Marine Weather Net

Portsmouth, NH Weather Forecast

Portsmouth, New Hampshire

 Lat: 43.07N, Lon: 70.76W

Current Conditions Updated: 655 AM EDT THU MAR 30 2023


Temp: 30°F
  • Humidity:
  • 46%
  • Winds:
  • 14 MPH WNW
  • Gusts:
  • 23 MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 12°F
  • Heat index:
  • 30°F

  • Sunrise:
  • 6:28 AM EDT
  • Sunset:
  • 7:05 PM EDT
  • Moonrise:
  • 12:25 PM EDT
  • Moonset:
  • 3:46 AM EDT


Hi: 39°F
Lo: 25°F


Hi: 45°F
Lo: 39°F
Precip: 40%


Hi: 59°F
Lo: 31°F
Precip: 100%


Hi: 41°F
Lo: 29°F
Weather Forecast In Detail:
Forecast Issued: 718 AM EDT Thu Mar 30 2023

Today...Mostly sunny. Highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Tonight...Clear. Lows in the mid 20s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Friday...Partly sunny. A chance of rain in the afternoon. Highs in the mid 40s. Southwest winds around 10 mph, becoming south with gusts up to 20 mph in the afternoon. Chance of rain 40 percent.
Friday Night...Rain. Lows in the upper 30s. South winds around 10 mph. Chance of rain 90 percent.
Saturday...Rain. Highs in the upper 50s. South winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of rain near 100 percent.
Saturday Night...Showers, mainly in the evening. Lows in the lower 30s. Chance of rain 80 percent.
Sunday...Mostly sunny. Highs in the lower 40s.
Sunday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s.
Monday...Partly sunny. Highs in the mid 50s.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s.
Tuesday...Mostly cloudy in the morning, then becoming partly sunny. Highs around 60.
Tuesday Night...Partly cloudy. Lows around 40.
Wednesday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 50s. Chance of rain 30 percent.