🇺🇸 Clima em Costa Mesa
Clima Atual em Costa Mesa
Extreme Heat Warning issued September 10 at 4:00AM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
20°C
Sensação térmica 20°C. Névoa.
🌬️ 16 km/h SSE
💧 97% Umidade
🧭 1010 hPa
👁️ 10.0 km Visibilidade
☀️ Índice UV: 0.0
🌡️ Ponto de orvalho: 20°C
🌅
Nascer do sol: 06:32 AM
🌇
Pôr do Sol: 07:04 PM
Sobreposições do Mapa:
Previsão Horária para Costa Mesa
03:00
20°
19%
04:00
20°
21%
05:00
20°
21%
06:00
20°
24%
07:00
20°
23%
08:00
22°
18%
09:00
23°
11%
10:00
26°
4%
11:00
27°
3%
12:00
27°
3%
13:00
27°
3%
14:00
27°
3%
15:00
27°
3%
16:00
26°
3%
17:00
26°
4%
18:00
25°
4%
19:00
25°
4%
20:00
24°
5%
21:00
24°
6%
22:00
24°
6%
23:00
23°
7%
00:00
23°
7%
01:00
23°
8%
02:00
23°
8%
Previsão de 14 Dias para Costa Mesa
2026-09-11
Ensolarado
27° /
20°
2026-09-12
Ensolarado
25° /
22°
2026-09-13
Ensolarado
25° /
21°
2026-09-14
Ensolarado
25° /
21°
2026-09-15
Ensolarado
24° /
20°
2026-09-16
Ensolarado
25° /
20°
2026-09-17
Ensolarado
27° /
21°
Previsões Adicionais para Costa Mesa
Qualidade do ar
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 131.0 μg/m³
O₃ (Ozone) 77.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.7 μg/m³
SO₂ (Sulphur Dioxide) 0.8 μg/m³
PM2.5 (Fine particles) 13.1 μg/m³
PM10 (Coarse particles) 18.9 μg/m³
Histórico do Tempo
Previsões do Tempo para Outras Cidades em Estados Unidos
Clima em Costa Mesa — FAQ
Respostas atualizadas a cada solicitação com base nas condições atuais em Costa Mesa.
What is the weather like right now in Costa Mesa?
Right now in Costa Mesa, Estados Unidos the temperature is 20.0°C (feels like 20.4°C), with névoa. Relative humidity is 97% and wind is 15.8 km/h.
What is today's high and low temperature in Costa Mesa?
Today's forecast high in Costa Mesa is 27.4°C and the overnight low is 20.0°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Costa Mesa today?
The chance of precipitation in Costa Mesa today is 8%. 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 Costa Mesa differ from nearby cities?
Even short distances can change temperatures noticeably. Costa Mesa'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.