Briefing for Late June Heat Wave
An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Somerville, Somerset Airport (KSMQ)
Lat: 40.62°NLon: 74.67°WElev: 105ft.
Fair
88°F
31°C
| Humidity | 54% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.05 in (1017.5 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 8.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 21 Jun 4:53 pm EDT |
Extended Forecast for
Long Valley NJ
Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
Tonight
Low: 70 °F
Partly Cloudy
Sunday
High: 93 °F
Mostly Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 94 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 100. West wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Long Valley NJ
40.8°N 74.76°W (Elev. 600 ft)
40.8°N 74.76°W (Elev. 600 ft)
4:12 pm EDT Jun 21, 2025
5pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
