Trenton weather live forecast

Today's maximum temperature in Trenton is expected to be 29°C. Select a day from the live weather forecast for Trenton, New Jersey, USA for more weather parameters.

Friday
18th Sep
29

19

5

6
Saturday
19th Sep
23

17

3

5
Sunday
20th Sep
24

17

0

2
Monday
21st Sep
21

16

0

1
Tuesday
22nd Sep
18

14

0

1

5-day weather forecast updated at 04:00 on Friday 18th September 2026 GMT

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The 5-day weather forecast for New Jersey (Trenton) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Trenton weather forecast by day

Below are the detailed weather forecasts for Trenton for the next 5 days.

Trenton weather for Friday 18th September 2026

Expect mostly cloudy with light rain in Trenton, New Jersey with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected and a light breeze of 8 kph from the north.

29
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
6
UV index (High)
<2
mm of rainfall expected
L
low heat & humidity
8
kph wind from N

Trenton weather for Saturday 19th September 2026

Expect broken clouds in Trenton, New Jersey with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

23
°C maximum temperature
17
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
8
kph wind from E

Trenton weather for Sunday 20th September 2026

Expect overcast with light rain in Trenton, New Jersey with a maximum temperature of 24°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 86% chance of some rain and a light breeze of 8 kph from the south.

24
°C maximum temperature
17
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
8
kph wind from S

Trenton weather for Monday 21st September 2026

Expect mostly cloudy with light rain in Trenton, New Jersey with a maximum temperature of 21°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and a light breeze of 11 kph from the north-east.

21
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
49
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
11
kph wind from NE

Trenton weather for Tuesday 22nd September 2026

Expect cloudy with some rain in Trenton, New Jersey with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 13 kph from the north-east.