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
Heat Advisory HEAT ADVISORY - Coos North  - Coos South  - Grafton N  - Grafton S
Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

Heat continues to build into Thursday, and then linger into at least Friday. Overall the heat remains on track, with minor tweaks to temperatures and heat indices over the next few days. Heat and humidity will provide fuel for thunderstorms through Thursday with storms possible during the day and overnight. Placement, timing, and coverage of storms remains variable. The main hazards with any severe storms are damaging winds and hail.
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Updated: @ 07/01/2026 18:30 - next update at 18:35  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 89.8, Max: 93.6, Min: 68.2 89.8°F
Colder 2.2°F than last hour.

Hot

Feels like: 102°F

24-hr difference
16.4°FWarmer 16.4°F than yesterday at this time.
  Today Yesterday
High: 93.6°F
15:25
88.2°F
13:15
Low: 68.2°F
05:07
55.9°F
05:26
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 8 mph 12:00
Gust Month: 8 mph July 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.09 in
Storm Rain: 0.06 in
This Month: 0 in
Season Total: 15.78 in
1 day since last rain.
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 65 % Increased 6.0% since last hour.
Dew Point: 76.3°F Increased 0.9°F since last hour.
Barometer: 29.783 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:10
Sunset: 20:30
Moonset: 06:21
Moonrise: 22:00
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
97%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.0 @ 11:23
37 W/m2 (16 %)
High: 799 @  11:42
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 96 °F
NWS forecast: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 107. West wind around 5 mph. Chance of precipitation is 20%.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 72 °F
NWS forecast: Partly cloudy, with a low around 72. Heat index values as high as 102. Southwest wind 0 to 5 mph.