Briefing for Heat, Severe Storm, and Flash Flood Risks through Thursday

Dangerously hot and humid conditions are expected through Wednesday. There is also a threat of isolated severe thunderstorms on Wednesday. Flash flooding from locally heavy rainfall is possible on Thursday. See this briefing for details on these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

69°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	29.99 in (1015.4 mb)
Dewpoint	69°F (21°C)
Visibility	5.00 mi
Last update	29 Jul 5:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Manville NJ

Heat Advisory July 29, 06:31am until July 30, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 29, 06:31am until July 30, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Today
High: 99 °F
Hot
Tonight
Low: 73 °F
Mostly Clear
Wednesday
High: 98 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 85 °F
Chance
Showers then
Heavy Rain
Thursday Night
Low: 65 °F
Heavy Rain
Friday
High: 75 °F
Showers
Likely
Friday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Today

Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming west around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 73. Calm wind.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 65. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Friday

Showers likely, mainly before 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

Friday Night

Partly cloudy, with a low around 60.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 58.

Sunday

Sunny, with a high near 84.

Sunday Night

Mostly clear, with a low around 60.