Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

A cold front will cross the area through this evening, helping to bring an end to high temperatures and humidity. Isolated thunderstorms will be possible with the front, mainly across southern New Hampshire. Temperatures and humidity continue to decrease tomorrow, with fair weather. Low pressure crosses south of New England late Monday through Tuesday, bringing the next chance for rain.
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Updated: @ 07/05/2026 00:45 - next update at 00:50  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 63.8, Max: 65.5, Min: 63.7 63.8°F
Colder 2.9°F than last hour.

Comfortable

Feels like: 64°F

24-hr difference
-8.9°FColder 8.9°F than yesterday at this time.
  Today Yesterday
High: 65.5°F
00:00
87.4°F
12:51
Low: 63.7°F
00:42
65.5°F
23:58
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 1 mph 00:17
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.
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Humidity & Barometer Almanac Moon
Humidity: 92 % Increased 5.0% since last hour.
Dew Point: 61.4°F Decreased 1.3°F since last hour.
Barometer: 29.854 inHg Rising 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
76%
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: Tonight & Sunday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 60 °F
NWS forecast: Partly cloudy, with a low around 60. West wind around 0 mph.
 
Sunday

Sunday: Mostly Sunny
Mostly Sunny

Hi 85 °F
NWS forecast: Mostly sunny, with a high near 85. Southwest wind 0 to 5 mph.