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: @ 06/18/2026 02:00 - next update at 02:05  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 60.6, Max: 61.2, Min: 59.4 60.6°F
Colder 0.2°F than last hour.

Cool

Feels like: 61°F

24-hr difference
10.5°FWarmer 10.5°F than yesterday at this time.
  Today Yesterday
High: 61.2°F
01:09
80.1°F
14:09
Low: 59.4°F
00:15
47.3°F
05:15
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 1 mph 01:28
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: 88 % Increased 1.0% since last hour.
Dew Point: 57°F Increased 0.3°F since last hour.
Barometer: 29.68 inHg Falling 0.02  inHg/hr
Baro Trend: Steady
Sunrise: 05:06
Sunset: 20:29
Moonrise: 09:02
Moonset: 23:37
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
14%
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 & Thursday
Overnight

Overnight: Rain Showers Likely
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. Some of the storms could be severe. Cloudy, with a high near 75. South wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.