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New Castle, CO

75°F
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New Castle

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New Castle, CO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

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10 AM

80°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™78°

WindSW 6 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts7 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling33100 ft

11 AM

84°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™82°

Heat Index82°

WindW 8 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts9 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

89°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™85°

Heat Index85°

WindW 9 mph

Air QualityFair

Max UV Index10.6 (Extreme)

Wind Gusts10 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

90°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 25%
Chevron down
Partly sunny

RealFeel Shade™86°

Heat Index86°

WindW 10 mph

Air QualityPoor

Max UV Index11.8 (Extreme)

Wind Gusts13 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™81°

Heat Index85°

WindNW 13 mph

Air QualityPoor

Max UV Index10.0 (Very High)

Wind Gusts18 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

86°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny

RealFeel Shade™82°

Heat Index83°

WindNW 14 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts22 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

87°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 35%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index84°

WindNW 13 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts21 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

87°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index84°

WindNW 12 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts20 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny

RealFeel Shade™82°

Heat Index83°

WindW 10 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts18 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 13%
Chevron down
Partly sunny

RealFeel Shade™80°

Heat Index81°

WindENE 9 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™83°

Heat Index83°

WindENE 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts9 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

Heat Index80°

WindE 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindENE 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for New Castle

AccuWeather's hourly forecast for New Castle provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 80° with a RealFeel® of 85°, partly sunny with a 20% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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