National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

73°F

23°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Jul 12:55 am EDT
Extended Forecast for

Stratham NH

Heat Advisory July 15, 11:00am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Patchy fog. Otherwise, cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. South wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Patchy fog. Otherwise, cloudy, with a low around 71. Southwest wind around 5 mph.
Tuesday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. South wind around 5 mph becoming calm.
Wednesday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Thursday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Chance of precipitation is 50%.
Thursday Night
Scattered thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stratham NH
 43.02°N 70.91°W (Elev. 66 ft)
Last Update:
1:30 am EDT Jul 15, 2025
Forecast Valid:
1am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation