Portsmouth, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portsmouth, OH in one place.
Sunny, with a high near 78. North wind 3 to 8 mph.
Local Weather Overview
This forecast page for Portsmouth, OH 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: May 31, 2026 11:24 PM EDT.
The active forecast window currently covers Jun 2 to Jun 7, 2026 for Portsmouth, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- May 31, 2026 11:24 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Portsmouth
Friday looks like the warmest upcoming period in Portsmouth at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 8 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 11:24 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 51. Northeast wind 1 to 7 mph.
Sunny, with a high near 79.
Clear, with a low around 54.
Sunny, with a high near 84.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 64.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
78°F |
3 to 8 mph
N
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
51°F |
1 to 7 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
1 to 5 mph
NE
|
|
Wednesday Night
Jun 3
|
Clear
|
54°F |
2 mph
N
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
0 to 3 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
60°F |
2 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny
|
86°F |
1 to 8 mph
SW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
64°F |
1 to 6 mph
SW
|
|
Saturday
Jun 6
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
3 to 8 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
66°F |
2 to 6 mph
SW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
86°F |
2 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portsmouth.