What is the weather in Newcastle right now?

Current weather in Newcastle is scattered clouds.

Where can I find the hourly weather forecast for Newcastle?

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

Is the weather forecast for Newcastle updated regularly?

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

Now · 10:45 AM

Newcastle Weather & Hourly Forecast

United States · Wyoming · 82701

59°F

Partly cloudy

Feels like: 54°F

💧 Humidity 54% 🌡 Pressure 30.09 inHg 💨 Wind 5 mph 👁 Visibility 28.6 mi ☁ Clouds 41% ☀️ UV index 2.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Newcastle

Today

11:00 AM

Partly cloudy

59° 💧 None 💨 5 mph H 54%30.09 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 8 mph H 41%30.00 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 38%29.94 inHg

8:00 PM

Mostly cloudy night

58° 💧 None 💨 4 mph H 55%29.94 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 7 mph H 58%29.97 inHg

Tomorrow

2:00 AM

Mostly clear night

54° 💧 None 💨 6 mph H 64%29.97 inHg

5:00 AM

Clear night

50° 💧 None 💨 6 mph H 75%29.97 inHg

8:00 AM

Partly cloudy

55° 💧 0.026 in 💨 2 mph H 66%30.03 inHg

11:00 AM

Partly cloudy

65° 💧 None 💨 4 mph H 54%30.00 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 12 mph H 45%29.88 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 12 mph H 46%29.83 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 14 mph H 70%29.85 inHg

11:00 PM

Mostly cloudy night

60° 💧 0.001 in 💨 12 mph H 81%29.85 inHg

Monday

2:00 AM

Overcast night

60° 💧 0.003 in 💨 12 mph H 90%29.83 inHg

5:00 AM

Overcast night

61° 💧 None 💨 12 mph H 93%29.71 inHg

8:00 AM

Mist

62° 💧 0.004 in 💨 9 mph H 90%29.68 inHg

Today

11:00 AM

Partly cloudy

59° 💧 None 💨 5 mph H 54%30.09 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 7 mph H 49%30.06 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 8 mph H 44%30.03 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 8 mph H 41%30.00 inHg

3:00 PM

Mostly cloudy

67° 💧 None 💨 8 mph H 40%29.97 inHg

4:00 PM

Mostly sunny

67° 💧 None 💨 6 mph H 39%29.94 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 38%29.94 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 4 mph H 40%29.94 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 3 mph H 51%29.94 inHg

8:00 PM

Mostly cloudy night

58° 💧 None 💨 4 mph H 55%29.94 inHg

9:00 PM

Overcast night

57° 💧 None 💨 5 mph H 59%29.97 inHg

10:00 PM

Mostly cloudy night

58° 💧 None 💨 7 mph H 56%29.97 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 7 mph H 58%29.97 inHg

Tomorrow

12:00 AM

Mostly cloudy night

56° 💧 None 💨 7 mph H 60%29.97 inHg

1:00 AM

Mostly cloudy night

55° 💧 None 💨 6 mph H 61%29.97 inHg

2:00 AM

Mostly clear night

54° 💧 None 💨 6 mph H 64%29.97 inHg

3:00 AM

Mostly clear night

52° 💧 None 💨 6 mph H 69%29.97 inHg

4:00 AM

Clear night

51° 💧 None 💨 5 mph H 73%29.97 inHg

5:00 AM

Clear night

50° 💧 None 💨 6 mph H 75%29.97 inHg

6:00 AM

Clear night

49° 💧 None 💨 5 mph H 77%29.97 inHg

7:00 AM

Sunny

49° 💧 None 💨 4 mph H 79%30.00 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 2 mph H 66%30.03 inHg

9:00 AM

Light rain

58° 💧 0.016 in 💨 2 mph H 68%30.03 inHg

10:00 AM

Light rain

61° 💧 0.009 in 💨 5 mph H 61%30.00 inHg

11:00 AM

Partly cloudy

65° 💧 None 💨 4 mph H 54%30.00 inHg

12:00 PM

Partly cloudy

69° 💧 None 💨 8 mph H 49%29.97 inHg

1:00 PM

Partly cloudy

70° 💧 None 💨 12 mph H 47%29.94 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 12 mph H 45%29.88 inHg

3:00 PM

Partly cloudy

71° 💧 None 💨 12 mph H 44%29.88 inHg

4:00 PM

Mostly cloudy

71° 💧 None 💨 12 mph H 44%29.85 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 12 mph H 46%29.83 inHg

6:00 PM

Partly cloudy

67° 💧 None 💨 12 mph H 52%29.83 inHg

7:00 PM

Mostly sunny

63° 💧 None 💨 12 mph H 63%29.85 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 14 mph H 70%29.85 inHg

