🇺🇸 Weather in Chula Vista
Map Overlays:
Hourly Forecast for Chula Vista
23:00
20°
17%
00:00
20°
19%
01:00
19°
19%
02:00
19°
24%
03:00
19°
27%
04:00
19°
27%
05:00
18°
21%
06:00
18°
21%
07:00
18°
24%
08:00
20°
22%
09:00
21°
12%
10:00
24°
4%
11:00
26°
3%
12:00
26°
2%
13:00
27°
2%
14:00
27°
2%
15:00
27°
2%
16:00
26°
2%
17:00
26°
2%
18:00
26°
3%
19:00
25°
3%
20:00
24°
4%
21:00
23°
5%
22:00
23°
5%
14-Day Forecast for Chula Vista
2026-07-28
Overcast
24° /
20°
2026-07-29
Sunny
27° /
18°
2026-07-30
Sunny
28° /
21°
2026-07-31
Sunny
29° /
22°
2026-08-01
Sunny
30° /
24°
2026-08-02
Sunny
27° /
23°
2026-08-03
Sunny
28° /
22°
Additional Forecasts for Chula Vista
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 129.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 21.3 μg/m³
SO₂ (Sulphur Dioxide) 1.3 μg/m³
PM2.5 (Fine particles) 12.5 μg/m³
PM10 (Coarse particles) 17.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Chula Vista — FAQ
Answers refreshed each request based on current conditions in Chula Vista.
What is the weather like right now in Chula Vista?
Right now in Chula Vista, United States the temperature is 20.3°C (feels like 14.9°C), with cloudy. Relative humidity is 87% and wind is 7.2 km/h.
What is today's high and low temperature in Chula Vista?
Today's forecast high in Chula Vista is 24.5°C and the overnight low is 19.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Chula Vista today?
The chance of precipitation in Chula Vista today is 21%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Chula Vista differ from nearby cities?
Even short distances can change temperatures noticeably. Chula Vista's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.