Night And Saturday...Mostly cloudy with a chance of rain. Lows around 45. Highs around 51. && temperature / precipitation fairfield/suisun 53 36 52 / 0 0 0
SHARE THIS PAGE: