What is the weather in New Castle right now?

Current weather in New Castle is light rain.

Where can I find the hourly weather forecast for New Castle?

This page shows hourly weather forecast for New Castle, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for New Castle updated regularly?

Weather data for New Castle is updated regularly with the latest available observations and forecasts.

Now · 3:32 AM

New Castle Weather & Hourly Forecast

United States · Colorado · 81647

50°F

Light rain

Feels like: 47°F

💧 Humidity 85% 🌡 Pressure 30.12 inHg 💨 Wind 4 mph 👁 Visibility 8.6 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:57 AM 🌇 Sunset 7:07 PM

Hourly Forecast for New Castle

Today

4:00 AM

Light rain

50° 💧 0.012 in 💨 4 mph H 85%30.12 inHg

7:00 AM

Overcast

48° 💧 None 💨 4 mph H 83%30.12 inHg

10:00 AM

Overcast

60° 💧 0.001 in 💨 1 mph H 56%30.12 inHg

1:00 PM

Overcast

64° 💧 0.005 in 💨 6 mph H 46%30.09 inHg

4:00 PM

Overcast

66° 💧 0.002 in 💨 7 mph H 39%30.03 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 1 mph H 57%30.06 inHg

10:00 PM

Overcast night

51° 💧 None 💨 4 mph H 68%30.12 inHg

Tomorrow

1:00 AM

Overcast night

51° 💧 None 💨 2 mph H 65%30.15 inHg

4:00 AM

Overcast night

50° 💧 None 💨 1 mph H 65%30.15 inHg

7:00 AM

Overcast

49° 💧 None 💨 1 mph H 68%30.18 inHg

10:00 AM

Overcast

59° 💧 None 💨 2 mph H 54%30.18 inHg

1:00 PM

Mostly cloudy

68° 💧 0.001 in 💨 3 mph H 40%30.06 inHg

4:00 PM

Overcast

66° 💧 0.024 in 💨 6 mph H 37%30.00 inHg

7:00 PM

Light rain

56° 💧 0.176 in 💨 0 mph H 94%30.12 inHg

10:00 PM

Light rain

54° 💧 0.026 in 💨 1 mph H 90%30.12 inHg

Friday

1:00 AM

Mostly cloudy night

50° 💧 0.003 in 💨 2 mph H 90%30.09 inHg

Today

4:00 AM

Light rain

50° 💧 0.011 in 💨 4 mph H 85%30.12 inHg

5:00 AM

Overcast night

49° 💧 0.001 in 💨 4 mph H 87%30.09 inHg

6:00 AM

Overcast night

48° 💧 None 💨 3 mph H 86%30.09 inHg

7:00 AM

Overcast

48° 💧 None 💨 4 mph H 83%30.12 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 4 mph H 80%30.12 inHg

9:00 AM

Overcast

56° 💧 None 💨 2 mph H 73%30.12 inHg

10:00 AM

Overcast

60° 💧 None 💨 1 mph H 56%30.12 inHg

11:00 AM

Overcast

62° 💧 None 💨 3 mph H 51%30.12 inHg

12:00 PM

Overcast

64° 💧 0.001 in 💨 5 mph H 47%30.09 inHg

1:00 PM

Overcast

64° 💧 0.000 in 💨 6 mph H 46%30.09 inHg

2:00 PM

Mostly cloudy

65° 💧 0.003 in 💨 6 mph H 45%30.06 inHg

3:00 PM

Mostly cloudy

67° 💧 0.002 in 💨 6 mph H 39%30.03 inHg

4:00 PM

Overcast

66° 💧 0.001 in 💨 7 mph H 39%30.03 inHg

5:00 PM

Overcast

66° 💧 0.001 in 💨 5 mph H 38%30.03 inHg

6:00 PM

Overcast

63° 💧 None 💨 2 mph H 45%30.06 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 1 mph H 57%30.06 inHg

