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

Flood Watch in effect from July 31, 02:00 PM EDT until August 1, 06:00 AM EDT

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

74°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	29.94 in (1013.8 mb)
Dewpoint	74°F (23°C)
Visibility	5.00 mi
Last update	31 Jul 2:53 am EDT

More Information:

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

Extended Forecast for

Chester NJ

Flood Watch July 31, 02:00pm until August 1, 06:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 71 °F
Partly Cloudy
Thursday
High: 81 °F
Chance
T-storms then
Heavy Rain
Thursday Night
Low: 61 °F
Heavy Rain
Friday
High: 68 °F
Showers
Friday Night
Low: 57 °F
Chance
Showers
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear
Sunday
High: 81 °F
Sunny
Sunday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 71. Calm wind.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 81. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 68. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 77.

Saturday Night

Mostly clear, with a low around 55.

Sunday

Sunny, with a high near 81.

Sunday Night

Partly cloudy, with a low around 59.

Monday

Mostly sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 61.