Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

Fair weather continues tonight and Monday. The next chance for rain arrives Monday evening through Tuesday, mainly across the southern half of New Hampshire and far southern Maine. Temperatures warm during the latter part of the work week with elevated humidity returning Friday into the weekend as well.
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Updated: @ 07/05/2026 16:10 - next update at 16:15  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.5, Max: 84.0, Min: 56.1 80.5°F
Colder 2.5°F than last hour.

Warm

Feels like: 80°F

24-hr difference
4.6°FWarmer 4.6°F than yesterday at this time.
  Today Yesterday
High: 84°F
15:22
87.4°F
12:51
Low: 56.1°F
05:28
65.5°F
23:58
 Wind from SE SE
1
Gust:
2 mph
0 Bft - Calm
Today: 4 mph 10:48
Gust Month: 17 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.01 in
Storm Rain: 0 in
This Month: 0.03 in
Season Total: 15.8 in
2 rain days in July.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 57 % Increased 9.0% since last hour.
Dew Point: 64°F Increased 2.5°F since last hour.
Barometer: 29.88 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:13
Sunset: 20:29
Moonset: 10:46
Moonrise: 23:27
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
70%
Illuminated
UV Index Solar Radiation
   0.7     Low 
High: 7.0 @ 11:10
103 W/m2 (15 %)
High: 812 @  11:39
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 84 °F
NWS forecast: Mostly sunny, with a high near 84. Northeast wind 0 to 5 mph.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 58 °F
NWS forecast: Mostly cloudy, with a low around 58. East wind 0 to 5 mph.