Portsmouth Plains, NH Weather Forecast
Local 7-day forecast
Slight Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Portsmouth Plains, NH in one place.
A slight chance of rain after 8am. Mostly sunny, with a high near 55. West wind around 10 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Portsmouth Plains, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 7, 2026 8:37 AM EST.
The active forecast window currently covers Nov 9 to Nov 13, 2026 for Portsmouth Plains, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 8:37 AM EST
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portsmouth Plains
Monday looks like the warmest upcoming period in Portsmouth Plains at 55 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 8:37 AM EST
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain before 7pm. Mostly clear, with a low around 43.
Mostly sunny, with a high near 55.
Partly cloudy, with a low around 44.
Sunny, with a high near 55.
Partly cloudy, with a low around 40.
A slight chance of rain after 4pm. Mostly sunny, with a high near 50.
A chance of rain. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Nov 9
|
Slight Chance Light Rain
|
55°F |
10 mph
W
|
|
Monday Night
Nov 9
|
Slight Chance Light Rain then Mostly Clear
|
43°F |
10 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
55°F |
5 to 10 mph
SW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
44°F |
5 to 10 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
55°F |
5 to 10 mph
W
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
40°F |
5 mph
NW
|
|
Thursday
Nov 12
|
Mostly Sunny then Slight Chance Light Rain
|
50°F |
5 mph
N
|
|
Thursday Night
Nov 12
|
Chance Light Rain
|
38°F |
5 to 10 mph
N
|
|
Friday
Nov 13
|
Chance Light Rain
|
48°F |
10 to 15 mph
N
|
|
Friday Night
Nov 13
|
Chance Light Rain
|
37°F |
10 to 15 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portsmouth Plains.