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Current weather in Suisun City is overcast clouds.

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This page shows hourly weather forecast for Suisun City, including temperature, wind, precipitation, humidity and cloud cover.

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Weather data for Suisun City is updated regularly with the latest available observations and forecasts.

Now · 12:37 AM

Suisun City Weather & Hourly Forecast

United States · California · 94585

70°F

Overcast night

Feels like: 69°F

💧 Humidity 57% 🌡 Pressure 30.00 inHg 💨 Wind 4 mph 👁 Visibility 19.3 mi ☁ Clouds 98% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Suisun City

Today

1:00 AM

Overcast night

70° 💧 None 💨 4 mph H 57%30.00 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 67%30.00 inHg

7:00 AM

Partly cloudy

65° 💧 None 💨 2 mph H 72%30.03 inHg

10:00 AM

Overcast

81° 💧 None 💨 3 mph H 37%30.06 inHg

1:00 PM

Mostly cloudy

96° 💧 None 💨 3 mph H 15%30.00 inHg

4:00 PM

Mostly cloudy

101° 💧 None 💨 8 mph H 14%29.94 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 10 mph H 18%29.91 inHg

10:00 PM

Clear night

83° 💧 None 💨 6 mph H 27%29.94 inHg

Tomorrow

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 31%29.94 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 36%29.94 inHg

7:00 AM

Sunny

70° 💧 None 💨 8 mph H 51%29.94 inHg

10:00 AM

Sunny

79° 💧 None 💨 12 mph H 40%29.97 inHg

1:00 PM

Sunny

91° 💧 None 💨 14 mph H 25%29.91 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 16 mph H 20%29.85 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 14 mph H 41%29.85 inHg

10:00 PM

Clear night

68° 💧 None 💨 13 mph H 65%29.88 inHg

Today

1:00 AM

Overcast night

70° 💧 None 💨 4 mph H 57%30.00 inHg

2:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 61%30.00 inHg

3:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 64%30.00 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 67%30.00 inHg

5:00 AM

Overcast night

66° 💧 None 💨 3 mph H 70%30.00 inHg

6:00 AM

Overcast night

65° 💧 None 💨 3 mph H 72%30.03 inHg

7:00 AM

Partly cloudy

65° 💧 None 💨 2 mph H 72%30.03 inHg

8:00 AM

Overcast

70° 💧 None 💨 2 mph H 60%30.06 inHg

9:00 AM

Overcast

75° 💧 None 💨 2 mph H 49%30.06 inHg

10:00 AM

Overcast

81° 💧 None 💨 3 mph H 37%30.06 inHg

11:00 AM

Mostly cloudy

88° 💧 None 💨 2 mph H 24%30.06 inHg

12:00 PM

Overcast

93° 💧 None 💨 2 mph H 17%30.03 inHg

1:00 PM

Mostly cloudy

96° 💧 None 💨 3 mph H 15%30.00 inHg

2:00 PM

Partly cloudy

98° 💧 None 💨 4 mph H 14%30.00 inHg

3:00 PM

Mostly cloudy

100° 💧 None 💨 6 mph H 14%29.97 inHg

4:00 PM

Mostly cloudy

101° 💧 None 💨 8 mph H 14%29.94 inHg

5:00 PM

Mostly cloudy

100° 💧 None 💨 10 mph H 13%29.91 inHg

6:00 PM

Mostly cloudy

97° 💧 None 💨 12 mph H 15%29.91 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 10 mph H 18%29.91 inHg

8:00 PM

Partly cloudy night

88° 💧 None 💨 6 mph H 22%29.91 inHg

9:00 PM

Clear night

86° 💧 None 💨 6 mph H 24%29.94 inHg

10:00 PM

Clear night

83° 💧 None 💨 6 mph H 27%29.94 inHg

11:00 PM

Mostly clear night

80° 💧 None 💨 5 mph H 30%29.94 inHg

Tomorrow

12:00 AM

Clear night

79° 💧 None 💨 7 mph H 31%29.94 inHg

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 31%29.94 inHg

2:00 AM

Clear night

77° 💧 None 💨 7 mph H 32%29.94 inHg

3:00 AM

Clear night

76° 💧 None 💨 8 mph H 34%29.94 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 36%29.94 inHg

5:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 41%29.94 inHg

6:00 AM

Clear night

71° 💧 None 💨 8 mph H 46%29.94 inHg

7:00 AM

Sunny

70° 💧 None 💨 8 mph H 51%29.94 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 8 mph H 50%29.97 inHg

9:00 AM

Partly cloudy

75° 💧 None 💨 10 mph H 46%29.97 inHg

10:00 AM

Sunny

79° 💧 None 💨 12 mph H 40%29.97 inHg

11:00 AM

Sunny

83° 💧 None 💨 13 mph H 34%29.97 inHg

12:00 PM

Sunny

87° 💧 None 💨 13 mph H 30%29.94 inHg

1:00 PM

Sunny

91° 💧 None 💨 14 mph H 25%29.91 inHg

2:00 PM

Sunny

93° 💧 None 💨 14 mph H 22%29.88 inHg

3:00 PM

Partly cloudy

95° 💧 None 💨 15 mph H 20%29.85 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 16 mph H 20%29.85 inHg

5:00 PM

Overcast

90° 💧 None 💨 16 mph H 23%29.85 inHg

6:00 PM

Overcast

85° 💧 None 💨 16 mph H 30%29.85 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 14 mph H 41%29.85 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 14 mph H 52%29.85 inHg

9:00 PM

Clear night

71° 💧 None 💨 14 mph H 59%29.85 inHg

10:00 PM

Clear night

68° 💧 None 💨 13 mph H 65%29.88 inHg

11:00 PM

Clear night

66° 💧 None 💨 14 mph H 70%29.88 inHg

Friday

12:00 AM

Clear night

64° 💧 None 💨 14 mph H 75%29.88 inHg

1:00 AM

Clear night

62° 💧 None 💨 14 mph H 79%29.88 inHg

2:00 AM

Clear night

62° 💧 None 💨 14 mph H 81%29.88 inHg

3:00 AM

Clear night

61° 💧 None 💨 14 mph H 81%29.88 inHg

4:00 AM

Mostly clear night

61° 💧 None 💨 14 mph H 84%29.88 inHg

5:00 AM

Mostly clear night

60° 💧 None 💨 14 mph H 86%29.88 inHg

6:00 AM

Mostly clear night

60° 💧 None 💨 13 mph H 87%29.88 inHg

7:00 AM

Mostly sunny

60° 💧 None 💨 13 mph H 90%29.88 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 14 mph H 84%29.91 inHg

