Heat Advisory HEAT ADVISORY - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham

Heat and humidity build through late week and persist through the weekend as a subtropical ridge of high pressure drives the weather pattern for New England. There will be daily chances for storms Thursday through Saturday. Coverage will be limited while there is potential for a few strong storms and localized torrential rainfall.
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Updated: @ 08/06/2026 03:55 - next update at 04:00  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 65.8, Max: 68.7, Min: 65.8 65.8°F
Colder 0.3°F than last hour.

Comfortable

Feels like: 66°F

24-hr difference
9.4°FWarmer 9.4°F than yesterday at this time.
  Today Yesterday
High: 68.7°F
00:05
86.4°F
14:59
Low: 65.8°F
03:12
55°F
05:44
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 0 mph 00:00
Gust Month: 13 mph August 03
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 2.59 in
Season Total: 20.13 in
1 rain day in August.
Thursday

Thursday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 97 %  
Dew Point: 65°F Decreased 0.3°F since last hour.
Barometer: 29.998 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:42
Sunset: 20:02
Moonset: 14:39
Moonrise: 23:42
Waning Crescent
Waning Crescent, Moon at 21 days in cycle
47%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
0 W/m2 (0 %)
High: 0 @  00:00
 NWS Weather Forecast  - Outlook: Overnight & Thursday
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy

Lo 64 °F
NWS forecast: Mostly cloudy, with a low around 64. South wind around 0 mph.
 
Thursday

Thursday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms

Hi 89 °F
NWS forecast: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.