Coastal Flood Statement COASTAL FLOOD STATEMENT - Portsmouth Seacoast  - Rockingham

There is an increasing risk for strong to severe thunderstorms and localized flash flooding on Thursday. High astronomical tides tonight bring waters levels close to flood stage, and may result in minor coastal flooding during the nighttime high tide cycle from Portland to Hampton. Daily chances for scattered showers and a few storms continue Friday into the weekend with breezy conditions on Friday and Saturday.
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Updated: @ 06/17/2026 22:40 - next update at 22:45  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 60.7, Max: 80.1, Min: 47.3 60.7°F
Colder 2.9°F than last hour.

Cool

Feels like: 61°F

24-hr difference
5.6°FWarmer 5.6°F than yesterday at this time.
  Today Yesterday
High: 80.1°F
14:09
76.1°F
14:55
Low: 47.3°F
05:15
50.4°F
06:00
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 7 mph 15:44
Gust Month: 14 mph June 03
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.91 in
Season Total: 12.62 in
3 rain days in June.
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 83 % Increased 7.0% since last hour.
Dew Point: 55.5°F Decreased 0.5°F since last hour.
Barometer: 29.715 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:06
Sunset: 20:29
Moonrise: 07:41
Moonset: 23:08
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
13%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 9.0 @ 11:45
0 W/m2 (0 %)
High: 995 @  11:54
 NWS Weather Forecast  - Outlook: Tonight & Thursday
Tonight

Tonight: Mostly Cloudy then Rain Showers Likely
Mostly Cloudy then Rain Showers Likely

Lo 53 °F
NWS forecast: Rain showers likely after 3am. Mostly cloudy, with a low around 53. Southeast wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
 
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms

Hi 75 °F
NWS forecast: Rain showers before 11am, then showers and thunderstorms. Cloudy, with a high near 75. South wind 0 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.