Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62° N Lon: 74.67° W Elev: 105 ft.

Fair

66°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 30.07 in (1018.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 7:53 pm EDT
Detailed forecast for

Middlesex County

Tonight
Partly cloudy. Cooler with lows in the upper 50s. North winds 5 to 10 mph.
Saturday
Mostly sunny. Not as warm with highs in the lower 70s. East winds 5 to 10 mph.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Sunday
Cloudy. Patchy fog in the morning. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
Sunday Night
Showers. Patchy fog. Locally heavy rainfall possible in the evening. Humid with lows around 60. South winds 5 to 10 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 90 percent.
Monday
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 60s.
Monday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the mid 50s.
Tuesday
Mostly cloudy with a 40 percent chance of showers. Highs in the mid 60s.
Tuesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
Wednesday
Mostly cloudy with a 30 percent chance of showers. Highs in the lower 60s.
Wednesday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s.
Thursday
Mostly cloudy with a chance of showers. Highs in the lower 60s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40 percent.
Friday
Partly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.



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400 PM EDT Fri Sep 18 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database