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Current weather in Trenton is clear sky.

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

Is the weather forecast for Trenton updated regularly?

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

Now · 7:41 AM

Trenton Weather & Hourly Forecast

United States · New Jersey · 08618

58°F

Sunny

Feels like: 56°F

💧 Humidity 77% 🌡 Pressure 30.36 inHg 💨 Wind 5 mph 👁 Visibility 20.1 mi ☁ Clouds 1% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Trenton

Today

8:00 AM

Sunny

58° 💧 None 💨 5 mph H 77%30.36 inHg

11:00 AM

Sunny

68° 💧 None 💨 5 mph H 63%30.39 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 53%30.36 inHg

5:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 53%30.33 inHg

8:00 PM

Clear night

66° 💧 None 💨 7 mph H 74%30.33 inHg

11:00 PM

Clear night

62° 💧 None 💨 5 mph H 84%30.36 inHg

Tomorrow

2:00 AM

Clear night

60° 💧 None 💨 4 mph H 90%30.33 inHg

5:00 AM

Clear night

60° 💧 None 💨 2 mph H 91%30.33 inHg

8:00 AM

Sunny

63° 💧 None 💨 3 mph H 87%30.36 inHg

11:00 AM

Sunny

73° 💧 None 💨 5 mph H 66%30.36 inHg

2:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 57%30.30 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 6 mph H 57%30.24 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 7 mph H 73%30.24 inHg

11:00 PM

Overcast night

71° 💧 None 💨 6 mph H 80%30.30 inHg

Thursday

2:00 AM

Overcast night

70° 💧 None 💨 4 mph H 86%30.27 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 3 mph H 87%30.24 inHg

Today

8:00 AM

Sunny

58° 💧 None 💨 5 mph H 77%30.36 inHg

9:00 AM

Mostly sunny

62° 💧 None 💨 6 mph H 72%30.36 inHg

10:00 AM

Mostly sunny

65° 💧 None 💨 6 mph H 67%30.39 inHg

11:00 AM

Sunny

68° 💧 None 💨 5 mph H 63%30.39 inHg

12:00 PM

Sunny

70° 💧 None 💨 3 mph H 57%30.39 inHg

1:00 PM

Sunny

71° 💧 None 💨 4 mph H 54%30.39 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 53%30.36 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 52%30.36 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 52%30.33 inHg

5:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 53%30.33 inHg

6:00 PM

Sunny

72° 💧 None 💨 2 mph H 57%30.33 inHg

7:00 PM

Sunny

68° 💧 None 💨 4 mph H 71%30.33 inHg

8:00 PM

Clear night

66° 💧 None 💨 7 mph H 74%30.33 inHg

9:00 PM

Clear night

64° 💧 None 💨 7 mph H 78%30.36 inHg

10:00 PM

Clear night

62° 💧 None 💨 6 mph H 81%30.36 inHg

11:00 PM

Clear night

62° 💧 None 💨 5 mph H 84%30.36 inHg

Tomorrow

12:00 AM

Clear night

61° 💧 None 💨 4 mph H 87%30.36 inHg

1:00 AM

Clear night

61° 💧 None 💨 4 mph H 88%30.36 inHg

2:00 AM

Clear night

60° 💧 None 💨 4 mph H 90%30.33 inHg

3:00 AM

Clear night

60° 💧 None 💨 3 mph H 91%30.33 inHg

4:00 AM

Clear night

60° 💧 None 💨 2 mph H 91%30.33 inHg

5:00 AM

Clear night

60° 💧 None 💨 2 mph H 91%30.33 inHg

6:00 AM

Clear night

59° 💧 None 💨 2 mph H 92%30.33 inHg

7:00 AM

Sunny

60° 💧 None 💨 2 mph H 92%30.36 inHg

8:00 AM

Sunny

63° 💧 None 💨 3 mph H 87%30.36 inHg

9:00 AM

Sunny

66° 💧 None 💨 2 mph H 79%30.36 inHg

10:00 AM

Sunny

70° 💧 None 💨 4 mph H 72%30.36 inHg

11:00 AM

Sunny

73° 💧 None 💨 5 mph H 66%30.36 inHg

12:00 PM

Sunny

75° 💧 None 💨 6 mph H 63%30.33 inHg

1:00 PM

Sunny

77° 💧 None 💨 6 mph H 60%30.33 inHg

2:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 57%30.30 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 6 mph H 56%30.27 inHg

4:00 PM

Sunny

81° 💧 None 💨 6 mph H 56%30.27 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 6 mph H 57%30.24 inHg

6:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 62%30.24 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 5 mph H 71%30.24 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 7 mph H 73%30.24 inHg

9:00 PM

Clear night

73° 💧 None 💨 7 mph H 76%30.27 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 6 mph H 78%30.30 inHg

