Extreme Heat Warning EXTREME HEAT WARNING - Belknap  - Caroll N  - Caroll S  - Cheshire/Keene  - Concord/Merrimack  - Grafton N  - Grafton S  - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham  - Strafford  - Sullivan
Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

The heat wave continues. The heat and humidity will provide fuel for isolated thunderstorms this afternoon and tonight. Placement, timing, and coverage of storms remains variable. The main hazards with any severe storm would be damaging winds and hail.
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Updated: @ 07/03/2026 09:55 - next update at 10:00  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 86.3, Max: 86.4, Min: 70.7 86.3°F
Warmer 2.2°F than last hour.

Warm

Feels like: 92°F

24-hr difference
0.5°FWarmer 0.5°F than yesterday at this time.
  Today Yesterday
High: 86.4°F
09:52
95.5°F
15:02
Low: 70.7°F
05:02
70.2°F
05:48
 Wind from N N
2
Gust:
4 mph
1 Bft - Light air
Today: 9 mph 09:21
Gust Month: 10 mph July 02
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
Storm Rain: 0 in
This Month: 0.02 in
Season Total: 15.79 in
1 rain day in July.
Tonight

Tonight: Scattered Showers And Thunderstorms then Partly Cloudy
Scattered Showers And T-Storms then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 61 % Decreased 7.0% since last hour.
Dew Point: 71.4°F Decreased 1.0°F since last hour.
Barometer: 29.79 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:12
Sunset: 20:30
Moonset: 08:33
Moonrise: 22:48
Waning Gibbous
Waning Gibbous, Moon at 17 days in cycle
88%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
56 W/m2 (8 %)
High: 70 @  09:54
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 98 °F
NWS forecast: Sunny, with a high near 98. Heat index values as high as 101. Northwest wind 5 to 10 mph.
 
Tonight

Tonight: Scattered Showers And Thunderstorms then Partly Cloudy
Scattered Showers And T-Storms then Partly Cloudy

Lo 68 °F
NWS forecast: Scattered showers and thunderstorms between 9pm and midnight. Partly cloudy, with a low around 68. Heat index values as high as 95. West wind 0 to 10 mph. Chance of precipitation is 30%.