NimbocastNapa, CA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Napa, Napa County, California.
Updated Jul 29, 2026, 2:04 PM local time · Radar refreshes every 5 minutes
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Napa
81°F
Wind 8 mph
Humidity 52%
Cloud cover 1%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Napa, CA.
Napa weather radar
Light
Heavy
Next 24 hours
Now
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81°F
3 PM
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83°F
4 PM
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85°F
5 PM
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86°F
6 PM
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85°F
7 PM
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82°F
8 PM
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75°F
9 PM
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70°F
10 PM
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66°F
11 PM
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63°F
12 AM
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62°F
1%
1 AM
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60°F
1%
2 AM
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59°F
1%
3 AM
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58°F
1%
4 AM
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56°F
1%
5 AM
☀️
56°F
1%
6 AM
🌤️
56°F
1%
7 AM
🌤️
56°F
1%
8 AM
🌤️
58°F
9 AM
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62°F
10 AM
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69°F
11 AM
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75°F
12 PM
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81°F
1 PM
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84°F
7-day forecast
Today
Jul 29
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86°F
59°F
1%
Thu
Jul 30
🌤️
90°F
56°F
1%
Fri
Jul 31
🌤️
88°F
54°F
1%
Sat
Aug 1
☀️
91°F
53°F
Sun
Aug 2
☀️
89°F
55°F
Mon
Aug 3
☀️
91°F
53°F
Tue
Aug 4
☀️
91°F
53°F
Weather near Napa
9 mi
American Canyon, CA11 mi
Agua Caliente, CA13 mi
Vallejo, CA14 mi
Fairfield, CA14 mi
Suisun, CA17 mi
Vacaville, CA18 mi
Benicia, CA19 mi
Hercules, CA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.