Trenton weather live forecast

Today's maximum temperature in Trenton is expected to be 18°C. Select a day from the live weather forecast for Trenton, New Jersey, USA for more weather parameters.

Friday
22nd May
18

12

1

UV7
Saturday
23rd May
13

10

0

UV1
Sunday
24th May
18

11

0

UV3
Monday
25th May
21

13

0

UV6
Tuesday
26th May
27

15

1

UV5

5-day weather forecast updated at 04:00 on Friday 22nd 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 Friday 22nd May 2026

Expect mostly cloudy with light rain in Trenton, New Jersey with a maximum temperature of 18°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 16 kph from the east.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV7
UV index (High)
15
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
16
kph wind from E

Trenton weather for Saturday 23rd May 2026

Expect cloudy with some rain in Trenton, New Jersey with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 17 kph from the east.

13
°C maximum temperature
10
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV1
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
13
°C wind chill
17
kph wind from E

Trenton weather for Sunday 24th May 2026

Expect overcast with light rain in Trenton, New Jersey with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 15 kph from the east.

18
°C maximum temperature
11
°C minimum temperature
overcast with light rain
0
hours of sunshine
UV3
UV index (Moderate)
82
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
15
kph wind from E

Trenton weather for Monday 25th May 2026

Expect isolated thunderstorms in Trenton, New Jersey with a maximum temperature of 21°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and little or no wind of 3 kph from the west.

21
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
UV6
UV index (High)
56
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
3
kph wind from W

Trenton weather for Tuesday 26th May 2026

Expect overcast skies in Trenton, New Jersey with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.