Briefing for Heat and Severe Storm Risks through Today

Hot and very humid conditions are expected today. There is also a threat of isolated severe thunderstorms. See this briefing for details on these hazards. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 17, 10:00 AM EDT until July 17, 08:00 PM EDT

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

76°F

24°C

Humidity	94%
Wind Speed	SW 7 mph
Barometer	29.91 in (1011.9 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	17 Jul 8:53 am EDT

More Information:

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

Extended Forecast for

Fairless Hills PA

Heat Advisory July 17, 10:00am until July 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 72 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 87 °F
Chance
Showers
Saturday Night
Low: 72 °F
Showers
Likely
Sunday
High: 87 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 102. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 72. Northwest wind 5 to 10 mph.

Friday

Sunny, with a high near 85. Northwest wind around 5 mph.

Friday Night

Partly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.

Saturday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday 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 and thunderstorms after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 66.