9:00 PM

Mostly clear night

61° 💧 None 💨 14 mph H 74%29.85 inHg

10:00 PM

Partly cloudy night

60° 💧 None 💨 14 mph H 78%29.85 inHg

11:00 PM

Mostly cloudy night

60° 💧 0.001 in 💨 12 mph H 81%29.85 inHg

Monday

12:00 AM

Overcast night

59° 💧 None 💨 13 mph H 86%29.85 inHg

1:00 AM

Overcast night

60° 💧 None 💨 13 mph H 87%29.83 inHg

2:00 AM

Overcast night

60° 💧 0.003 in 💨 12 mph H 90%29.83 inHg

3:00 AM

Overcast night

60° 💧 None 💨 12 mph H 89%29.77 inHg

4:00 AM

Overcast night

61° 💧 None 💨 12 mph H 89%29.71 inHg

5:00 AM

Overcast night

61° 💧 None 💨 12 mph H 93%29.71 inHg

6:00 AM

Fog at night

61° 💧 None 💨 11 mph H 92%29.68 inHg

7:00 AM

Fog

61° 💧 None 💨 9 mph H 92%29.68 inHg

8:00 AM

Mist

62° 💧 0.001 in 💨 9 mph H 90%29.68 inHg

9:00 AM

Mostly cloudy

64° 💧 None 💨 6 mph H 84%29.68 inHg

10:00 AM

Overcast

66° 💧 0.004 in 💨 8 mph H 77%29.71 inHg

11:00 AM

Mostly sunny

66° 💧 0.002 in 💨 12 mph H 62%29.71 inHg

12:00 PM

Sunny

69° 💧 None 💨 13 mph H 43%29.71 inHg

1:00 PM

Sunny

70° 💧 None 💨 12 mph H 39%29.71 inHg

2:00 PM

Sunny

71° 💧 None 💨 12 mph H 38%29.71 inHg

3:00 PM

Sunny

70° 💧 None 💨 12 mph H 38%29.74 inHg

4:00 PM

Mostly sunny

70° 💧 None 💨 8 mph H 37%29.71 inHg

5:00 PM

Sunny

71° 💧 None 💨 6 mph H 33%29.68 inHg

6:00 PM

Sunny

69° 💧 None 💨 8 mph H 37%29.71 inHg

Tuesday

3:00 AM

Clear night

53° 💧 None 💨 13 mph H 52%30.06 inHg

6:00 AM

Clear night

48° 💧 None 💨 5 mph H 68%30.15 inHg

9:00 AM

Mostly sunny

55° 💧 None 💨 6 mph H 52%30.18 inHg

12:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 34%30.15 inHg

3:00 PM

Sunny

71° 💧 None 💨 13 mph H 28%30.03 inHg

6:00 PM

Mostly cloudy

67° 💧 None 💨 15 mph H 39%30.00 inHg

9:00 PM

Overcast night

62° 💧 None 💨 17 mph H 49%30.06 inHg

Wednesday

12:00 AM

Mostly cloudy night

60° 💧 None 💨 17 mph H 55%30.06 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 15 mph H 60%30.06 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 13 mph H 63%30.09 inHg

9:00 AM

Sunny

63° 💧 None 💨 13 mph H 51%30.12 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 10 mph H 42%30.09 inHg

3:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 38%30.03 inHg

6:00 PM

Mostly sunny

75° 💧 None 💨 7 mph H 43%30.06 inHg

9:00 PM

Mostly clear night

67° 💧 None 💨 9 mph H 60%30.12 inHg

Thursday

12:00 AM

Partly cloudy night

63° 💧 None 💨 12 mph H 75%30.15 inHg

3:00 AM

Partly cloudy night

61° 💧 None 💨 11 mph H 85%30.15 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 92%30.15 inHg

