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Weather in Suisun, United States 🇺🇸

Weather Forecast in Suisun

Current Weather in Suisun

Sunny
31°C
Feels like 32°C. Sunny.
🌬️ 20 km/h SW
💧 18% Humidity
🧭 1011 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 1.4
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:00 AM
🌇 Sunset: 08:28 PM
Map Overlays:

In Suisun right now it is 31°C and sunny, feeling like 32°C. Humidity is 18% with winds around 20 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Suisun range from about 13°C to 35°C.

Hourly Forecast for Suisun

19:00
Sunny
26°
2%
20:00
Sunny
20°
3%
21:00
Clear
18°
6%
22:00
Clear
17°
8%
23:00
Clear
16°
11%
00:00
Clear
16°
13%
01:00
Clear
15°
14%
02:00
Partly Cloudy
15°
17%
03:00
Partly Cloudy
15°
17%
04:00
Clear
15°
13%
05:00
Partly Cloudy
15°
13%
06:00
Partly Cloudy
15°
13%
07:00
Partly Cloudy
15°
12%
08:00
Partly Cloudy
18°
9%
09:00
Partly Cloudy
19°
6%
10:00
Sunny
21°
3%
11:00
Sunny
25°
2%
12:00
Sunny
28°
1%
13:00
Sunny
29°
1%
14:00
Sunny
31°
1%
15:00
Partly Cloudy
32°
2%
16:00
Partly Cloudy
31°
2%
17:00
Partly Cloudy
29°
3%
18:00
Partly Cloudy
27°
3%

14-Day Forecast for Suisun

Sun, Jul 19
Sunny Sunny
30° / 13°
Mon, Jul 20
Partly Cloudy Partly Cloudy
32° / 15°
Tue, Jul 21
Sunny Sunny
35° / 14°
Wed, Jul 22
Sunny Sunny
34° / 15°
Thu, Jul 23
Sunny Sunny
34° / 15°
Fri, Jul 24
Sunny Sunny
33° / 14°
Sat, Jul 25
Sunny Sunny
34° / 12°
Sun, Jul 26
Sunny Sunny
35° / 12°
Mon, Jul 27
Sunny Sunny
35° / 13°
Tue, Jul 28
Sunny Sunny
36° / 13°
Wed, Jul 29
Sunny Sunny
32° / 14°
Thu, Jul 30
Sunny Sunny
32° / 12°
Fri, Jul 31
Sunny Sunny
33° / 13°
Sat, Aug 01
Sunny Sunny
37° / 14°

Additional Forecasts for Suisun

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 99.0 μg/m³
O₃ (Ozone) 109.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.2 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 7.2 μg/m³
PM10 (Coarse particles) 9.2 μg/m³

Historical Weather

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Best Time to Be Outside in Suisun Tomorrow

There is no good daylight window left in Suisun today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 19°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Suisun

What is the temperature in Suisun right now?

The current temperature in Suisun is 31°C (88°F), sunny (feels like 32°C).

What's the weather like in Suisun right now?

Conditions in Suisun right now: Sunny, humidity 18%, wind 20 km/h SW.

What is today's forecast for Suisun?

Today in Suisun: high 30°C, low 13°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for Suisun?

Daily highs and lows for Suisun:

  • 2026-07-19: 30°C / 13°C
  • 2026-07-20: 32°C / 15°C
  • 2026-07-21: 35°C / 14°C
  • 2026-07-22: 34°C / 15°C
  • 2026-07-23: 34°C / 15°C
  • 2026-07-24: 33°C / 14°C
  • 2026-07-25: 34°C / 12°C
Is it going to rain in Suisun today?

There is a 4% chance of rain in Suisun today.

What is the wind speed in Suisun right now?

Wind in Suisun is currently 20 km/h (13 mph) from the SW.

What is the UV index in Suisun right now?

The UV index in Suisun is currently 1.4 (low). Sun protection is recommended when the index is 3 or higher.

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