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Experimental National HeatRisk Forecasts

Hazardous Weather Conditions

Heat Advisory until June 20, 07:00 PM EDT

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

72°F

22°C

Humidity	NA
Wind Speed	Calm
Barometer	30.23 in (1023.9 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	20 Jun 4:56 am EDT

More Information:

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

Extended Forecast for

Tyngsboro MA

Heat Advisory June 20, 05:21am until June 20, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 20, 05:21am until June 20, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
Today
High: 99 °F
Partly Sunny
then
Scattered
Showers
Tonight
Low: 70 °F
Scattered
Showers then
Mostly Cloudy
Friday
High: 81 °F
Scattered
Showers then
Scattered
T-storms
Friday Night
Low: 63 °F
Showers
Likely
Saturday
High: 75 °F
Chance
Showers
Saturday Night
Low: 61 °F
Showers
Likely
Sunday
High: 88 °F
Chance
Showers
Sunday Night
Low: 69 °F
Showers
Likely

Detailed Forecast

Today

Scattered showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and midnight. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 81. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 63. Light east wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers. Cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%.

Saturday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Light east wind. Chance of precipitation is 60%.

Sunday

A chance of showers. Mostly cloudy, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

Showers likely, mainly before 3am. Mostly cloudy, with a low around 69. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Monday

Showers likely, mainly between 9am and 3pm. Partly sunny, with a high near 85. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Monday Night

A chance of showers before 10pm. Partly cloudy, with a low around 63. Northwest wind around 6 mph. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 87. Northwest wind around 6 mph.

Tuesday Night

Partly cloudy, with a low around 64. Light southwest wind.

Wednesday

Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.