Vallejo Weather Conditions

Current Temperature Level

cloudy
20°C
26°C13°C
Cool

Cloudy

Feels Like 20°C

Chances of Rain15%

Good

50AQI

Humidity

71%

Nowcloudy20°15%1 PMpartly cloudy22°6%2 PMovercast24°14%3 PMovercast24°13%4 PMsunny26°2%5 PMsunny25°3%6 PMsunny24°4%7 PMovercast20°14%8 PMovercast17°20%9 PMclear16°11%10 PMovercast15°28%11 PMovercast15°29%12 AMovercast16°24%1 AMovercast15°25%2 AMovercast15°25%3 AMovercast15°25%4 AMpartly cloudy15°15%5 AMpartly cloudy14°18%6 AMovercast14°29%7 AMcloudy14°25%8 AMpartly cloudy15°16%9 AMovercast16°21%10 AMovercast18°18%11 AMovercast19°15%
.

Cloud cover is likely with limited sunshine.

Last Updated: 2026-08-17 12:00 (Local Time)

Vallejo Weather Parameters

Get AQI App

Vallejo 10-Days Weather Forecast

See Monthly
Today17 Aug.


Overcast

Overcast

Fully overcast skies with a high of 18 °C. Humidity will be 80%, and winds at 22.3 km/h.


