Chatham, NJ Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Chatham, NJ.

Current Conditions — Chatham, NJ

CALDWELL (KCDW)

Cloudy

59.0 F
Humidity:33%
Wind Speed: 5.7 mph
Barometer:29.86 in
Dewpoint:30.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 2 2026, 02:50 PM EDT
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5-Day Forecast — Chatham, NJ

Saturday

High 62 °F
Mostly Cloudy
Saturday
Night
Low 39 °F
Overcast
Sunday

High 60 °F
Mostly Sunny
Sunday
Night
Low 44 °F
Partly Cloudy
Monday

High 73 °F
Partly Sunny
Monday
Night
Low 55 °F
Partly Cloudy
Tuesday

High 82 °F
Partly Sunny
Tuesday
Night
Low 62 °F
Slight Chance of Rain
Wednesday

High 75 °F
Chance of Rain Showers

Detailed Forecast — Chatham, NJ

Saturday
Mostly Cloudy. High near 62°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Saturday Night
Overcast. Low around 39°F. Wind 6 to 12 mph, with gusts as high as 17 mph.
Sunday
Mostly Sunny. High near 60°F. Wind 7 to 13 mph, with gusts as high as 25 mph.
Sunday Night
Partly Cloudy. Low around 44°F. Wind 3 to 5 mph, with gusts as high as 12 mph.
Monday
Partly Sunny. High near 73°F. Wind 6 to 12 mph, with gusts as high as 23 mph.
Monday Night
Partly Cloudy. Low around 55°F. Wind 5 to 6 mph, with gusts as high as 14 mph.
Tuesday
Partly Sunny. High near 82°F. Wind 6 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Slight Chance of Rain. Low around 62°F. Wind 12 to 13 mph, with gusts as high as 25 mph.
Wednesday
Chance of Rain Showers. High near 75°F. Wind 14 to 15 mph, with gusts as high as 31 mph.
Wednesday Night
Thunderstorms Likely. Low around 57°F. Wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday
Rain Showers Likely. High near 68°F. Wind 7 to 10 mph, with gusts as high as 23 mph.
Thursday Night
Rain Showers Likely. Low around 46°F. Wind around 8 mph, with gusts as high as 18 mph.
Friday
Chance of Showers. High near 64°F. Wind 10 to 14 mph, with gusts as high as 26 mph.
NJ Radar
Current Radar • NJ
Day 1 Outlook • May 2, 2026

Observation History — Chatham, NJ

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:50 PM EDT 5.7 10.00 Cloudy -- 59.0 30.2 33% NA NA 29.86 1011.2
02:40 PM EDT 8.1 10.00 Cloudy -- 59.0 28.4 31% NA NA 29.86 1011.2
02:35 PM EDT 5.7 10.00 Mostly Cloudy -- 57.2 28.4 33% NA NA 29.86 1011.2
02:30 PM EDT NW 6.9 10.00 Mostly Cloudy -- 57.2 28.4 33% NA NA 29.87 1011.5
02:25 PM EDT 3.4 10.00 Mostly Cloudy -- 57.2 28.4 33% NA NA 29.86 1011.2
02:20 PM EDT NW 4.6 10.00 Partly Cloudy -- 57.2 30.2 36% NA NA 29.87 1011.5
02:05 PM EDT 0.0 10.00 Partly Cloudy -- 57.2 28.4 33% NA NA 29.86 1011.2
01:55 PM EDT 0.0 10.00 Partly Cloudy -- 57.2 28.4 33% NA NA 29.87 1011.5
01:50 PM EDT 6.9 10.00 Mostly Cloudy -- 57.2 % NA NA 29.87 1011.5
01:45 PM EDT 8.1 10.00 Mostly Cloudy -- 57.2 30.2 36% NA NA 29.87 1011.5
01:30 PM EDT 8.1 10.00 Partly Cloudy -- 57.2 30.2 36% NA NA 29.87 1011.5
01:25 PM EDT 6.9 10.00 Partly Cloudy -- 57.2 30.2 36% NA NA 29.87 1011.5
01:20 PM EDT W 4.6 10.00 Partly Cloudy -- 57.2 30.2 36% NA NA 29.87 1011.5
01:15 PM EDT 3.4 10.00 Mostly Cloudy -- 57.2 32.0 38% NA NA 29.88 1011.9
01:10 PM EDT 3.4 10.00 Mostly Cloudy -- 55.4 % NA NA 29.88 1011.9
01:00 PM EDT NW 8.1 10.00 Cloudy -- 57.2 32.0 38% NA NA 29.88 1011.9
12:50 PM EDT 5.7 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.89 1012.2
12:40 PM EDT 4.6 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.89 1012.2
12:35 PM EDT 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.89 1012.2
12:30 PM EDT 5.7 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.89 1012.2
12:20 PM EDT 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.89 1012.2
12:05 PM EDT 5.7 10.00 Cloudy -- 55.4 33.8 44% NA NA 29.90 1012.5
12:00 PM EDT NW 6.9 10.00 Cloudy -- 55.4 35.6 47% NA NA 29.89 1012.2
11:50 AM EDT 5.7 10.00 Mostly Cloudy -- 55.4 37.4 51% NA NA 29.90 1012.5

Regional Weather Observation

CALDWELL (KCDW)

Cloudy
59.0 F

ANDOVER (K12N)

NULL
55.9 F

MORRISTOWN MUNI (KMMU)

Partly Cloudy
59.0 F

NYC/CENTRAL PARK (KNYC)

Clear
60.1 F

TETERBORO (KTEB)

Mostly Clear
60.8 F

SOMERVILLE (KSMQ)

Partly Cloudy
59.0 F
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