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 10:50 - next update at 10:55  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 59.8, Max: 60.1, Min: 34.0 59.8°F
Warmer 10.2°F than last hour.

Cool

Feels like: 60°F

24-hr difference
0.4°FWarmer 0.4°F than yesterday at this time.
  Today Yesterday
High: 60.1°F
10:49
66.2°F
15:06
Low: 34°F
06:51
36.9°F
07:02
 Wind from NNE NNE
1
Gust:
4 mph
0 Bft - Calm
Today: 4 mph 10:24
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: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 67 % Decreased 32.0% since last hour.
Dew Point: 48.6°F Decreased 0.8°F since last hour.
Barometer: 30.411 inHg Falling 0.02  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
95%
Illuminated
UV Index Solar Radiation
   4.0     Medium 
High: 5.0 @ 10:47
457 W/m2 (75 %)
High: 547 @  10:48
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 66 °F
NWS forecast: Sunny, with a high near 66. Northeast wind 0 to 5 mph.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 42 °F
NWS forecast: Partly cloudy, with a low around 42. North wind 0 to 5 mph.