, °F

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    • Early AM

      Sep 26

      40° Lo
      Mainly clear
      • Migraine Headache
      • Weather
      • Hi RealFeel: 63°
      • UV: 4 - Moderate
      • Cloud Cover: 23%
      More
    • Today

      Sep 26

      63° /54°F
      Mostly sunny
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 70°
      • UV: 4 - Moderate
      • Cloud Cover: 52%
    • Tue

      Sep 27

      69° /55°
      Morning rain; mostly cloudy
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 68°
      • UV: 2 - Low
      • Cloud Cover: 61%
      More
    • Wed

      Sep 28

      66° /56°
      Clouds and sun
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 70°
      • UV: 4 - Moderate
      • Cloud Cover: 75%
      More
    • Thu

      Sep 29

      61° /55°
      Mostly cloudy, showers around
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 64°
      • UV: 4 - Moderate
      • Cloud Cover: 76%
      More
    Monday
    2am
    3am
    4am
    5am
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    9am
    Forecast Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Sunny Sunny Sunny
    Temp (°F) 46° 44° 43° 42° 40° 43° 47° 51°
    RealFeel® 47° 46° 44° 44° 41° 43° 47° 54°
    Wind (mph) 2 NNW 2 NNW 2 NNW 2 NNW 2 NNW 4 NW 4 NW 4 NW
    precip
    2am
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    Rain
    0%
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    Snow
    0%
    0%
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    0%
    Ice
    0%
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    0%
    0%
    0%
    SKY
    2am
    3am
    4am
    5am
    6am
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    8am
    9am
    UV Index 0 0 0 0 0 0 0 1
    Cloud Cover 31% 11% 11% 11% 11% 11% 0% 0%
    Humidity 74% 74% 75% 78% 84% 76% 72% 64%
    Dew Point 38° 36° 35° 36° 36° 36° 38° 39°
    Temp °F
    2am
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    55° 50° 45° 40°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 63° 69° 91° (2007) 63°
    Low 54° 46° 25° (1978) 42°

    Sunrise/Sunset

    • Sunrise: 6:36 AM
    • Sunset: 6:32 PM
    • Duration: 11:56 hr

    Moonrise/Moonset

    • Moonrise: 2:05 AM
    • Moonset: 4:24 PM
    • Duration: 14:19 hr
    Astronomy

    Portsmouth Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 26, 2016; 1:29 AM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >

    Mon. Migraine Headache

    Mon. UV Index