11:00 PM

Overcast night

71° 💧 None 💨 6 mph H 80%30.30 inHg

Thursday

12:00 AM

Overcast night

70° 💧 None 💨 5 mph H 82%30.30 inHg

1:00 AM

Overcast night

70° 💧 None 💨 4 mph H 84%30.27 inHg

2:00 AM

Overcast night

70° 💧 None 💨 4 mph H 86%30.27 inHg

3:00 AM

Overcast night

70° 💧 None 💨 3 mph H 87%30.24 inHg

4:00 AM

Overcast night

70° 💧 None 💨 3 mph H 88%30.24 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 3 mph H 87%30.24 inHg

6:00 AM

Mostly cloudy night

69° 💧 None 💨 1 mph H 88%30.24 inHg

7:00 AM

Overcast

69° 💧 None 💨 2 mph H 89%30.27 inHg

8:00 AM

Overcast

71° 💧 None 💨 3 mph H 84%30.27 inHg

9:00 AM

Overcast

73° 💧 None 💨 2 mph H 78%30.24 inHg

10:00 AM

Mostly sunny

74° 💧 None 💨 4 mph H 76%30.24 inHg

11:00 AM

Partly cloudy

78° 💧 None 💨 4 mph H 70%30.24 inHg

12:00 PM

Partly cloudy

81° 💧 None 💨 5 mph H 64%30.21 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 6 mph H 60%30.18 inHg

2:00 PM

Sunny

85° 💧 None 💨 7 mph H 55%30.15 inHg

3:00 PM

Sunny

86° 💧 None 💨 8 mph H 53%30.12 inHg

4:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 52%30.09 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 8 mph H 57%30.09 inHg

6:00 PM

Mostly sunny

83° 💧 None 💨 8 mph H 62%30.06 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 10 mph H 67%30.06 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 10 mph H 68%30.06 inHg

11:00 PM

Overcast night

73° 💧 None 💨 6 mph H 74%30.09 inHg

Friday

2:00 AM

Mostly cloudy night

72° 💧 None 💨 6 mph H 83%30.03 inHg

5:00 AM

Overcast night

72° 💧 None 💨 5 mph H 87%30.03 inHg

8:00 AM

Overcast

71° 💧 None 💨 8 mph H 79%30.06 inHg

11:00 AM

Mostly cloudy

74° 💧 None 💨 8 mph H 63%30.09 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 49%30.06 inHg

5:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 43%30.03 inHg

8:00 PM

Clear night

73° 💧 None 💨 10 mph H 51%30.09 inHg

11:00 PM

Mostly clear night

67° 💧 None 💨 9 mph H 55%30.15 inHg

Saturday

2:00 AM

Clear night

62° 💧 None 💨 6 mph H 66%30.15 inHg

5:00 AM

Partly cloudy night

60° 💧 None 💨 8 mph H 69%30.15 inHg

8:00 AM

Mostly cloudy

60° 💧 None 💨 7 mph H 67%30.21 inHg

11:00 AM

Partly cloudy

67° 💧 None 💨 7 mph H 53%30.21 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 5 mph H 47%30.18 inHg

5:00 PM

Mostly sunny

73° 💧 None 💨 5 mph H 45%30.15 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 7 mph H 63%30.15 inHg

11:00 PM

Overcast night

62° 💧 None 💨 5 mph H 75%30.15 inHg

Sunday

2:00 AM

Partly cloudy night

62° 💧 None 💨 3 mph H 76%30.15 inHg

5:00 AM

Overcast night

62° 💧 None 💨 3 mph H 78%30.12 inHg

8:00 AM

Overcast

63° 💧 None 💨 4 mph H 76%30.12 inHg

11:00 AM

Moderate rain

66° 💧 None 💨 5 mph H 88%30.12 inHg

2:00 PM

Moderate rain

66° 💧 None 💨 7 mph H 94%30.09 inHg

5:00 PM

Overcast

67° 💧 None 💨 8 mph H 84%30.09 inHg

8:00 PM

Overcast night

66° 💧 None 💨 7 mph H 80%30.09 inHg

Monday

2:00 AM

Overcast night

67° 💧 None 💨 6 mph H 84%30.12 inHg

8:00 AM

Moderate rain

66° 💧 None 💨 8 mph H 95%30.15 inHg

2:00 PM

Light rain

71° 💧 None 💨 8 mph H 92%30.12 inHg

8:00 PM

Overcast night

69° 💧 None 💨 7 mph H 91%30.06 inHg

Tuesday

2:00 AM

Overcast night

69° 💧 None 💨 2 mph H 96%30.03 inHg

8:00 AM

Mostly cloudy

70° 💧 None 💨 4 mph H 98%30.06 inHg

2:00 PM

Overcast

78° 💧 None 💨 3 mph H 76%30.03 inHg

8:00 PM

Overcast night

71° 💧 None 💨 10 mph H 86%30.09 inHg

Wednesday

2:00 AM

Overcast night

66° 💧 None 💨 11 mph H 86%30.12 inHg

8:00 AM

Overcast

64° 💧 None 💨 8 mph H 87%30.21 inHg

2:00 PM

Overcast

69° 💧 None 💨 10 mph H 75%30.18 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 6 mph H 83%30.15 inHg

