Napa, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Napa, CA in one place.
Sunny. High near 76, with temperatures falling to around 73 in the afternoon. Southwest wind 2 to 14 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Napa, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 11:43 AM PDT.
The active forecast window currently covers May 25 to May 30, 2026 for Napa, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 11:43 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Napa
Saturday looks like the warmest upcoming period in Napa at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Wednesday at about 12 to 17 mph NNW.
The forecast from May 25 through May 30 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 11:43 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 50. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.
Mostly sunny, with a high near 71. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 53.
Sunny, with a high near 74.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 53.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Sunny, with a high near 82.
Mostly clear, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Sunny
|
76°F |
2 to 14 mph
SW
|
|
Monday Night
May 25
|
Partly Cloudy
|
50°F |
6 to 14 mph
WSW
|
|
Tuesday
May 26
|
Mostly Sunny
|
71°F |
6 to 10 mph
WNW
|
|
Tuesday Night
May 26
|
Mostly Clear
|
53°F |
8 to 13 mph
NW
|
|
Wednesday
May 27
|
Sunny
|
74°F |
12 to 17 mph
NNW
|
|
Wednesday Night
May 27
|
Mostly Clear
|
56°F |
5 to 12 mph
NNW
|
|
Thursday
May 28
|
Mostly Sunny
|
77°F |
5 to 12 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
53°F |
1 to 12 mph
SW
|
|
Friday
May 29
|
Sunny
|
79°F |
0 to 8 mph
SSW
|
|
Friday Night
May 29
|
Mostly Clear
|
55°F |
1 to 8 mph
WSW
|
|
Saturday
May 30
|
Sunny
|
82°F |
1 to 9 mph
WSW
|
|
Saturday Night
May 30
|
Mostly Clear
|
55°F |
1 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Napa.