🇨🇦 Clima em St. Catharines
Clima Atual em St. Catharines
26°C
Sensação térmica 27°C. Ensolarado.
🌬️ 10 km/h ENE
💧 48% Umidade
🧭 1012 hPa
👁️ 24.0 km Visibilidade
☀️ Índice UV: 3.0
🌡️ Ponto de orvalho: 18°C
🌅
Nascer do sol: 05:46 AM
🌇
Pôr do Sol: 08:57 PM
Sobreposições do Mapa:
Previsão Horária para St. Catharines
19:00
26°
3%
20:00
24°
4%
21:00
22°
8%
22:00
20°
11%
23:00
19°
10%
00:00
19°
12%
01:00
19°
10%
02:00
19°
10%
03:00
18°
11%
04:00
18°
12%
05:00
18°
14%
06:00
17°
17%
07:00
18°
14%
08:00
21°
9%
09:00
22°
9%
10:00
22°
8%
11:00
22°
7%
12:00
23°
6%
13:00
23°
6%
14:00
23°
5%
15:00
24°
4%
16:00
24°
4%
17:00
24°
4%
18:00
24°
4%
Previsão de 14 Dias para St. Catharines
2026-07-10
Ensolarado
28° /
19°
2026-07-11
Ensolarado
24° /
17°
2026-07-12
Ensolarado
24° /
17°
2026-07-13
Ensolarado
28° /
18°
2026-07-14
Ensolarado
29° /
21°
2026-07-15
Ensolarado
29° /
22°
2026-07-16
Ensolarado
27° /
20°
Previsões Adicionais para St. Catharines
Qualidade do ar
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 129.0 μg/m³
O₃ (Ozone) 153.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.4 μg/m³
SO₂ (Sulphur Dioxide) 2.5 μg/m³
PM2.5 (Fine particles) 19.1 μg/m³
PM10 (Coarse particles) 19.3 μg/m³
Histórico do Tempo
Previsões do Tempo para Outras Cidades em Canadá
Clima em St. Catharines — FAQ
Respostas atualizadas a cada solicitação com base nas condições atuais em St. Catharines.
What is the weather like right now in St. Catharines?
Right now in St. Catharines, Canadá the temperature is 26.1°C (feels like 27.1°C), with ensolarado. Relative humidity is 48% and wind is 9.7 km/h.
What is today's high and low temperature in St. Catharines?
Today's forecast high in St. Catharines is 28.1°C and the overnight low is 18.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in St. Catharines today?
The chance of precipitation in St. Catharines today is 12%. 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 St. Catharines differ from nearby cities?
Even short distances can change temperatures noticeably. St. Catharines'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.