9:00 AM

Mostly sunny

64° 💧 None 💨 13 mph H 75%29.91 inHg

10:00 AM

Mostly sunny

68° 💧 None 💨 12 mph H 65%29.91 inHg

11:00 AM

Sunny

72° 💧 None 💨 12 mph H 54%29.91 inHg

12:00 PM

Sunny

76° 💧 None 💨 12 mph H 47%29.88 inHg

1:00 PM

Sunny

79° 💧 None 💨 12 mph H 43%29.88 inHg

2:00 PM

Sunny

80° 💧 None 💨 13 mph H 41%29.85 inHg

3:00 PM

Sunny

81° 💧 None 💨 13 mph H 41%29.85 inHg

4:00 PM

Sunny

80° 💧 None 💨 14 mph H 42%29.83 inHg

5:00 PM

Sunny

79° 💧 None 💨 15 mph H 44%29.80 inHg

8:00 PM

Clear night

70° 💧 None 💨 12 mph H 51%29.80 inHg

11:00 PM

Clear night

64° 💧 None 💨 12 mph H 61%29.80 inHg

Saturday

2:00 AM

Mostly clear night

60° 💧 None 💨 12 mph H 69%29.83 inHg

5:00 AM

Clear night

58° 💧 None 💨 12 mph H 81%29.83 inHg

8:00 AM

Sunny

59° 💧 None 💨 13 mph H 73%29.85 inHg

11:00 AM

Sunny

71° 💧 None 💨 16 mph H 41%29.88 inHg

2:00 PM

Sunny

77° 💧 None 💨 15 mph H 37%29.88 inHg

5:00 PM

Sunny

73° 💧 None 💨 16 mph H 46%29.85 inHg

8:00 PM

Clear night

64° 💧 None 💨 12 mph H 67%29.85 inHg

11:00 PM

Clear night

62° 💧 None 💨 7 mph H 61%29.88 inHg

Sunday

2:00 AM

Clear night

58° 💧 None 💨 4 mph H 70%29.91 inHg

5:00 AM

Clear night

54° 💧 None 💨 4 mph H 83%29.91 inHg

8:00 AM

Sunny

58° 💧 None 💨 3 mph H 75%29.94 inHg

11:00 AM

Sunny

76° 💧 None 💨 5 mph H 24%29.94 inHg

2:00 PM

Sunny

85° 💧 None 💨 4 mph H 15%29.88 inHg

5:00 PM

Sunny

83° 💧 None 💨 9 mph H 19%29.83 inHg

8:00 PM

Clear night

71° 💧 None 💨 8 mph H 38%29.83 inHg

11:00 PM

Clear night

65° 💧 None 💨 6 mph H 53%29.83 inHg

Monday

2:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 69%29.83 inHg

5:00 AM

Clear night

57° 💧 None 💨 6 mph H 87%29.83 inHg

8:00 AM

Sunny

59° 💧 None 💨 6 mph H 84%29.85 inHg

11:00 AM

Sunny

77° 💧 None 💨 4 mph H 40%29.85 inHg

5:00 PM

Sunny

76° 💧 None 💨 6 mph H 41%29.85 inHg

11:00 PM

Clear night

85° 💧 None 💨 10 mph H 26%29.77 inHg

Tuesday

5:00 AM

Clear night

62° 💧 None 💨 9 mph H 74%29.83 inHg

11:00 AM

Overcast

56° 💧 None 💨 10 mph H 96%29.85 inHg

5:00 PM

Mostly sunny

66° 💧 None 💨 11 mph H 62%29.91 inHg

11:00 PM

Clear night

74° 💧 None 💨 13 mph H 47%29.88 inHg

Wednesday

5:00 AM

Partly cloudy night

58° 💧 None 💨 11 mph H 87%29.94 inHg

11:00 AM

Overcast

56° 💧 None 💨 10 mph H 92%29.94 inHg

5:00 PM

Mostly sunny

65° 💧 None 💨 7 mph H 64%30.00 inHg

11:00 PM

Clear night

72° 💧 None 💨 11 mph H 50%29.91 inHg

Thursday

5:00 AM

Clear night

57° 💧 None 💨 9 mph H 89%29.94 inHg

11:00 AM

Overcast

55° 💧 None 💨 10 mph H 97%29.91 inHg

5:00 PM

Sunny

66° 💧 None 💨 5 mph H 53%29.97 inHg

11:00 PM

Clear night

78° 💧 None 💨 8 mph H 31%29.88 inHg

Friday

5:00 AM

Clear night

61° 💧 None 💨 7 mph H 69%29.94 inHg

11:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 93%29.94 inHg

5:00 PM

Sunny

80° 💧 None 💨 5 mph H 25%29.97 inHg

11:00 PM

Clear night

90° 💧 None 💨 6 mph H 11%29.83 inHg

Saturday

5:00 AM

Clear night

68° 💧 None 💨 6 mph H 39%29.85 inHg

11:00 AM

Sunny

58° 💧 None 💨 6 mph H 69%29.85 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 37%29.91 inHg

