🇸🇭 Clima em Jamestown
Clima Atual em Jamestown
18°C
Sensação térmica 16°C. Céu limpo.
🌬️ 19 km/h SE
💧 71% Umidade
🧭 1021 hPa
👁️ 10.0 km Visibilidade
☀️ Índice UV: 0.0
🌡️ Ponto de orvalho: 13°C
🌅
Nascer do sol: 06:45 AM
🌇
Pôr do Sol: 06:12 PM
Sobreposições do Mapa:
Previsão Horária para Jamestown
23:00
18°
8%
00:00
18°
8%
01:00
18°
9%
02:00
18°
8%
03:00
18°
9%
04:00
18°
10%
05:00
18°
9%
06:00
18°
16%
07:00
18°
14%
08:00
18°
14%
09:00
18°
8%
10:00
18°
7%
11:00
18°
7%
12:00
18°
7%
13:00
18°
7%
14:00
18°
7%
15:00
18°
7%
16:00
18°
8%
17:00
18°
9%
18:00
18°
10%
19:00
18°
11%
20:00
18°
12%
21:00
18°
11%
22:00
18°
10%
Previsão de 14 Dias para Jamestown
2026-08-04
Chuva irregular nas proximidades
19° /
18°
2026-08-05
Parcialmente nublado
18° /
18°
2026-08-06
Chuva irregular nas proximidades
19° /
18°
2026-08-07
Chuva irregular nas proximidades
19° /
18°
2026-08-08
Chuva irregular nas proximidades
19° /
18°
2026-08-09
Chuva irregular nas proximidades
19° /
18°
2026-08-10
Chuva irregular nas proximidades
19° /
18°
Previsões Adicionais para Jamestown
Qualidade do ar
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 71.0 μg/m³
O₃ (Ozone) 62.0 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 11.2 μg/m³
PM10 (Coarse particles) 19.0 μg/m³
Histórico do Tempo
Previsões do Tempo para Outras Cidades em Santa Helena, Ascensão e Tristão da Cunha
Clima em Jamestown — FAQ
Respostas atualizadas a cada solicitação com base nas condições atuais em Jamestown.
What is the weather like right now in Jamestown?
Right now in Jamestown, Santa Helena, Ascensão e Tristão da Cunha the temperature is 18.4°C (feels like 15.7°C), with céu limpo. Relative humidity is 71% and wind is 18.7 km/h.
What is today's high and low temperature in Jamestown?
Today's forecast high in Jamestown is 19.2°C and the overnight low is 18.3°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Jamestown today?
The chance of precipitation in Jamestown today is 41%. 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 Jamestown differ from nearby cities?
Even short distances can change temperatures noticeably. Jamestown'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.