Current weather conditions in Contoocook, NH USA

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Hillsborough
 Details for Hillsborough Heat Advisory
 Nashua
 Details for Nashua Heat Advisory
 Portsmouth Seacoast
 Details for Portsmouth Seacoast Heat Advisory
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Heat Advisory HEAT ADVISORY - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham
Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

A cold front will cross the area today helping to bring a downward trend in temperatures and humidity. Isolated thunderstorms will be possible with the front, mainly across southern New Hampshire. Temperatures and humidity continue to decrease Sunday with fair weather. Low pressure crossing southern New England late Monday through Tuesday will bring the next chance for rain.
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Updated: @ 07/04/2026 08:40 - next update at 08:45  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.1, Max: 80.8, Min: 67.5 80.1°F
Warmer 5.6°F than last hour.

Warm

Feels like: 80°F

24-hr difference
-1.6°FColder 1.6°F than yesterday at this time.
  Today Yesterday
High: 80.8°F
08:39 		93.7°F
14:23
Low: 67.5°F
05:32 		70.7°F
05:02
Wind from SW SW
0
Gust:
 1 mph
0 Bft - Calm
Today: 1 mph 00:46
Gust Month: 14 mph July 03
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.02 in
Season Total: 15.79 in
1 rain day in July.
Tonight

Tonight: Isolated Showers And Thunderstorms then Mostly Cloudy
Isolated Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 78 % Decreased 10.0% since last hour.
Dew Point: 72.6°F Increased 2.0°F since last hour.
Barometer: 29.738 inHg  
Baro Trend: Steady
Sunrise: 05:12
Sunset: 20:30
Moonset: 09:40
Moonrise: 23:08
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
82%
Illuminated
UV Index Solar Radiation
   1.0     Low 
High: 1.0 @ 08:35
100 W/m2 (20 %)
High: 101 @  08:35
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Isolated Rain Showers then Isolated Showers And Thunderstorms
Isolated Rain Showers then Isolated Showers And T-Storms

Hi 91 °F		 NWS forecast: Isolated rain showers between 11am and 2pm, then isolated showers and thunderstorms. Mostly sunny. High near 91, with temperatures falling to around 84 in the afternoon. West wind 0 to 10 mph. Chance of precipitation is 20%.
 
Tonight

Tonight: Isolated Showers And Thunderstorms then Mostly Cloudy
Isolated Showers And T-Storms then Mostly Cloudy

Lo 60 °F		 NWS forecast: Isolated showers and thunderstorms before 7pm. Mostly cloudy, with a low around 60. Northwest wind 0 to 10 mph. Chance of precipitation is 20%.