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🇺🇸 Weather in Vallejo

Current Weather in Vallejo

Heat Advisory issued March 20 at 11:46AM PDT until March 20 at 8:00PM PDT by NWS San Francisco CA
Sunny
26°C
Feels like 26°C. Sunny.
🌬️ 5 km/h SW
💧 54% Humidity
🧭 1011 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 14°C
🌅 Sunrise: 07:12 AM
🌇 Sunset: 07:21 PM
Map Overlays:

Hourly Forecast for Vallejo

22:00
Clear
20°
0%
23:00
Clear
19°
0%
00:00
Clear
18°
0%
01:00
Clear
17°
0%
02:00
Clear
17°
0%
03:00
Clear
16°
0%
04:00
Clear
15°
0%
05:00
Clear
14°
0%
06:00
Clear
14°
0%
07:00
Clear
14°
0%
08:00
Sunny
16°
0%
09:00
Sunny
15°
0%
10:00
Mist
16°
0%
11:00
Partly Cloudy
18°
0%
12:00
Sunny
21°
0%
13:00
Sunny
25°
0%
14:00
Sunny
27°
0%
15:00
Sunny
28°
0%
16:00
Sunny
28°
0%
17:00
Sunny
26°
0%
18:00
Sunny
24°
0%
19:00
Sunny
21°
0%
20:00
Clear
19°
0%
21:00
Clear
18°
0%

14-Day Forecast for Vallejo

Fri, Mar 20
Sunny Sunny
33° / 14°
Sat, Mar 21
Sunny Sunny
30° / 13°
Sun, Mar 22
Sunny Sunny
22° / 10°
Mon, Mar 23
Sunny Sunny
24° / 10°
Tue, Mar 24
Sunny Sunny
23° /
Wed, Mar 25
Sunny Sunny
22° / 11°
Thu, Mar 26
Sunny Sunny
24° /
Fri, Mar 27
Sunny Sunny
24° / 11°
Sat, Mar 28
Sunny Sunny
19° /
Sun, Mar 29
Sunny Sunny
22° /
Mon, Mar 30
Partly Cloudy Partly Cloudy
14° /
Tue, Mar 31
Patchy rain nearby Patchy rain nearby
20° /
Wed, Apr 01
Sunny Sunny
17° /
Thu, Apr 02
Patchy rain nearby Patchy rain nearby
16° /

Additional Forecasts for Vallejo

Marine Forecast

🌊 Sig. Wave Height 0.2 m
🌡️ Water Temp 13.1°C
🧭 Swell Direction SW
⏱️ Swell Period 6.2s

Tide Forecast

🔼 HIGH2026-03-20 02:48 (1.85m)
🔽 LOW2026-03-20 09:06 (0.07m)
🔼 HIGH2026-03-20 15:22 (1.63m)
🔽 LOW2026-03-20 21:08 (0.27m)

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 235.8 μg/m³
O₃ (Ozone) 12.0 μg/m³
NO₂ (Nitrogen Dioxide) 27.9 μg/m³
SO₂ (Sulphur Dioxide) 3.0 μg/m³
PM2.5 (Fine particles) 16.4 μg/m³
PM10 (Coarse particles) 17.6 μg/m³

Historical Weather

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