Marine Weather Net

Portsmouth, NH Weather Forecast




Portsmouth, New Hampshire

 Lat: 43.07N, Lon: 70.76W

Current Conditions Updated: 1155 AM EDT THU MAY 15 2025

Overcast
Temp: 60°F
  • Humidity:
  • 87%
  • Winds:
  • 6 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.95 in.
  • Dewpoint:
  • 57°F
  • Heat index:
  • 60°F

  • Sunrise:
  • 5:18 AM EDT
  • Sunset:
  • 7:58 PM EDT
  • Moonrise:
  • 11:27 PM EDT
  • Moonset:
  • 6:45 AM EDT

THIS AFTERNOON

CHANCE OF SHOWERS
Hi: 65°F
Lo: 55°F
Precip: 20%

FRIDAY

PARTLY SUNNY
Hi: 71°F
Lo: 51°F
Precip: 20%

SATURDAY

CHANCE OF T-STORM
Hi: 65°F
Lo: 51°F
Precip: 80%

SUNDAY

PARTLY SUNNY
Hi: 69°F
Lo: 50°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 1204 PM EDT Thu May 15 2025

This Afternoon...Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 60s. Light and variable winds. Chance of rain 20 percent.
Tonight...Cloudy. A slight chance of showers in the evening. Areas of fog in the evening. Areas of fog after midnight. Lows in the mid 50s. Light and variable winds. Chance of rain 20 percent.
Friday...Mostly cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 70s. Light and variable winds. Chance of rain 20 percent.
Friday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. Light and variable winds.
Saturday...Cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Light and variable winds. Chance of rain 80 percent.
Saturday Night...Showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 80 percent.
Sunday...Partly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.
Sunday Night...Partly cloudy. A chance of showers in the evening. Lows around 50. Chance of rain 40 percent.
Monday...Partly sunny. Highs in the lower 60s.
Monday Night...Partly cloudy. Lows in the mid 40s.
Tuesday...Partly sunny. Highs in the lower 60s.
Tuesday Night...Partly cloudy. Lows in the mid 40s.
Wednesday...Partly sunny. Highs in the upper 50s.
SHARE THIS PAGE: