Napa Weather Forecast
Napa weather: 58°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Snow forecast for Napa
No snow is in the current forecast window for Napa.
0 of the next 16 nights are forecast to reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for Napa
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Oct 26 | ☁️ Overcast | 71° / 49° | 0% | 10 mph | 5 |
| Tue, Oct 27 | ☁️ Overcast | 67° / 46° | 0% | 7 mph | 4 |
| Wed, Oct 28 | ☁️ Overcast | 72° / 46° | 0% | 8 mph | 4 |
| Thu, Oct 29 | ☁️ Overcast | 71° / 51° | 0% | 6 mph | 4 |
| Fri, Oct 30 | ☁️ Overcast | 69° / 46° | 1% | 10 mph | 4 |
| Sat, Oct 31 | ☁️ Overcast | 65° / 42° | 18% | 10 mph | 4 |
| Sun, Nov 1 | ☀️ Clear sky | 73° / 42° | 11% | 5 mph | 4 |
| Mon, Nov 2 | ☁️ Overcast | 76° / 46° | 8% | 5 mph | 4 |
| Tue, Nov 3 | ☁️ Overcast | 75° / 50° | 26% | 6 mph | 4 |
| Wed, Nov 4 | ☁️ Overcast | 74° / 53° | 24% | 9 mph | 3 |
| Thu, Nov 5 | 🌦️ Drizzle | 61° / 56° | 34% · 0,1 in | 6 mph | 1 |
| Fri, Nov 6 | 🌧️ Rain | 72° / 57° | 68% · 0,6 in | 19 mph | 3 |
| Sat, Nov 7 | 🌧️ Rain | 69° / 57° | 60% · 0,6 in | 13 mph | 3 |
| Sun, Nov 8 | 🌦️ Light drizzle | 68° / 54° | 49% · 0,0 in | 6 mph | 4 |
| Mon, Nov 9 | ☁️ Overcast | 76° / 54° | 46% | 4 mph | 4 |
| Tue, Nov 10 | ☀️ Clear sky | 81° / 57° | 19% | 5 mph | 4 |
Climate in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 59° | 41° | 3,9 in | ★★★☆☆ |
| February | 60° | 43° | 7,4 in | ★★☆☆☆ |
| March | 65° | 45° | 3,5 in | ★★★★☆ |
| April | 68° | 46° | 2,2 in | ★★★★☆ |
| May | 76° | 51° | 0,6 in | ★★★★★ |
| June | 82° | 54° | 0,0 in | ★★★★★ |
| July | 85° | 56° | 0,0 in | ★★★★★ |
| August | 85° | 56° | 0,1 in | ★★★★★ |
| September | 82° | 56° | 0,2 in | ★★★★★ |
| October | 77° | 53° | 0,9 in | ★★★★★ |
| November | 65° | 46° | 4,4 in | ★★★☆☆ |
| December | 59° | 43° | 7,0 in | ★★☆☆☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
What to pack, what to skip
- Layers - the daily swing is 62°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Napa forecast by time range
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Napa?
Napa is a city in California. Its coordinates are 38.2975, -122.2869. It lies in North America.
What is the weather like in Napa right now?
It is currently 58°F (15°C) with clear. Humidity is 67% and wind is 5 mph.
When is the best time to visit Napa?
May, June, July, August and September offer the most comfortable conditions in Napa, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Napa in?
Napa observes America/Los_Angeles (UTC-07:00). The local time is 9:18 PM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport to Napa?
The closest airports are San Francisco International Airport (SFO), 47 mi away.
What are the top things to do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and Julia Pfeiffer Burns State Park.
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| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 9:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
