Newcastle Weather Today — California, United States
Current temperature, rain chance, humidity, wind and air quality in Newcastle, plus an hourly and 3-day forecast. Updated through the day.
01:20
Sat, 19 Sep 2026
📍 California, United States
Newcastle??
14
°C
Partly Cloudy
Feels 13°C · 57°F
💧 80% Humidity
💨 ↓ 5 km/h S
👁 10 km Visibility
🌧 0 mm Precip
☁ 51% Cloud
☀️ UV Low
🌿 AQI Fair
☀️ UV Index
0
Low
🔵 Pressure
1021
hPa · 30.14 in
💨 Wind
5
km/h · Gust 8.4 km/h
↓ S
💧 Humidity
80%
Dew point 10.5°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
13.8°
Wind chill 14°C
🌿 Air Quality
Fair
US EPA Index: 2
🌅
Sunrise
06:51 AM
🌇
Sunset
07:13 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Overcast
24°
/
12°
💧63%
🌧0mm
💨7
☀️UV 4.6
Sunday
20 Sep 2026
Sunny
25°
/
11°
💧63%
🌧0mm
💨11
☀️UV 4.7
Monday
21 Sep 2026
Sunny
23°
/
11°
💧62%
🌧0mm
💨12
☀️UV 4.5
🏙 More Cities in California
🌤
Acalanes Ridge
View weather →
🌤
Acton
View weather →
🌤
Adelanto
View weather →
🌤
Agoura
View weather →
🌤
Agoura Hills
View weather →
🌤
Agua Dulce
View weather →
🌤
Aguanga
View weather →
🌤
Ahwahnee
View weather →
🌤
Alameda
View weather →
🌤
Alameda County
View weather →
🌤
Alamo
View weather →
🌤
Albany
View weather →