Trenton weather live forecast

Today's maximum temperature in Trenton is expected to be 35°C. Select a day from the live weather forecast for Trenton, New Jersey, USA for more weather parameters.

Monday
18th May
35

17

13

8
Tuesday
19th May
36

22

10

8
Wednesday
20th May
34

19

10

9
Thursday
21st May
22

14

0

7
Friday
22nd May
19

10

0

5

5-day weather forecast updated at 04:00 on Tuesday 19th May 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 Monday 18th May 2026

Expect scattered clouds in Trenton, New Jersey with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

35
°C maximum temperature
17
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from SW

Trenton weather for Tuesday 19th May 2026

Expect scattered clouds in Trenton, New Jersey with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

36
°C maximum temperature
22
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from SW

Trenton weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Trenton, New Jersey with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 16 kph from the west.

34
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
9
UV index (Very High)
65
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
16
kph wind from W

Trenton weather for Thursday 21st May 2026

Expect overcast skies in Trenton, New Jersey with a maximum temperature of 22°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

22
°C maximum temperature
14
°C minimum temperature
overcast skies
0
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
9
kph wind from N

Trenton weather for Friday 22nd May 2026

Expect cloudy with some rain in Trenton, New Jersey with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 9 kph from the east.