New Jersey weather in October: Statewide normals and every place, NOAA 1991-2020

In October, New Jersey's statewide normal high is 66°F and normal low 45°F; normal highs run from 63°F in Andover to 71°F in Belleplain (NOAA 1991-2020 normals).

Statewide normal high
66°FOctober, 1991-2020
Statewide normal low
45°FOctober, 1991-2020
Statewide normal precipitation
4.19 inOctober
Warmest place
71°Fnormal high, Belleplain
Coolest place
63°Fnormal high, Andover

Where is New Jersey warmest and wettest in October?

Belleplain has the warmest October afternoons (71°F) and Andover the coolest (63°F). Belvidere gets the most precipitation (4.75 in) and Somerville the least (3.67 in).

Statewide, October averaged 61.0°F in 2021, 54.0°F in 2022, 58.4°F in 2023, 57.4°F in 2024, 56.1°F in 2025, against a 1991-2020 normal of 55.4°F.

New Jersey in October: normal high, low, precipitation and snow by place (largest first)
PlaceHighLowPrecip.Snow
Newark66°F49°F3.790.2
Toms River67°F42°F4.54–
Trenton66°F46°F3.790.1
New Brunswick67°F44°F4.110.2
Plainfield66°F46°F4.310.0
Atlantic City68°F46°F4.140.0
Long Branch66°F47°F4.71–
Millville67°F45°F3.82–
Glassboro67°F46°F––
Harrison66°F48°F4.150.2
Phillipsburg65°F44°F4.48–
Hammonton67°F45°F4.270.0
Moorestown-Lenola68°F47°F4.13–
Somerville66°F42°F3.67–
Freehold67°F44°F4.13–
Wanaque64°F43°F4.37–
Caldwell65°F45°F3.97–
Boonton64°F42°F4.54–
Newton64°F41°F––
Hightstown66°F42°F3.980.0
Flemington65°F42°F4.460.0
Lambertville68°F40°F4.260.0
Woodstown69°F47°F3.920.0
Cape May68°F51°F4.170.0
Belvidere64°F40°F4.750.0
Essex Fells65°F43°F4.31–
Sussex64°F40°F4.23–
Cranford66°F47°F4.400.0
Estell Manor67°F44°F4.530.0
Seabrook Farms67°F47°F4.000.0
Belleplain71°F44°F––
Andover63°F42°F4.64–
Teterboro67°F48°F3.73–
Brant Beach-Beach Haven66°F51°F3.810.0
Canoe Brook66°F44°F4.580.0
Charlotteburg Reservoir63°F41°F4.97–
Indian Mills (2 mi W)67°F44°F4.350.0
Little Falls65°F44°F––
Margate67°F52°F––
Mount Holly S Jersey Airport66°F46°F3.67–
Pennsauken (1 mi N)66°F47°F4.07–
Philadelphia/Mount Holly Weather Office64°F45°F3.820.1
Wertsville (4 mi NE)65°F44°F4.440.0

Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.

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