High Surf Advisory HIGH SURF ADVISORY - Portsmouth Seacoast  - Rockingham

High pressure remains in control of the weather pattern into Friday. A strong coastal storm will track near southern New England to end the week. Soaking rain, gusty winds, high surf, and coastal flooding are possible through the weekend.
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Updated: @ 09/24/2026 17:05 - next update at 17:10  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 64.9, Max: 68.7, Min: 34.0 64.9°F
Colder 0.9°F than last hour.

Comfortable

Feels like: 65°F

24-hr difference
3°FWarmer 3.0°F than yesterday at this time.
  Today Yesterday
High: 68.7°F
15:31
66.2°F
15:06
Low: 34°F
06:51
36.9°F
07:02
 Wind from W W
0
Gust:
1 mph
0 Bft - Calm
Today: 6 mph 12:21
Gust Month: 16 mph September 14
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 4.03 in
Season Total: 25.11 in
11 rain days in September.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 46 % Increased 3.0% since last hour.
Dew Point: 43.6°F Increased 1.0°F since last hour.
Barometer: 30.273 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 06:36
Sunset: 18:41
Moonset: 04:11
Moonrise: 17:43
Waxing Gibbous
Waxing Gibbous, Moon at 12 days in cycle
96%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.0 @ 11:38
19 W/m2 (11 %)
High: 820 @  12:39
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 66 °F
NWS forecast: Sunny, with a high near 66. Northeast wind around 5 mph.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 43 °F
NWS forecast: Mostly cloudy, with a low around 43. North wind 0 to 5 mph.