Weather in South Bound Brook

14-day forecast · updated today, Wednesday, October 28, at 7:03 pm (EDT)

Now · mainly clear 54 °F

Feels like: 52 °F
Low / high: 39 / 64 °F
Rain: 0%
Wind: 4 mph ENE

→ 30.37 inHg · steady

Today in South Bound Brook: overcast, 39 °F to 64 °F, with a 0% chance of rain and a light breeze from the east-northeast (4 mph). Tomorrow, partly cloudy, 42 °F to 70 °F and a 2% chance of rain. The warmest day of the week is Friday 30, at 70 °F. Next likely rain: Tuesday 3 (13%).

Temperatures for the next 14 days

64° 39°
Today
70° 42°
Thu 29
70° 48°
Fri 30
63° 39°
Sat 31
65° 38°
Sun 1
68° 42°
Mon 2
69° 46°
Tue 3
68° 48°
Wed 4
67° 50°
Thu 5
66° 51°
Fri 6
62° 45°
Sat 7
60° 40°
Sun 8
57° 35°
Mon 9
56° 37°
Tue 10

Day by day

Day	Sky	Low / high	Rain	Max wind	High tides	Model
Today · 28	Overcast	39 / 64 °F	0%	6 mph ESE	10:18 am · 10:43 pm	HRRR
Thu 29	Partly cloudy	42 / 70 °F	2%	9 mph WSW	11:03 am · 11:39 pm	HRRR + NBM
Fri 30	Partly cloudy	48 / 70 °F	3%	9 mph WNW	12:01 pm	NBM
Sat 31	Overcast	39 / 63 °F	0%	4 mph NNW	12:48 am · 1:15 pm	NBM
Sun 1	Overcast	38 / 65 °F	1%	2 mph SW	1:00 am · 1:28 pm	NBM
Mon 2	Partly cloudy	42 / 68 °F	7%	3 mph SW	2:07 am · 2:34 pm	NBM
Tue 3	Overcast	46 / 69 °F	13% · 0.04 in	3 mph ESE	3:07 am · 3:33 pm	NBM
Wed 4	Partly cloudy	48 / 68 °F	19% · 0.68 in	6 mph ESE	4:02 am · 4:28 pm	NBM
Thu 5	Overcast	50 / 67 °F	43% · 1.06 in	7 mph ESE	4:56 am · 5:23 pm	NBM
Fri 6	Light rain	51 / 66 °F	43% · 0.58 in	6 mph W	5:49 am · 6:14 pm	NBM
Sat 7	Light rain	45 / 62 °F	24% · 0.11 in	6 mph NW	6:38 am · 7:01 pm	NBM
Sun 8	Partly cloudy	40 / 60 °F	14% · 0.03 in	5 mph NW	7:21 am · 7:44 pm	NBM + ECMWF
Mon 9	Clear sky	35 / 57 °F	16%	4 mph N	8:00 am · 8:23 pm	ECMWF
Tue 10	Overcast	37 / 56 °F	16%	4 mph ENE	8:34 am · 8:59 pm	ECMWF

Each hour comes from the best model for this spot: HRRR until Thursday 29 2:00 pm; then NBM until Sunday 8 2:00 pm; then ECMWF until Thursday 12 10:00 am; then GFS.

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Sky	Clear	Clear	Clear	Mainly clear	Mainly clear	Overcast	Partly cloudy	Clear
Temperature	45°	42°	40°	46°	60°	63°	58°	51°
Chance of rain	0%	0%	0%	0%	0%	0%	0%	0%
Rain	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in
Wind (mph)	2 ESE	2 SW	1 ESE	2 E	3 ESE	6 SSE	5 E	5 E
Humidity	83%	81%	66%	62%	43%	43%	64%	85%
UV	0	0	0	1	4	2	0	0
Model	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR

Do the models agree?

High confidence

The models agree for the next few days: the forecast is fairly solid.

What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.

HighRainWind

Do the models agree? · High
High (°F)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	62°	70°	70°	59°	64°	68°	71°
AIFS	64°	70°	72°	61°	63°	69°	73°
GFS	62°	69°	69°	60°	64°	64°	67°
ICON	63°	68°	71°	60°	65°	73°	72°
HRRR	64°	68°	—	—	—	—	—
NBM	65°	70°	70°	63°	65°	68°	69°
Confidence	high	high	high	high	high	high	high

Do the models agree? · Rain
Rain	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	0	0	0	0	0	0	0
AIFS	0	0	0	0	0	0	0
GFS	0	0	0	0	0	0	0
ICON	0	0	0	0	0	0	0
HRRR	0	0	—	—	—	—	—
NBM	0	0	0	0	0	0	0.04 in
Confidence	high	high	high	high	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	412	819	1124	615	616	423	817
AIFS	6	8	11	6	5	6	6
GFS	611	922	1226	822	615	510	614
ICON	411	718	1024	515	617	617	1026
HRRR	610	1016	—	—	—	—	—
NBM	37	513	919	49	27	39	311
Confidence	high	high	high	high	high	high	high

