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 07:55 - next update at 08:00  
Summary / Temperature Wind Rain Outlook
Fog, Overcast Fog, Overcast
Currently: 35.8, Max: 41.2, Min: 34.0 35.8°F
Warmer 1.7°F than last hour.

Cold

Feels like: 36°F

24-hr difference
-2.6°FColder 2.6°F than yesterday at this time.
  Today Yesterday
High: 41.2°F
00:00
66.2°F
15:06
Low: 34°F
06:51
36.9°F
07:02
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 0 mph 00:00
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: 99 %  
Dew Point: 35.5°F Increased 1.7°F since last hour.
Barometer: 30.454 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
95%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
11 W/m2 (9 %)
High: 11 @  07:50
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 66 °F
NWS forecast: Sunny, with a high near 66. North 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.