11:00 PM

Clear night

85° 💧 None 💨 11 mph H 25%29.83 inHg

Sunday

5:00 AM

Clear night

62° 💧 None 💨 9 mph H 73%29.88 inHg

11:00 AM

Mostly cloudy

55° 💧 None 💨 10 mph H 98%29.91 inHg

5:00 PM

Overcast

68° 💧 None 💨 10 mph H 56%29.97 inHg

11:00 PM

Overcast night

73° 💧 None 💨 13 mph H 44%29.94 inHg

Monday

5:00 AM

Overcast night

59° 💧 None 💨 12 mph H 84%30.00 inHg

11:00 AM

Overcast

57° 💧 None 💨 10 mph H 90%29.97 inHg

5:00 PM

Sunny

69° 💧 None 💨 9 mph H 51%30.06 inHg

11:00 PM

Clear night

76° 💧 None 💨 12 mph H 37%29.97 inHg

Tuesday

5:00 AM

Clear night

59° 💧 None 💨 9 mph H 83%29.97 inHg

11:00 AM

Partly cloudy

54° 💧 None 💨 6 mph H 99%29.97 inHg

5:00 PM

Sunny

72° 💧 None 💨 6 mph H 51%29.97 inHg

11:00 PM

Clear night

86° 💧 None 💨 11 mph H 28%29.85 inHg

Wednesday

5:00 AM

Clear night

66° 💧 None 💨 7 mph H 59%29.85 inHg

11:00 AM

Sunny

57° 💧 None 💨 6 mph H 90%29.83 inHg

In Suisun City and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with temperatures remaining hot, ranging from 86 to 94 degrees Fahrenheit. Winds will be light, coming from the northwest at around 9 mph, with gusts up to 17 mph. No rain is anticipated during the evening hours, so conditions will remain dry. Humidity levels may be moderate, contributing to the warm feel of the night. It will be a relatively mild evening in terms of wind, but the heat will persist throughout the night. Those planning outdoor activities should be prepared for the warm temperatures, and it’s advisable to stay hydrated. The weather will stay stable for the next few hours, with no significant changes expected.

15-Day Weather Outlook for Suisun City

TomorrowTomorrow

Mostly cloudy 100°/70° 💧 None 💨 16 mph

Friday, Sep 11Fri Sep 11

Overcast 90°/60° 💧 None 💨 16 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 79°/58° 💧 None 💨 16 mph

Sunday, Sep 13Sun Sep 13

Sunny 85°/54° 💧 None 💨 16 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 83°/57° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Overcast 85°/56° 💧 None 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Overcast 74°/56° 💧 0.001 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 72°/55° 💧 0.001 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 78°/54° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Sunny 90°/58° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 85°/55° 💧 None 💨 11 mph

Monday, Sep 21Mon Sep 21

Overcast 73°/57° 💧 0.001 in 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 76°/54° 💧 None 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Sunny 86°/57° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Suisun City

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Suisun City

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 AM

PM2.5 Fine particles Fair 10,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 16,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Suisun City

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 8,0Very high 🙂Fair

Tomorrow UV 7,9High 🙂Fair

Friday UV 7,8High 😐Moderate

Saturday UV 7,7High 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 7,0High —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,5 10:00 AMUV 3,3 11:00 AMUV 5,4 12:00 PMUV 7,2 1:00 PMUV 8,0 2:00 PMUV 7,7 3:00 PMUV 5,9 4:00 PMUV 3,9 5:00 PMUV 1,9 6:00 PMUV 0,6

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Suisun City

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SUISUN CITY, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

42/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 81% Real hourly forecast for the best viewing hour.

☾ Moonlight 6% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 77° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Suisun City were last refreshed today at 12:37 AM. The current forecast period extends through 10/09/2026 at 10:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.