Chance of rain from the ensemble models

Model	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF (51 scenarios)	0%	2%	0%	0%	0%	2%	2%
GFS (GEFS, 31 scenarios)	0%	0%	0%	0%	1%	29%	48%
NBM (NOAA)	0%	2%	3%	0%	1%	7%	13%
Thunderstorm (NBM)	0%	0%	1%	0%	0%	0%	1%

Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.

Outlook

How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.

Next few weeks, compared with normal: warmer and a bit wetter.

Next 6 weeks

When	TemperatureTemp.	Rain	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	Well above +7.9 °F	Above +60%	—
Nov 9 – Nov 15Nov 9–Nov 15	A bit above +0.9 °F	Normal	54° / 40°
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +2.5 °F	Normal	53° / 40°
Nov 23 – Nov 29Nov 23–Nov 29	Above +2.7 °F	A bit above +39%	50° / 40°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +2.0 °F	A bit above +32%	48° / 37°

Coming months

When	TemperatureTemp.	Rain
November	A bit above +1.3 °F	A bit above +25%
December	A bit above +2.5 °F	A bit above +35%
January	Above +3.6 °F	A bit above +48%
February	A bit above +2.3 °F	A bit above +36%
March	Above +2.7 °F	A bit above +33%

Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give.

South Bound Brook climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit South Bound Brook is from May to September: highs of 74 °F to 87 °F, about 9 rainy days a month and 7 hours of sunshine a day.

Hurricane season: from July to September, peaking in July. In the last 30 years (1996–2025), 7 tropical cyclones passed within 93 mi of South Bound Brook, about 2 every 10 years. The most recent: Elsa, in July 2021.

40° 22°

JanJ
43° 24°

FebF
52° 31°

MarM
64° 40°

AprA
74° 50°

MayM
83° 59°

JunJ
87° 64°

JulJ
85° 63°

AugA
79° 56°

SepS
67° 44°

OctO
55° 35°

NovN
45° 28°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Cyclones
JanuaryJan	40°	22°	3.63 in	7	3.4	43°	–
FebruaryFeb	43°	24°	2.82 in	7	5.0	40°	–
MarchMar	52°	31°	4.11 in	9	5.6	41°	–
AprilApr	64°	40°	3.68 in	9	5.9	46°	–
MayMay	74°	50°	3.79 in	9	6.6	55°	–
JuneJun	83°	59°	4.72 in	10	7.2	65°	–
JulyJul	87°	64°	4.97 in	10	7.5	72°	3
AugustAug	85°	63°	4.20 in	10	6.7	73°	2
SeptemberSep	79°	56°	4.42 in	8	5.9	70°	2
OctoberOct	67°	44°	4.05 in	7	4.7	63°	–
NovemberNov	55°	35°	3.40 in	7	3.9	55°	–
DecemberDec	45°	28°	4.08 in	8	3.3	48°	–

Month	Water	Cyclones
Jan	43°	–
Feb	40°	–
Mar	41°	–
Apr	46°	–
May	55°	–
Jun	65°	–
Jul	72°	3
Aug	73°	2
Sep	70°	2
Oct	63°	–
Nov	55°	–
Dec	48°	–

Days: rainy days in the month. Sun: hours a day.

A normal year brings 47.88 in of rain on about 101 days and about 2,000 hours of sunshine.

Cyclones: how many tropical cyclones (tropical storms, hurricanes and typhoons) passed within 93 mi in each month from 1996 to 2025, according to IBTrACS (NOAA).

1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses

Temperature

Now54 °Ffeels like 52 °F

Tomorrow42 / 70 °F

It's 54 °F now (feels like 52 °F). Today, 39 °F to 64 °F; tomorrow, 42 °F to 70 °F.

Chance of rain

Today 0%
Thu 29 2%
Fri 30 3%
Sat 31 0%
Sun 1 1%
Mon 2 7%
Tue 3 13% 0.04 in

Today the chance of rain reaches 0%. The next day with likely rain is Tuesday 3: 13% and 0.04 in.

No rain in the last 7 days.

Humidity and dew point

Humidity80%

Dew point49 °F

Humidity is 80% now and the dew point is 49 °F.

The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.

Visibility and fog

Now11 migood

Clouds23%

Visibility is good now (11 mi). No fog expected today.

