New Castle Weather Today — Colorado, United States
Current temperature, rain chance, humidity, wind and air quality in New Castle, plus an hourly and 3-day forecast. Updated through the day.
11:58
Sun, 20 Sep 2026
📍 Colorado, United States
New Castle??
18
°C
Fog
Feels 19°C · 64°F
💧 97% Humidity
💨 ← 6.8 km/h WNW
👁 0 km Visibility
🌧 0.02 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
1.9
Low
🔵 Pressure
1014
hPa · 29.95 in
💨 Wind
6.8
km/h · Gust 14.1 km/h
← WNW
💧 Humidity
97%
Dew point 17.3°C
👁 Visibility
0
km · 0 miles
🌡 Heat Index
17.7°
Wind chill 17.7°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:07 AM
🌇
Sunset
07:22 PM
📅 3-Day Forecast
Sunday
20 Sep 2026
Fog
21°
/
15°
💧92%
🌧1.65mm
💨13
☀️UV 2.3
Monday
21 Sep 2026
Light rain shower
15°
/
11°
💧88%
🌧8.42mm
💨22
☀️UV 0.8
Tuesday
22 Sep 2026
Patchy rain nearby
12°
/
10°
💧94%
🌧3.44mm
💨23
☀️UV 0.6
🏙 More Cities in Colorado
🌤
Acres Green
View weather →
🌤
Adams County
View weather →
🌤
Air Force Academy
View weather →
🌤
Akron
View weather →
🌤
Alamosa
View weather →
🌤
Alamosa County
View weather →
🌤
Alamosa East
View weather →
🌤
Applewood
View weather →
🌤
Arapahoe
View weather →
🌤
Archuleta
View weather →
🌤
Aristocrat Ranchettes
View weather →
🌤
Arvada
View weather →