8:00 PM

Overcast night

54° 💧 None 💨 3 mph H 63%30.09 inHg

9:00 PM

Overcast night

52° 💧 None 💨 4 mph H 68%30.12 inHg

10:00 PM

Overcast night

51° 💧 None 💨 4 mph H 68%30.12 inHg

11:00 PM

Overcast night

51° 💧 None 💨 4 mph H 66%30.12 inHg

Tomorrow

12:00 AM

Overcast night

51° 💧 None 💨 3 mph H 66%30.15 inHg

1:00 AM

Overcast night

51° 💧 None 💨 2 mph H 65%30.15 inHg

2:00 AM

Overcast night

51° 💧 None 💨 1 mph H 65%30.15 inHg

3:00 AM

Overcast night

52° 💧 None 💨 1 mph H 63%30.15 inHg

4:00 AM

Overcast night

50° 💧 None 💨 1 mph H 65%30.15 inHg

5:00 AM

Overcast night

50° 💧 None 💨 1 mph H 66%30.15 inHg

6:00 AM

Overcast night

50° 💧 None 💨 1 mph H 67%30.15 inHg

7:00 AM

Overcast

49° 💧 None 💨 1 mph H 68%30.18 inHg

8:00 AM

Overcast

51° 💧 None 💨 1 mph H 67%30.18 inHg

9:00 AM

Overcast

56° 💧 None 💨 1 mph H 56%30.18 inHg

10:00 AM

Overcast

59° 💧 None 💨 2 mph H 54%30.18 inHg

11:00 AM

Overcast

62° 💧 None 💨 2 mph H 51%30.15 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 3 mph H 45%30.09 inHg

1:00 PM

Mostly cloudy

68° 💧 0.001 in 💨 3 mph H 40%30.06 inHg

2:00 PM

Mostly cloudy

69° 💧 None 💨 3 mph H 35%30.00 inHg

3:00 PM

Overcast

70° 💧 None 💨 4 mph H 32%29.97 inHg

4:00 PM

Overcast

66° 💧 None 💨 6 mph H 37%30.00 inHg

5:00 PM

Light rain

61° 💧 0.011 in 💨 6 mph H 63%30.06 inHg

6:00 PM

Light rain

58° 💧 0.013 in 💨 2 mph H 76%30.09 inHg

7:00 PM

Light rain

56° 💧 0.041 in 💨 0 mph H 94%30.12 inHg

8:00 PM

Light rain

55° 💧 0.067 in 💨 0 mph H 87%30.12 inHg

9:00 PM

Light rain

54° 💧 0.068 in 💨 1 mph H 90%30.12 inHg

10:00 PM

Light rain

54° 💧 0.022 in 💨 1 mph H 90%30.12 inHg

11:00 PM

Mostly cloudy night

53° 💧 0.002 in 💨 1 mph H 90%30.12 inHg

Friday

12:00 AM

Mostly cloudy night

51° 💧 0.002 in 💨 2 mph H 91%30.09 inHg

1:00 AM

Mostly cloudy night

50° 💧 0.003 in 💨 2 mph H 90%30.09 inHg

2:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 88%30.09 inHg

3:00 AM

Mostly cloudy night

49° 💧 None 💨 2 mph H 87%30.09 inHg

4:00 AM

Mostly cloudy night

49° 💧 0.004 in 💨 2 mph H 91%30.09 inHg

5:00 AM

Light rain

48° 💧 0.034 in 💨 3 mph H 94%30.09 inHg

6:00 AM

Light rain

48° 💧 0.022 in 💨 3 mph H 93%30.09 inHg

7:00 AM

Light rain

48° 💧 0.016 in 💨 3 mph H 93%30.12 inHg

8:00 AM

Light rain

50° 💧 0.021 in 💨 1 mph H 93%30.15 inHg

9:00 AM

Light rain

51° 💧 0.013 in 💨 2 mph H 95%30.15 inHg

10:00 AM

Mostly cloudy

53° 💧 0.001 in 💨 1 mph H 88%30.15 inHg

11:00 AM

Mostly cloudy

56° 💧 0.003 in 💨 1 mph H 73%30.12 inHg

12:00 PM

Mostly cloudy

59° 💧 0.002 in 💨 3 mph H 63%30.09 inHg

1:00 PM

Partly cloudy

61° 💧 0.001 in 💨 4 mph H 56%30.06 inHg

2:00 PM

Sunny

62° 💧 0.001 in 💨 4 mph H 51%30.03 inHg

3:00 PM

Mostly sunny

64° 💧 0.001 in 💨 5 mph H 47%29.97 inHg

4:00 PM

Partly cloudy

64° 💧 0.001 in 💨 6 mph H 47%29.97 inHg

5:00 PM

Mostly sunny

64° 💧 0.001 in 💨 7 mph H 46%29.94 inHg

6:00 PM

Light rain

61° 💧 0.010 in 💨 3 mph H 61%29.97 inHg

9:00 PM

Clear night

51° 💧 None 💨 3 mph H 75%30.00 inHg

Saturday

12:00 AM

Clear night

50° 💧 None 💨 1 mph H 70%30.06 inHg

3:00 AM

Clear night

48° 💧 None 💨 2 mph H 72%30.06 inHg

6:00 AM

Clear night

46° 💧 None 💨 3 mph H 77%30.12 inHg

9:00 AM

Sunny

56° 💧 None 💨 2 mph H 61%30.15 inHg

12:00 PM

Sunny

67° 💧 None 💨 4 mph H 35%30.06 inHg

3:00 PM

Sunny

71° 💧 None 💨 6 mph H 28%30.00 inHg

6:00 PM

Sunny

67° 💧 None 💨 1 mph H 38%29.97 inHg

9:00 PM

Clear night

53° 💧 None 💨 4 mph H 55%30.03 inHg

Sunday

12:00 AM

Clear night

50° 💧 None 💨 3 mph H 55%30.06 inHg

3:00 AM

Partly cloudy night

51° 💧 None 💨 4 mph H 57%30.06 inHg

6:00 AM

Mostly cloudy night

50° 💧 None 💨 4 mph H 58%30.09 inHg

9:00 AM

Partly cloudy

60° 💧 None 💨 3 mph H 45%30.12 inHg

12:00 PM

Overcast

70° 💧 None 💨 5 mph H 32%30.03 inHg

3:00 PM

Mostly cloudy

71° 💧 None 💨 5 mph H 30%29.94 inHg

6:00 PM

Overcast

66° 💧 None 💨 2 mph H 42%29.91 inHg

9:00 PM

Mostly cloudy night

56° 💧 None 💨 6 mph H 65%29.94 inHg

Monday

12:00 AM

Partly cloudy night

55° 💧 None 💨 2 mph H 62%29.94 inHg

3:00 AM

Overcast night

54° 💧 None 💨 2 mph H 74%29.94 inHg

6:00 AM

Overcast night

53° 💧 None 💨 1 mph H 80%29.94 inHg

9:00 AM

Mostly sunny

57° 💧 None 💨 2 mph H 68%29.94 inHg

12:00 PM

Light rain

61° 💧 None 💨 2 mph H 56%29.88 inHg

3:00 PM

Partly cloudy

60° 💧 None 💨 2 mph H 53%29.83 inHg

6:00 PM

Light rain

49° 💧 None 💨 4 mph H 96%29.91 inHg

Tuesday

12:00 AM

Light rain

44° 💧 None 💨 3 mph H 98%30.03 inHg

6:00 AM

Mostly cloudy night

41° 💧 None 💨 3 mph H 97%30.09 inHg

12:00 PM

Mostly sunny

54° 💧 None 💨 4 mph H 47%30.06 inHg

6:00 PM

Sunny

56° 💧 None 💨 3 mph H 36%30.00 inHg

Wednesday

12:00 AM

Clear night

41° 💧 None 💨 2 mph H 63%30.06 inHg

6:00 AM

Clear night

40° 💧 None 💨 2 mph H 59%30.09 inHg

12:00 PM

Sunny

61° 💧 None 💨 5 mph H 30%30.03 inHg

6:00 PM

Sunny

63° 💧 None 💨 5 mph H 29%29.88 inHg

Thursday

12:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 37%30.06 inHg

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 50%30.12 inHg

12:00 PM

Sunny

62° 💧 None 💨 4 mph H 25%30.12 inHg

6:00 PM

Sunny

64° 💧 None 💨 1 mph H 37%30.00 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 2 mph H 36%30.06 inHg