Thursday

2:00 AM

Overcast night

65° 💧 None 💨 7 mph H 86%30.12 inHg

8:00 AM

Overcast

63° 💧 None 💨 8 mph H 85%30.12 inHg

2:00 PM

Overcast

69° 💧 None 💨 10 mph H 75%30.09 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 10 mph H 73%30.09 inHg

Friday

2:00 AM

Overcast night

65° 💧 None 💨 12 mph H 64%30.09 inHg

8:00 AM

Light rain

59° 💧 None 💨 15 mph H 90%30.12 inHg

2:00 PM

Overcast

66° 💧 None 💨 15 mph H 84%30.09 inHg

8:00 PM

Overcast night

62° 💧 None 💨 14 mph H 81%30.09 inHg

Saturday

2:00 AM

Mostly cloudy night

58° 💧 None 💨 14 mph H 81%30.00 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 11 mph H 80%29.88 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 15 mph H 60%29.80 inHg

8:00 PM

Mostly clear night

64° 💧 None 💨 8 mph H 66%29.77 inHg

Sunday

2:00 AM

Mostly clear night

57° 💧 None 💨 8 mph H 68%29.77 inHg

8:00 AM

Sunny

58° 💧 None 💨 9 mph H 69%29.80 inHg

2:00 PM

Overcast

64° 💧 None 💨 9 mph H 61%29.85 inHg

8:00 PM

Overcast night

61° 💧 None 💨 7 mph H 68%29.91 inHg

Monday

2:00 AM

Overcast night

57° 💧 None 💨 11 mph H 62%30.03 inHg

8:00 AM

Sunny

51° 💧 None 💨 10 mph H 59%30.15 inHg

2:00 PM

Sunny

60° 💧 None 💨 10 mph H 47%30.18 inHg

8:00 PM

Clear night

53° 💧 None 💨 4 mph H 67%30.24 inHg

Tuesday

2:00 AM

Clear night

49° 💧 None 💨 7 mph H 79%30.30 inHg

8:00 AM

Sunny

49° 💧 None 💨 8 mph H 76%30.36 inHg

2:00 PM

Mostly sunny

62° 💧 None 💨 10 mph H 53%30.33 inHg

8:00 PM

Clear night

55° 💧 None 💨 6 mph H 72%30.33 inHg

In Trenton and, more broadly, across the state of New Jersey: The morning starts with mostly sunny skies and a few clouds, offering a pleasant start to the day. Temperatures are mild, ranging from the low 50s to the mid-70s. Winds are light, coming from the east at around 8 mph, with gusts reaching up to 17 mph. As the day progresses into the afternoon, the weather remains generally clear with no precipitation expected. Temperatures will stay mild, making for comfortable outdoor conditions. Winds are likely to remain gentle, keeping the atmosphere relatively calm. Overall, it will be a day with mild temperatures, light breezes, and mostly sunny skies, ideal for outdoor activities.

15-Day Weather Outlook for Trenton

TomorrowTomorrow

Mostly sunny 81°/59° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Overcast 86°/69° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Overcast 82°/67° 💧 0.004 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 73°/60° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 67°/62° 💧 0.328 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Moderate rain 71°/66° 💧 0.300 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 78°/69° 💧 0.115 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Overcast 69°/64° 💧 0.008 in 💨 11 mph

Thursday, Sep 24Thu Sep 24

Overcast 69°/63° 💧 0.015 in 💨 10 mph

Friday, Sep 25Fri Sep 25

Light rain 66°/59° 💧 0.675 in 💨 15 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 69°/58° 💧 0.001 in 💨 15 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 64°/57° 💧 None 💨 9 mph

Monday, Sep 28Mon Sep 28

Overcast 60°/51° 💧 0.001 in 💨 11 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 62°/49° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Trenton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Trenton

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 1,7µg/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 3,1µg/m³

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

O₃ Ozone Good 36,4µg/m³

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

NO₂ Nitrogen dioxide Good 11,6µg/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 Trenton

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 6,6High 😊Good

Tomorrow UV 6,7High 😐Moderate

Thursday UV 7,0High 😐Moderate

Friday UV 6,0High 😐Moderate

Saturday UV 6,0High 🙂Fair

Sunday UV 8,0Very high —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Trenton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · TRENTON, NEW JERSEY

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

97/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:40 PM–5:09 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° 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.

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Forecast data for Trenton were last refreshed today at 7:41 AM. The current forecast period extends through 17/09/2026 at 5:00 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.