9:00 AM

Overcast

64° 💧 None 💨 15 mph H 81%30.15 inHg

12:00 PM

Light rain

69° 💧 None 💨 15 mph H 69%30.12 inHg

3:00 PM

Mostly cloudy

75° 💧 None 💨 14 mph H 54%30.00 inHg

6:00 PM

Light rain

73° 💧 None 💨 11 mph H 59%29.97 inHg

9:00 PM

Mostly clear night

64° 💧 None 💨 8 mph H 91%30.03 inHg

Friday

12:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 94%30.00 inHg

6:00 AM

Light rain

56° 💧 None 💨 3 mph H 97%30.12 inHg

12:00 PM

Overcast

56° 💧 None 💨 3 mph H 96%30.09 inHg

6:00 PM

Partly cloudy

62° 💧 None 💨 15 mph H 70%30.18 inHg

Saturday

12:00 AM

Mostly clear night

65° 💧 None 💨 8 mph H 57%30.18 inHg

6:00 AM

Clear night

51° 💧 None 💨 3 mph H 91%30.30 inHg

12:00 PM

Sunny

46° 💧 None 💨 2 mph H 96%30.30 inHg

6:00 PM

Mostly sunny

67° 💧 None 💨 4 mph H 51%30.27 inHg

Sunday

12:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 46%30.18 inHg

6:00 AM

Clear night

54° 💧 None 💨 7 mph H 76%30.24 inHg

12:00 PM

Sunny

51° 💧 None 💨 7 mph H 81%30.21 inHg

6:00 PM

Overcast

68° 💧 None 💨 9 mph H 49%30.06 inHg

Monday

12:00 AM

Overcast night

72° 💧 None 💨 4 mph H 47%29.88 inHg

6:00 AM

Partly cloudy night

58° 💧 None 💨 4 mph H 64%29.91 inHg

12:00 PM

Partly cloudy

50° 💧 None 💨 3 mph H 78%29.91 inHg

6:00 PM

Overcast

71° 💧 None 💨 7 mph H 46%29.94 inHg

Tuesday

12:00 AM

Partly cloudy night

72° 💧 None 💨 3 mph H 48%29.88 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 53%29.94 inHg

12:00 PM

Partly cloudy

60° 💧 None 💨 10 mph H 55%29.91 inHg

6:00 PM

Sunny

75° 💧 None 💨 10 mph H 44%29.85 inHg

Wednesday

12:00 AM

Clear night

77° 💧 None 💨 2 mph H 54%29.74 inHg

6:00 AM

Partly cloudy night

67° 💧 None 💨 7 mph H 53%29.80 inHg

12:00 PM

Mostly sunny

61° 💧 None 💨 2 mph H 62%29.80 inHg

6:00 PM

Partly cloudy

76° 💧 None 💨 3 mph H 42%29.83 inHg

Thursday

12:00 AM

Clear night

73° 💧 None 💨 11 mph H 45%29.85 inHg

6:00 AM

Clear night

60° 💧 None 💨 6 mph H 74%30.00 inHg

12:00 PM

Sunny

53° 💧 None 💨 3 mph H 85%30.09 inHg

6:00 PM

Sunny

75° 💧 None 💨 4 mph H 43%30.12 inHg

Friday

12:00 AM

Clear night

76° 💧 None 💨 3 mph H 50%30.03 inHg

6:00 AM

Clear night

65° 💧 None 💨 9 mph H 57%30.12 inHg

12:00 PM

Mostly cloudy

61° 💧 None 💨 6 mph H 71%30.15 inHg

6:00 PM

Partly cloudy

79° 💧 None 💨 10 mph H 43%30.18 inHg

Saturday

12:00 AM

Partly cloudy night

77° 💧 None 💨 9 mph H 46%30.15 inHg

6:00 AM

Moderate rain

62° 💧 None 💨 5 mph H 91%30.27 inHg

12:00 PM

Partly cloudy

58° 💧 None 💨 1 mph H 92%30.30 inHg

6:00 PM

Partly cloudy

69° 💧 None 💨 8 mph H 66%30.27 inHg

Sunday

12:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 59%30.18 inHg

In Newcastle and, more broadly, across the state of Wyoming: The rest of the day will see mostly cloudy skies with mild temperatures ranging from 54 to 69 degrees Fahrenheit. Winds will be coming from the southwest at speeds up to 12 mph, with gusts reaching as high as 23 mph. No precipitation is expected, so outdoor plans should generally be unaffected. The weather remains relatively stable, with moderate wind speeds and no significant changes forecasted. Conditions will be suitable for outdoor activities, but it’s a good idea to keep an eye on gusts if spending extended time outside. Temperatures should stay within a comfortable range, making for a mild and mostly cloudy afternoon.

15-Day Weather Outlook for Newcastle

TomorrowTomorrow

Partly cloudy 71°/49° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 71°/59° 💧 None 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 71°/48° 💧 0.062 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 77°/57° 💧 None 💨 17 mph

Thursday, Sep 17Thu Sep 17

Light rain 75°/59° 💧 0.010 in 💨 15 mph

Friday, Sep 18Fri Sep 18

Light rain 73°/56° 💧 1.169 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 65°/46° 💧 0.147 in 💨 15 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 68°/51° 💧 None 💨 7 mph

Monday, Sep 21Mon Sep 21

Overcast 72°/50° 💧 None 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Overcast 72°/60° 💧 0.002 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 77°/61° 💧 0.019 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 76°/53° 💧 0.005 in 💨 11 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 76°/61° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 79°/58° 💧 0.183 in 💨 10 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 72°/69° 💧 0.021 in 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Newcastle

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Newcastle

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 0,7µg/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 1,2µg/m³

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

O₃ Ozone Fair 78,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Newcastle

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 6,2High 🙂Fair

Tomorrow UV 5,8Moderate 🙂Fair

Monday UV 6,0High 😐Moderate

Tuesday UV 6,0High 🙂Fair

Wednesday UV 7,0High 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Newcastle

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · NEWCASTLE, WYOMING

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:51 PM–4:55 AM

☁ Cloud cover 6% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 85° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min80%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Newcastle were last refreshed today at 10:45 AM. The current forecast period extends through 14/09/2026 at 8:00 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.