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 19:45 - next update at 19:50  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 51.4, Max: 68.7, Min: 34.0 51.4°F
Colder 4.2°F than last hour.

Cool

Feels like: 51°F

24-hr difference
1.4°FWarmer 1.4°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
 Calm
0
Gust:
0 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.
Friday

Friday: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 88 % Increased 8.0% since last hour.
Dew Point: 47.9°F Decreased 1.4°F since last hour.
Barometer: 30.272 inHg Rising 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
97%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.0 @ 11:38
0 W/m2 (0 %)
High: 820 @  12:39
 NWS Weather Forecast  - Outlook: Tonight & Friday
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 38 °F
NWS forecast: Mostly cloudy, with a low around 38. North wind around 0 mph.
 
Friday

Friday: Mostly Cloudy
Mostly Cloudy

Hi 67 °F
NWS forecast: Mostly cloudy, with a high near 67. North wind 0 to 15 mph, with gusts as high as 25 mph.