Branchburg, NJ Weather Forecast & Current Conditions

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Branchburg, NJ Weather Maps

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Branchburg Weather Map
UTC Time: 9/30/2026, 08:16
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Branchburg, NJ Regional Weather

Expires:202609300900;;290589
ASUS41 KPHI 300810
RWRPHI

REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 AM EDT WED SEP 30 2026

NOTE:  "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

 * = STATION DOES NOT REPORT PRECIPITATION (E.G. RAIN, SNOW, ETC.) 
        OR FOG.


NJZ001>014-300900-
NORTHERN NEW JERSEY
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SUSSEX         CLEAR     54  32  43 CALM      30.08S                  
ANDOVER*         N/A     52  52 100 CALM      30.09S                  
MORRISTOWN     CLEAR     54  54 100 CALM      30.08S                  
NEWARK         MOCLDY    64  55  72 W5        30.07S                  
TETERBORO      CLOUDY    62  56  80 NW3       30.06F                  
CALDWELL       CLOUDY    60  55  83 CALM      30.08S                  
SOMERVILLE     CLEAR     53  53 100 CALM      30.07S                  
ALLAIRE*       MOCLDY    60  32  34 N3        30.08F                  
TOMS RIVER*    CLEAR     57  32  38 CALM      30.09R                  

$$

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Branchburg, NJ

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 60° 28°/ 16°
40%
Saturday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then clearing. Patchy fog. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Flemington, NJ

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 60° 24°/ 16°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 58° 28°/ 14°
40%
Saturday
Partly Cloudy
70°/ 52° 21°/ 11°
40%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

New Brunswick, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Mostly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. West winds around 5 mph.

Morristown, NJ

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 60° 24°/ 16°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 58° 28°/ 14°
40%
Saturday
Sunny
68°/ 52° 20°/ 11°
30%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then clearing. Patchy fog. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Trenton, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
50%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Western Union, NJ

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Sunny
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Washington, NJ

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Sunny
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 58° 28°/ 14°
40%
Saturday
Sunny
70°/ 50° 21°/ 10°
40%
Sunday
Rain Showers
65°/ 48° 18°/ 9°
50%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then clearing. Patchy fog. Lows in the lower 50s. West winds around 5 mph this evening, becoming light and variable.

Eastern Union, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Partly Cloudy
78°/ 68° 26°/ 20°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Partly Cloudy
72°/ 58° 22°/ 14°
30%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph.

Morrisville, PA

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Western Essex, NJ

Tonight
Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Sunny
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Sunny
65°/ 48° 18°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Chalfont, PA

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 58° 28°/ 14°
40%
Saturday
Partly Cloudy
70°/ 52° 21°/ 11°
40%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Freehold, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Mostly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
85°/ 62° 29°/ 17°
40%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Sunny
65°/ 48° 18°/ 9°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. West winds around 5 mph.

Newton, NJ

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Sunny
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
75°/ 62° 24°/ 17°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
40%
Saturday
Sunny
68°/ 48° 20°/ 9°
30%
Sunday
Rain Showers
62°/ 48° 17°/ 9°
50%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then clearing. Patchy fog. Lows in the lower 50s. West winds around 5 mph this evening, becoming light and variable.

Staten Island, NY

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 65° 24°/ 18°
0%
Thursday
Partly Cloudy
78°/ 68° 26°/ 20°
0%
Friday
Sunny
82°/ 65° 28°/ 18°
40%
Saturday
Partly Cloudy
70°/ 58° 21°/ 14°
30%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
50%
Monday
Sunny
65°/ 50° 18°/ 10°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph.

Eastern Essex, NJ

Tonight
Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 65° 24°/ 18°
0%
Thursday
Partly Cloudy
78°/ 68° 26°/ 20°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Sunny
72°/ 58° 22°/ 14°
30%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Moorestown, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Partly Cloudy
80°/ 65° 27°/ 18°
0%
Friday
Sunny
85°/ 62° 29°/ 17°
40%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
65°/ 48° 18°/ 9°
0%
Tuesday
Sunny
60°16°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. West winds around 5 mph this evening, becoming light and variable.

Hudson County, NJ

Tonight
Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 65° 24°/ 18°
0%
Thursday
Partly Cloudy
78°/ 68° 26°/ 20°
0%
Friday
Sunny
82°/ 65° 28°/ 18°
40%
Saturday
Sunny
72°/ 58° 22°/ 14°
30%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
50%
Monday
Sunny
68°/ 50° 20°/ 10°
0%
Tuesday
Sunny
62°17°
0%

Night: Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph.

Bethlehem, PA

Tonight
Cloudy
55°13°
0%
Wednesday
Partly Cloudy
75°/ 60° 24°/ 16°
0%
Thursday
Partly Cloudy
78°/ 62° 26°/ 17°
0%
Friday
Sunny
82°/ 58° 28°/ 14°
40%
Saturday
Sunny
70°/ 52° 21°/ 11°
40%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
50%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
62°17°
0%

Night: Partly cloudy. Patchy fog. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Eastern Passaic, NJ

Tonight
Cloudy
55°13°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 60° 28°/ 16°
40%
Saturday
Sunny
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Sunny
65°/ 48° 18°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest winds around 5 mph this evening, becoming light and variable.

Eastern Bergen, NJ

Tonight
Mostly Cloudy
58°14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Partly Cloudy
78°/ 65° 26°/ 18°
0%
Friday
Sunny
82°/ 62° 28°/ 17°
40%
Saturday
Sunny
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northwest winds around 5 mph.

Names listed above may include county names.

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