UV index

Now0

Today's peak4moderate

Thu 29: 3 · Fri 30: 3 · Sat 31: 3

Index	Level	What to do
0–2	low	No special protection needed.
3–5	moderate	Hat, sunglasses and sunscreen around midday.
6–7	high	Sunscreen, hat and shade between 12 and 4 pm.
8–10	very high	Avoid the midday sun; reflection off the water adds to it.
11+	extreme	Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.

Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.

Barometric pressure

↗ Rising Anglers say fish bite less for a while
→ Steady · now Anglers expect normal activity
↘ Falling Anglers say fish feed more before the change

30.2030.40 30.05

Steady now (+0.00 inHg in 3 hours). Over the next 48 hours: −0.19 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityModerate · 64

Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

Day	Sky	Low / high	Max wind
Tue 27	Mainly clear	49 / 63 °F	7 mph NE
Mon 26	Clear sky	40 / 70 °F	7 mph W
Sun 25	Clear sky	36 / 66 °F	4 mph W
Sat 24	Overcast	37 / 62 °F	4 mph NW
Fri 23	Overcast	46 / 61 °F	11 mph NNE
Thu 22	Overcast	43 / 68 °F	8 mph NNW
Wed 21	Overcast	47 / 64 °F	10 mph NNE

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Tue 20	Clear sky	46 / 68 °F	0	10 mph NNE
Mon 19	Clear sky	38 / 64 °F	0	4 mph NNE
Sun 18	Clear sky	37 / 58 °F	0	9 mph N
Sat 17	Drizzle	44 / 62 °F	0.08 in	12 mph NNW
Fri 16	Heavy drizzle	57 / 74 °F	0.34 in	11 mph SSW
Thu 15	Overcast	54 / 67 °F	0	10 mph NE
Wed 14	Light drizzle	64 / 78 °F	0.01 in	9 mph WSW
Tue 13	Mainly clear	53 / 76 °F	0	9 mph SSW
Mon 12	Light drizzle	54 / 72 °F	0.05 in	10 mph NNW
Sun 11	Rain	56 / 60 °F	2.20 in	17 mph ENE
Sat 10	Overcast	49 / 70 °F	0	7 mph ENE
Fri 9	Overcast	47 / 73 °F	0	12 mph W
Thu 8	Partly cloudy	54 / 75 °F	0	12 mph W
Wed 7	Clear sky	42 / 67 °F	0	8 mph SSW
Tue 6	Clear sky	47 / 63 °F	0	7 mph NW
Mon 5	Overcast	54 / 70 °F	0	13 mph WNW
Sun 4	Drizzle	57 / 60 °F	0.12 in	8 mph NE
Sat 3	Overcast	59 / 72 °F	0	9 mph NE
Fri 2	Light drizzle	66 / 84 °F	0.04 in	10 mph WSW
Thu 1	Overcast	63 / 78 °F	0	7 mph SW
Wed 30	Overcast	56 / 75 °F	0	5 mph W
Tue 29	Overcast	60 / 72 °F	0	8 mph WNW
Mon 28	Heavy drizzle	59 / 65 °F	0.21 in	13 mph NNE

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the weather in South Bound BrookQuestions

What's the weather like today in South Bound Brook?

Overcast, from 39 °F to 64 °F, with a light breeze from the east-northeast (4 mph) and a 0% chance of rain.

Will it rain tomorrow in South Bound Brook?

On Thursday 29 the chance of rain is 2% (0.00 in): partly cloudy.

How warm will it be this week?

Between a low of 38 °F and a high of 70 °F; the warmest day, Friday 30.

What's the UV index today?

It reaches 4 (moderate). Hat, sunglasses and sunscreen around midday.

Is the pressure rising or falling?

It's 30.37 inHg and steady: +0.02 inHg over the last 24 hours.

When is the best time to visit South Bound Brook?

The best time to visit South Bound Brook is from May to September: highs of 74 °F to 87 °F, about 9 rainy days a month and 7 hours of sunshine a day.

What is the weather like in South Bound Brook in October?

In October, South Bound Brook normally sees highs of 67 °F and lows of 44 °F, with about 7 rainy days (4.05 in for the month) and 5 hours of sunshine a day. The sea is around 63 °F. These are 1991–2020 averages.

What are the warmest and wettest months in South Bound Brook?

The warmest is July, with average highs of 87 °F, and the coldest January, with lows of 22 °F. The wettest is July (4.97 in) and the driest, February.

When is hurricane season in South Bound Brook?

Hurricane season: from July to September, peaking in July. In the last 30 years (1996–2025), 7 tropical cyclones passed within 93 mi of South Bound Brook, about 2 every 10 years. The most recent: Elsa, in July 2021.

More about South Bound Brook today

Weather near South Bound Brook

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 4.0 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 7:03 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from