Dangerous Heat and Humidity Today through Saturday

Dangerously hot and humid conditions are expected to build starting today through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair with Haze

96°F

36°C

Humidity	49%
Wind Speed	Calm
Barometer	29.92 in (1012.8 mb)
Dewpoint	74°F (23°C)
Visibility	6.00 mi
Heat Index	107°F (42°C)
Last update	1 Jul 5:53 pm EDT

More Information:

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

Extended Forecast for

Dayton NJ

Extreme Heat Warning July 1, 06:34pm until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 1, 06:34pm until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Tonight
Low: 76 °F
Severe
Thunderstorms
Thursday
High: 103 °F
Hot
Thursday Night
Low: 79 °F
Clear
Friday
High: 102 °F
Hot
Friday Night
Low: 76 °F
Slight Chance
T-storms then
Slight Chance
Showers
Independence Day
High: 98 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 94 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 76. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

Thursday

Sunny and hot, with a high near 103. Heat index values as high as 109. West wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Clear, with a low around 79. West wind around 5 mph.

Friday

Sunny and hot, with a high near 102. Heat index values as high as 109. West wind 5 to 10 mph.

Friday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Northwest wind around 5 mph. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Tuesday

Partly sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 66.

Wednesday

Mostly sunny, with a high near 88.