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Mercerville, NJ Weather Forecast & Current Conditions

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Mercerville Weather Map
UTC Time: 10/22/2026, 04:42
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Mercerville, NJ Regional Weather

Expires:202610220500;;972826
ASUS41 KOKX 220410
RWROKX

Regional Weather Roundup
National Weather Service New York NY
1200 AM EDT THU OCT 22 2026

Note: "FAIR" indicates few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.


NJZ001-105-106-008-010-013-015-019>022-104-220500-
New Jersey
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Newark/Liberty MOCLDY    52  37  56 N9        30.06F                  
Teterboro      PTCLDY    53  36  52 N7        30.06F                  
Caldwell       PTCLDY    46  38  73 CALM      30.08F                  
Somerville     PTCLDY    38  38 100 CALM      30.06F                  
Linden         PTCLDY    54  35  47 N5        30.07S                  
Perth Amboy      N/A     54 N/A N/A NE5         N/A                   
Sussex         PTCLDY    38  35  89 CALM      30.10F                  
Andover          N/A     38  37  97 CALM      30.10F                  
Trenton        PTCLDY    49  36  61 N8        30.06F                  
Millville      PTCLDY    49  39  68 NW6       30.06S                  
Atlantic City  PTCLDY    47  38  71 N7        30.04F                  
Wrightstown    PTCLDY    49  39  68 N8        30.05F                  
Toms River     PTCLDY    47  40  76 NW7       30.04F                  
Belmar         PTCLDY    49  42  77 NW6       30.04F                  
$$
 

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

Mercerville, NJ

Tonight
Cloudy
38°3°
0%
Thursday
Sunny
68°/ 40° 20°/ 4°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then clearing. Lows in the upper 30s. North winds around 5 mph.

Morrisville, PA

Tonight
Cloudy
40°4°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then becoming mostly clear. Lows around 40. North winds 5 to 10 mph.

Moorestown, NJ

Tonight
Cloudy
40°4°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then clearing. Lows around 40. North winds around 5 mph.

Freehold, NJ

Tonight
Cloudy
42°6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the lower 40s. North winds 5 to 10 mph with gusts up to 20 mph.

New Brunswick, NJ

Tonight
Cloudy
40°4°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy. Lows around 40. North winds 5 to 10 mph.

Somerville, NJ

Tonight
Cloudy
38°3°
0%
Thursday
Sunny
68°/ 38° 20°/ 3°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy this evening, then becoming mostly clear. Lows in the upper 30s. North winds 5 to 10 mph.

Jackson, NJ

COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
Tonight
Mostly Cloudy
40°4°
0%
Thursday
Sunny
65°/ 42° 18°/ 6°
0%
Friday
Sunny
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
62°/ 42° 17°/ 6°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
62°/ 48° 17°/ 9°
0%
Wednesday
Partly Cloudy
58°14°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows around 40. North winds 5 to 10 mph with gusts up to 20 mph.

Flemington, NJ

Tonight
Clear
38°3°
0%
Thursday
Sunny
65°/ 38° 18°/ 3°
0%
Friday
Sunny
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the upper 30s. North winds around 5 mph.

Philadelphia, PA

Tonight
Cloudy
42°6°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
62°/ 38° 17°/ 3°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then becoming mostly clear. Lows in the lower 40s. North winds 5 to 10 mph.

Norristown, PA

Tonight
Cloudy
40°4°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
60°/ 35° 16°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then becoming mostly clear. Lows around 40. North winds around 5 mph.

Chalfont, PA

Tonight
Clear
38°3°
0%
Thursday
Sunny
65°/ 38° 18°/ 3°
0%
Friday
Sunny
58°/ 32° 14°/ 0°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
62°/ 38° 17°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the upper 30s. North winds around 5 mph.

Camden, NJ

Tonight
Cloudy
42°6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
62°/ 35° 17°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then clearing. Lows in the lower 40s. North winds around 5 mph.

Wharton State Forest, NJ

COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
Tonight
Cloudy
38°3°
0%
Thursday
Sunny
68°/ 40° 20°/ 4°
0%
Friday
Sunny
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph.

Western Union, NJ

Tonight
Cloudy
45°7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
60°/ 38° 16°/ 3°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the mid 40s. North winds around 10 mph with gusts up to 20 mph.

Collegeville, PA

Tonight
Clear
38°3°
0%
Thursday
Sunny
68°/ 40° 20°/ 4°
0%
Friday
Sunny
60°/ 32° 16°/ 0°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
62°17°
0%

Night: Mostly clear. Lows in the upper 30s. North winds around 5 mph.

Morristown, NJ

Tonight
Cloudy
38°3°
0%
Thursday
Sunny
65°/ 38° 18°/ 3°
0%
Friday
Sunny
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
62°/ 40° 17°/ 4°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy this evening, then becoming mostly clear. Lows in the upper 30s. North winds 5 to 10 mph.

Eastern Union, NJ

Tonight
Cloudy
45°7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
60°/ 38° 16°/ 3°
0%
Saturday
Sunny
62°/ 40° 17°/ 4°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the mid 40s. North winds 10 to 15 mph with gusts up to 25 mph.

Sandy Hook, NJ

Tonight
Mostly Cloudy
45°7°
0%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Sunny
58°/ 42° 14°/ 6°
0%
Saturday
Sunny
58°/ 45° 14°/ 7°
0%
Sunday
Sunny
62°/ 45° 17°/ 7°
0%
Monday
Sunny
65°/ 50° 18°/ 10°
0%
Tuesday
Sunny
62°/ 48° 17°/ 9°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly cloudy. Lows in the mid 40s. North winds 10 to 15 mph with gusts up to 25 mph.

Staten Island, NY

Tonight
Cloudy
48°9°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
58°/ 40° 14°/ 4°
0%
Saturday
Sunny
60°/ 42° 16°/ 6°
0%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
68°/ 50° 20°/ 10°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Lows in the upper 40s. North winds 15 to 20 mph.

Glassboro, NJ

Tonight
Cloudy
42°6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
62°/ 35° 17°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then clearing. Lows in the lower 40s. North winds around 5 mph.

Names listed above may include county names.

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