South Brunswick, NJ Weather Forecast | 5 Day
Updated: Tue Sep 15th 2026 9:30 AM EDT
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Sunny
Tue 9-15-26
Sunny with a high of 74°F and a low of 56°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 7mph and gusts of 15.9mph at 2 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 71% at 11 PM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 30.41inHg at 10 AM, a lowest point of 30.32inHg at 6 PM with an avg 30.36inHg.
- HI: 74°F
- LO: 56°F
- Rainfall: 3%
- Snowfall: 0%
- Wind
6.9 mph - Humidity
53% avg. - UV Index
6.5 - Air QualityGood
- Sunrise
06:39 AM - Sunset
07:07 PM - Moonrise
11:48 AM - Moonset
09:13 PM - Moon Phase
Waxing Crescent
Sunny
Weather Tomorrow, Wed 9-16-26
Sunny with a high of 79°F and a low of 59°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 6mph and gusts of 13.9mph at 11 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 81% at 6 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 30.4inHg at 11 AM, a lowest point of 30.29inHg at 5 PM with an avg 30.35inHg.
- HI: 79°F
- LO: 59°F
- Rainfall: 8%
- Snowfall: 0%
- Wind
5.8 mph - Humidity
65% avg. - UV Index
6.7 - Air QualityModerate
- Sunrise
06:40 AM - Sunset
07:06 PM - Moonrise
12:57 PM - Moonset
09:54 PM - Moon Phase
First Quarter
Sunny
Thu 9-17-26
Sunny with a high of 84°F and a low of 64°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 16.3mph at 10 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 82% at 6 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 30.31inHg at 12 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.21inHg.
- HI: 84°F
- LO: 64°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
8.7 mph - Humidity
63% avg. - UV Index
7 - Air QualityGood
- Sunrise
06:41 AM - Sunset
07:04 PM - Moonrise
01:59 PM - Moonset
10:42 PM - Moon Phase
First Quarter
Overcast
Fri 9-18-26
Overcast with a high of 81°F and a low of 68°F. There might be light rainfall having a 19% chance with an estimated 0in. Winds will be light at 8mph and gusts of 17.3mph at 7 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 85% at 7 AM and 38% being its lowest at 4 PM. Barometric pressure is its highest of 30.19inHg at 11 PM, a lowest point of 30.1inHg at 5 AM with an avg 30.14inHg.
- HI: 81°F
- LO: 68°F
- Rainfall: 19% | est. 0in
- Snowfall: 0%
- Wind
7.6 mph - Humidity
64% avg. - UV Index
6 - Air QualityGood
- Sunrise
06:42 AM - Sunset
07:02 PM - Moonrise
02:54 PM - Moonset
11:37 PM - Moon Phase
First Quarter
Scattered Showers
Sat 9-19-26
Scattered Showers with a high of 82°F and a low of 65°F. There might be light rainfall having a 24% chance with an estimated 0.01in. Winds will be light at 9mph and gusts of 22.2mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 87% at 5 AM and 45% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 9 AM, a lowest point of 29.97inHg at 11 PM with an avg 30.11inHg.
- HI: 82°F
- LO: 65°F
- Rainfall: 24% | est. 0.01in
- Snowfall: 0%
- Wind
8.5 mph - Humidity
67% avg. - UV Index
6 - Air QualityGood
- Sunrise
06:42 AM - Sunset
07:01 PM - Moonrise
03:39 PM - Moonset
Does not set today - Moon Phase
First Quarter
Light Rain Shower
Sun 9-20-26
Light Rain Shower with a high of 91°F and a low of 68°F. Rainfall expected to have a 64% chance with an estimated 0.1in. Wind will be moderate, blowing around 13mph on average and gusts of 26.6mph at 2 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 98% at 5 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.79inHg at 2 PM with an avg 29.86inHg.
- HI: 91°F
- LO: 68°F
- Rainfall: 64% | est. 0.1in
- Snowfall: 0%
- Wind
12.8 mph - Humidity
75% avg. - UV Index
8 - Air QualityTBA
- Sunrise
06:43 AM - Sunset
06:59 PM - Moonrise
04:17 PM - Moonset
12:36 AM - Moon Phase
Waxing Gibbous
Currently
|
63°F |
30.4 inHg.
Barometer 55%
Humidity ENE 10.8 mph Wind |
| Sunny | ||
National Outlook
Rain and Storms in the West, Heat Persists in the South - 09-14 to 09-16
Mon Sep 14th 2026, 5:26am PDT
Read
Changing Weather Patterns Bring Rain and Storms: 09-16 to 09-20
Extended Forecast
Mon Sep 14th 2026, 5:30am PDT
Read
Mon Sep 14th 2026, 5:30am PDT
5 Day Forecast Nearby
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