6:00 AM

Clear night

46° 💧 None 💨 3 mph H 42%30.06 inHg

12:00 PM

Mostly cloudy

68° 💧 None 💨 4 mph H 22%30.00 inHg

6:00 PM

Mostly cloudy

66° 💧 None 💨 1 mph H 36%29.88 inHg

Saturday

12:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 33%29.94 inHg

6:00 AM

Clear night

48° 💧 None 💨 2 mph H 45%30.03 inHg

12:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 24%30.03 inHg

6:00 PM

Sunny

65° 💧 None 💨 1 mph H 31%29.97 inHg

Sunday

12:00 AM

Mostly clear night

50° 💧 None 💨 4 mph H 36%30.09 inHg

6:00 AM

Clear night

48° 💧 None 💨 2 mph H 40%30.15 inHg

12:00 PM

Partly cloudy

68° 💧 None 💨 3 mph H 22%30.12 inHg

6:00 PM

Sunny

67° 💧 None 💨 1 mph H 34%30.03 inHg

Monday

12:00 AM

Clear night

53° 💧 None 💨 2 mph H 35%30.09 inHg

6:00 AM

Clear night

49° 💧 None 💨 2 mph H 41%30.15 inHg

12:00 PM

Sunny

70° 💧 None 💨 3 mph H 21%30.12 inHg

6:00 PM

Sunny

68° 💧 None 💨 1 mph H 32%30.03 inHg

Tuesday

12:00 AM

Clear night

52° 💧 None 💨 3 mph H 36%30.12 inHg

6:00 AM

Clear night

48° 💧 None 💨 2 mph H 42%30.18 inHg

12:00 PM

Sunny

70° 💧 None 💨 3 mph H 25%30.15 inHg

6:00 PM

Sunny

69° 💧 None 💨 1 mph H 29%30.03 inHg

Wednesday

12:00 AM

Clear night

53° 💧 None 💨 3 mph H 35%30.15 inHg

6:00 AM

Clear night

49° 💧 None 💨 3 mph H 41%30.18 inHg

12:00 PM

Sunny

71° 💧 None 💨 4 mph H 21%30.15 inHg

6:00 PM

Sunny

69° 💧 None 💨 2 mph H 26%29.97 inHg

In New Castle and, more broadly, across the state of Colorado: Clear skies will persist through the evening, with temperatures remaining cool, around 60 degrees Fahrenheit. Winds will be light, coming from the northwest at up to 2 mph, with occasional gusts reaching 6 mph. No precipitation is expected tonight, providing a calm and dry night ahead. Temperatures are likely to stay steady, making for a comfortable evening. Be sure to dress appropriately for the cooler conditions if heading outside. The light breeze will add a slight chill, but overall, conditions will be stable and clear into the early morning hours.

15-Day Weather Outlook for New Castle

TomorrowTomorrow

Overcast 70°/49° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Light rain 64°/48° 💧 0.554 in 💨 7 mph

Saturday, Sep 26Sat Sep 26

Sunny 71°/46° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Overcast 71°/50° 💧 0.008 in 💨 6 mph

Monday, Sep 28Mon Sep 28

Light rain 61°/49° 💧 0.306 in 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Light rain 56°/41° 💧 0.096 in 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Sunny 63°/40° 💧 None 💨 5 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 64°/43° 💧 None 💨 4 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 68°/46° 💧 None 💨 4 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 67°/48° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 68°/48° 💧 None 💨 4 mph

Monday, Oct 5Mon Oct 5

Sunny 70°/49° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Sunny 70°/48° 💧 None 💨 3 mph

Wednesday, Oct 7Wed Oct 7

Sunny 71°/49° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in New Castle

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for New Castle

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 4:00 AM

PM2.5 Fine particles Good 0,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 32,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,8µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in New Castle

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,5Moderate 😊Good

Tomorrow UV 5,8Moderate 😊Good

Friday UV 5,3Moderate 🙂Fair

Saturday UV 6,8High 🙂Fair

Sunday UV 5,0Moderate 😊Good

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 1,0 10:00 AMUV 2,3 11:00 AMUV 4,3 12:00 PMUV 5,2 1:00 PMUV 5,5 2:00 PMUV 5,0 3:00 PMUV 4,2 4:00 PMUV 2,3 5:00 PMUV 1,1 6:00 PMUV 0,3

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for New Castle

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · NEW CASTLE, COLORADO

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

30/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 95% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 64° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for New Castle were last refreshed today at 3:32 AM. The current forecast period extends through 25/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.