Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

High pressure builds in today for fair weather with lower temperatures and humidity levels. Low pressure crosses south of New England late Monday through Tuesday, bringing the next chance for rain. High pressure returns mid week with heat and humidity building for the second half of the week.
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Updated: @ 07/05/2026 15:25 - next update at 15:30  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 83.8, Max: 84.0, Min: 56.1 83.8°F
Warmer 0.9°F than last hour.

Warm

Feels like: 84°F

24-hr difference
9.5°FWarmer 9.5°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 ESE ESE
1
Gust:
3 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: 47 %  
Dew Point: 61.7°F Increased 0.9°F since last hour.
Barometer: 29.883 inHg  
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
71%
Illuminated
UV Index Solar Radiation
   1.0     Low 
High: 7.0 @ 11:10
134 W/m2 (17 %)
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.