🇺🇸 コスタメーサの天気
時間ごとの予報（ コスタメーサ
23:00
20°
21%
00:00
20°
31%
01:00
20°
33%
02:00
20°
33%
03:00
19°
33%
04:00
19°
35%
05:00
19°
37%
06:00
19°
38%
07:00
19°
37%
08:00
19°
33%
09:00
21°
21%
10:00
25°
3%
11:00
26°
3%
12:00
27°
3%
13:00
27°
2%
14:00
28°
2%
15:00
28°
2%
16:00
28°
2%
17:00
27°
3%
18:00
27°
3%
19:00
26°
4%
20:00
25°
6%
21:00
24°
12%
22:00
24°
8%
14日間予報（ コスタメーサ
2026-07-30
曇天
30° /
20°
2026-07-31
晴れ
28° /
19°
2026-08-01
晴れ
28° /
23°
2026-08-02
晴れ
27° /
23°
2026-08-03
晴れ
26° /
22°
2026-08-04
晴れ
26° /
22°
2026-08-05
晴れ
26° /
22°
追加の予報 コスタメーサ
空気質
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 98.0 μg/m³
O₃ (Ozone) 61.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.9 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 9.8 μg/m³
PM10 (Coarse particles) 16.5 μg/m³
過去の天気
他の都市の天気予報 アメリカ合衆国
コスタメーサの天気 — FAQ
回答は、コスタメーサの現在の状況に基づいてリクエストごとに更新されます。
What is the weather like right now in コスタメーサ?
Right now in コスタメーサ, アメリカ合衆国 the temperature is 20.6°C (feels like 23.2°C), with 曇り. Relative humidity is 93% and wind is 4.3 km/h.
What is today's high and low temperature in コスタメーサ?
Today's forecast high in コスタメーサ is 29.9°C and the overnight low is 19.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in コスタメーサ today?
The chance of precipitation in コスタメーサ today is 15%. 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 コスタメーサ differ from nearby cities?
Even short distances can change temperatures noticeably. コスタメーサ'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.