temperature icon

26°C  /  13°C

temperature iconHumi.80 %
temperature iconPrec.0 mm


Sunrise icon

Sunrise

06:25 AM

13hrs 35min

Sunset icon

Sunset

08:00 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

OvercastOvercast

15 °C

92 %

0

22.3 kmph /  SSW

Feels Like IconFeels 11 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

1 AM

OvercastOvercast

14 °C

94 %

0

22.3 kmph /  SSW

Feels Like IconFeels 11 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

2 AM

MistMist

14 °C

95 %

0

7.2 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

3 AM

MistMist

14 °C

96 %

0

10.1 kmph /  SW

Feels Like IconFeels 13 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

4 AM

FogFog

13 °C

97 %

0

8.6 kmph /  SW

Feels Like IconFeels 13 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

5 AM

MistMist

14 °C

94 %

0

11.2 kmph /  SW

Feels Like IconFeels 12 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

6 AM

OvercastOvercast

14 °C

93 %

0

6.8 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

7 AM

OvercastOvercast

15 °C

93 %

0.1

5.4 kmph /  SW

Feels Like IconFeels 15 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

8 AM

OvercastOvercast

15 °C

92 %

0.5

9.4 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

9 AM

OvercastOvercast

16 °C

90 %

1.8

10.4 kmph /  SW

Feels Like IconFeels 15 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

10 AM

OvercastOvercast

17 °C

84 %

3.8

11.5 kmph /  SW

Feels Like IconFeels 16 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

11 AM

OvercastOvercast

19 °C

78 %

5.9

13.3 kmph /  SSW

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

12 PM

CloudyCloudy

20 °C

71 %

7.7

10.1 kmph /  SW

Feels Like IconFeels 20 °C

Temperature IconCover 81 %

Visibility IconVisibility 10 km

1 PM

Partly CloudyPartly Cloudy

22 °C

63 %

8.5

13.3 kmph /  SW

Feels Like IconFeels 21 °C

Temperature IconCover 34 %

Visibility IconVisibility 10 km

2 PM

OvercastOvercast

24 °C

57 %

8.8

14 kmph /  SW

Feels Like IconFeels 22 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

3 PM

OvercastOvercast

24 °C

55 %

7.1

17.6 kmph /  SW

Feels Like IconFeels 22 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

26 °C

54 %

4.9

14.4 kmph /  SSW

Feels Like IconFeels 26 °C

Temperature IconCover 1 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

25 °C

58 %

2.6

18.7 kmph /  SSW

Feels Like IconFeels 24 °C

Temperature IconCover 1 %

Visibility IconVisibility 10 km

6 PM

SunnySunny

24 °C

62 %

1

18 kmph /  SSW

Feels Like IconFeels 22 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

7 PM

OvercastOvercast

20 °C

64 %

0.2

14.4 kmph /  SSW

Feels Like IconFeels 19 °C

Temperature IconCover 91 %

Visibility IconVisibility 10 km

8 PM

OvercastOvercast

17 °C

75 %

0

14 kmph /  SSW

Feels Like IconFeels 15 °C

Temperature IconCover 96 %

Visibility IconVisibility 10 km

9 PM

ClearClear

16 °C

83 %

0

11.2 kmph /  SSW

Feels Like IconFeels 14 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

10 PM

OvercastOvercast

15 °C

87 %

0

10.4 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

11 PM

OvercastOvercast

15 °C

89 %

0

12.2 kmph /  SW

Feels Like IconFeels 13 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

Temp20 °C


ConditionCloudy


Humidity71 %

Feels20 °C


Cover81 %


Visibility10 km

Wind Speed & Dir.10.1 kmph /  SW


UV7.7

Vallejo 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny33°13°
2
Sunny34°14°
3
Sunny31°13°
4
Sunny27°14°
5
Sunny27°13°
6
Sunny28°13°
7
Sunny28°14°
8
Sunny27°13°
9
Sunny30°14°
10
Sunny25°13°
11
Sunny25°13°
12
Sunny24°14°
13
Overcast21°14°
14
Overcast22°15°
15
Sunny23°14°
16
Overcast25°13°
17Today
Patchy rain nearby20°11°
18
Patchy rain nearby11°10°
19
Sunny12°10°
20
Patchy rain nearby13°12°
21
Overcast14°12°
22
Patchy rain nearby12°11°
23
Patchy rain nearby11°11°
24
Patchy rain nearby12°11°
25
Sunny27°14°
26
Sunny27°14°
27
Sunny28°14°
28
Rain Possible28°15°
29
Rain Possible27°14°
30
Rain Possible28°14°
31
Sunny28°14°

AugustWeather Overview

No. of days:

Sunny

Sunny

18

Cloudy

Cloudy

0

Rainy

Rainy

9

Snowy

Snowy

0


The monthly weather averages in Vallejo consist of 18 sunny days, 0 cloudy days, 9 rainy days, and 0 snowy days.

United States's Hottest Cities - August 2026

Hottest
Coldest

Last Updated: 17 Aug 2026, 07:15 PM

City Weather Rankings

FAQs About Vallejo Weather Conditions


1. What is the current temperature in Vallejo today - 17 August 2026?

The current temperature in Vallejo is 20°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 26°C and a low of 13°C, giving a 13 degree swing through the day as of 12:00 PM 17 August 2026.

2. What are the current weather parameters in Vallejo today?

Here is a complete overview of Vallejo's current weather conditions as of 12:00 PM 17 August 2026: Condition : Cloudy Temperature : 20°C Cool (Feels like 20°C) Humidity : 71% Wind Speed : 10.1 km/h from SW (222 degrees), Gust 3.8 m/s UV Index : 7.7 (Very High Air Pressure : 1017 mb Cloud Cover : 81% Visibility : 10 km Precipitation : 0 mm (19% chance of rain)

3. What is the 10-day weather forecast for Vallejo from 12:00 PM 17 August 2026?

From 12:00 PM 17 August 2026, Vallejo's 10-day forecast shows this trend: Today (Aug. 17) : Temp. 18°C, Hum. 80% and Overcast condition. Tuesday (Aug. 18) : Temp. 18°C, Hum. 68% and Overcast condition. Wednesday (Aug. 19) : Temp. 20°C, Hum. 63% and Overcast condition. Thursday (Aug. 20) : Temp. 20°C, Hum. 62% and Overcast condition. Friday (Aug. 21) : Temp. 19°C, Hum. 67% and Sunny condition. Saturday (Aug. 22) : Temp. 19°C, Hum. 63% and Sunny condition. Sunday (Aug. 23) : Temp. 19°C, Hum. 64% and Sunny condition. Monday (Aug. 24) : Temp. 18°C, Hum. 67% and Sunny condition. Tuesday (Aug. 25) : Temp. 19°C, Hum. 65% and Sunny condition. Wednesday (Aug. 26) : Temp. 19°C, Hum. 62% and Sunny condition.

4. Will it rain in Vallejo today?

As of 12:00 PM 17 August 2026, there is a 15% chance of rainfall in Vallejo later today around 2026-08-17 12:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Vallejo in August 2026?

August 2026 in Vallejo is forecast to have 18 sunny days, 9 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 10°C to highs of 34°C.

6. How does the weather in Vallejo affect air quality?

Weather directly impacts air quality in Vallejo. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.