Napa, California Weather Forecast

Napa County 38.30°N, 122.30°W Pop. 85,239

Today in Napa: clear skies with a high near 69°F and a low around 51°F. Rain chance 2%. No day tops a 20% rain chance through Thursday. Highs run 64 to 72°F through Thursday.

Forecast updated 1:05 PM PDT, Oct 23

Active Weather Alerts

7-Day Forecast for Napa

Today 10/23
Clear sky
69°51°
Sat 10/24
Clear sky
72°47°
Sun 10/25
Mostly sunny
70°44°
Mon 10/26
Mostly sunny
67°44°
Tue 10/27
Mostly sunny
66°42°
Wed 10/28
Mostly sunny
66°43°
Thu 10/29
Mostly sunny
64°44°
Hourly charts, 15-day outlook and more for Napa in Local Wx →

Next 24 Hours

Now7 PM8 PM9 PM10 PM11 PMSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM
SkyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear sky
Temp64°60°58°57°56°55°54°53°53°51°50°49°48°47°47°53°58°62°66°69°71°72°72°71°
Rain0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindNNW 5NW 4WNW 4NNW 5N 6N 7N 7N 7N 6NNW 5N 4NNE 4NNW 3NNW 3NW 3N 3S 4S 5S 5S 5SSW 5SSW 5SSW 4SSW 3

Growing Conditions

Growing degree days
3,061
since Apr 1, base 50°F
Rain, last 30 days
0.22 in
model analysis
Rain, year to date
15.81 in
since Jan 1
2-inch soil temperature
60°F
yesterday, daily average
Reference ET, last 7 days
0.74 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Napa →

Current Stats & Observations

Ag Wx Pro Save locations, 15-day forecasts, daily briefings, and professional-grade meteorological tools
Get Ag Wx Pro

NWS Forecast

About Napa Weather

Napa sits at about 52 feet above sea level in Napa County, California. About 85,239 people live in the Napa area. Official forecasts and warnings for the area come from the National Weather Service MTR office, and the nearest NEXRAD radar site is KDAX. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F. Over the past ten years the last spring freeze has come around Feb 18 and the first fall freeze around Dec 13.