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

Temperatures and humidity increase Thursday and Friday when heat indices will climb into the low to mid 90s south of the mountains. A slow moving cold front will bring chances for storms Thursday and Friday with some possibly strong to severe. High pressure returns over the weekend, bringing slightly cooler temperatures and mostly dry weather.
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Updated: @ 07/08/2026 18:50 - next update at 18:55  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.0, Max: 85.6, Min: 56.5 80°F
Colder 3.7°F than last hour.

Warm

Feels like: 80°F

24-hr difference
13°FWarmer 13.0°F than yesterday at this time.
  Today Yesterday
High: 85.6°F
16:32
69.6°F
11:30
Low: 56.5°F
06:00
59.7°F
05:05
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 7 mph 16:58
Gust Month: 17 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.17 in
Storm Rain: 0 in
This Month: 0.19 in
Season Total: 15.97 in
3 rain days in July.
Thursday

Thursday: Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 59 % Increased 11.0% since last hour.
Dew Point: 64.4°F Increased 2.4°F since last hour.
Barometer: 29.79 inHg  
Baro Trend: Steady
Sunrise: 05:15
Sunset: 20:28
Moonrise: 00:08
Moonset: 14:18
Waning Crescent
Waning Crescent, Moon at 22 days in cycle
37%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.0 @ 11:25
36 W/m2 (22 %)
High: 806 @  11:40
 NWS Weather Forecast  - Outlook: Tonight & Thursday
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog

Lo 62 °F
NWS forecast: Patchy fog after midnight. Mostly clear, with a low around 62. Southwest wind 0 to 5 mph.
 
Thursday

Thursday: Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And T-Storms

Hi 89 °F
NWS forecast: Patchy fog before 8am, then a slight chance of showers and thunderstorms. Sunny, with a high near 89. West wind 0 to 5 mph. Chance of precipitation is 20%.