High Surf Advisory HIGH SURF ADVISORY - Portsmouth Seacoast  - Rockingham
Coastal Flood Watch COASTAL FLOOD WATCH - 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: @ 09/25/2026 02:45 - next update at 02:50  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 40.0, Max: 43.5, Min: 39.9 40°F
Colder 1.3°F than last hour.

Cold

Feels like: 40°F

24-hr difference
2.1°FWarmer 2.1°F than yesterday at this time.
  Today Yesterday
High: 43.5°F
00:00
68.7°F
15:31
Low: 39.9°F
02:42
34°F
06:51
 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.
Friday

Friday: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 99 %  
Dew Point: 39.8°F Decreased 1.3°F since last hour.
Barometer: 30.21 inHg Falling 0.03  inHg/hr
Baro Trend: Steady
Sunrise: 06:37
Sunset: 18:39
Moonset: 05:20
Moonrise: 18:03
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
98%
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: Overnight & Friday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 38 °F
NWS forecast: Partly cloudy, with a low around 38. Northwest wind 0 to 5 mph.
 
Friday

Friday: Mostly Cloudy
Mostly Cloudy

Hi 68 °F
NWS forecast: Mostly cloudy, with a high near 68. North wind 5 to 10 mph.