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.

Monday
17th Aug
29

20

7

7
Tuesday
18th Aug
29

21

6

8
Wednesday
19th Aug
31

20

12

8
Thursday
20th Aug
28

22

1

5
Friday
21st Aug
28

21

4

8

5-day weather forecast updated at 04:00 on Monday 17th August 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 17th August 2026

Expect isolated thunderstorms in Trenton, New Jersey with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 34% chance of some rain and a light breeze of 10 kph from the north-west.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
34
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from NW

Trenton weather for Tuesday 18th August 2026

Expect broken clouds in Trenton, New Jersey with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

29
°C maximum temperature
21
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from NW

Trenton weather for Wednesday 19th August 2026

Expect clear skies in Trenton, New Jersey with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

31
°C maximum temperature
20
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from W

Trenton weather for Thursday 20th August 2026

Expect isolated thunderstorms in Trenton, New Jersey with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and little or no wind of 5 kph from the north-west.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
74
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
5
kph wind from NW

Trenton weather for Friday 21st August 2026

Expect broken clouds in Trenton, New Jersey with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.