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PortsmouthUnited States

Current time in Portsmouth, United States

Tuesday, 1 September 2026

Eastern Daylight TimeUTC-04:00

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Portsmouth time at a glance

Country
United States
Location
City in Ohio
Time zone
America/New_York
UTC offset now
UTC-04:00
Current zone label
GMT-4
Next clock change
1 November 2026 at 01:00 GMT-5

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Weather now

Weather in Portsmouth

Conditions near Portsmouth and a 3-day forecast. Local conditions can differ across large urban areas, mountains and coastlines.

24°C

Clear

Feels like
25°C
Humidity
68%
Wind
6.1 km/h SW
Recent precipitation
0 mm

3-day forecast

  1. Sunny23°C to 36°C3% chance of precipitationWind up to 10.4 km/h
  2. Sunny23°C to 37°C2% chance of precipitationWind up to 10.8 km/h
  3. Sunny24°C to 38°C57% chance of precipitationWind up to 10.8 km/h

Forecast valid from 05:45 local time. Updated 2026-09-01T09:56:31.273Z; refresh due by 2026-09-01T10:11:31.273Z.

Time-zone identity for Portsmouth

IANA zone
America/New_York
UTC offset now
UTC-04:00
Current zone label
GMT-4
Clock-change status
An offset change was found in the next 370 days.

Portsmouth is currently 4 hours behind UTC. The named zone, rather than the offset alone, should be used for future dates.

Next clock change in Portsmouth

UTC-05:00UTC-05:00

This change comes from the IANA Time Zone Database. It is described as an offset change unless its daylight-saving purpose can be verified.

Time-zone history

UTC offset changes for Portsmouth

A bounded record of offset transitions calculated for America/New_York, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.

Previous 5 years

  1. UTC-04:00 UTC-04:00UTC offset decreased by
  2. UTC-05:00 UTC-05:00UTC offset decreased by
  3. UTC-04:00 UTC-04:00UTC offset decreased by
  4. UTC-05:00 UTC-05:00UTC offset decreased by
  5. UTC-04:00 UTC-04:00UTC offset decreased by
  6. UTC-05:00 UTC-05:00UTC offset decreased by
  7. UTC-04:00 UTC-04:00UTC offset decreased by
  8. UTC-05:00 UTC-05:00UTC offset decreased by
  9. UTC-04:00 UTC-04:00UTC offset decreased by
  10. UTC-05:00 UTC-05:00UTC offset decreased by

Next 5 years

  1. UTC-05:00 UTC-05:00UTC offset decreased by
  2. UTC-04:00 UTC-04:00UTC offset decreased by
  3. UTC-05:00 UTC-05:00UTC offset decreased by
  4. UTC-04:00 UTC-04:00UTC offset decreased by
  5. UTC-05:00 UTC-05:00UTC offset decreased by
  6. UTC-04:00 UTC-04:00UTC offset decreased by
  7. UTC-05:00 UTC-05:00UTC offset decreased by
  8. UTC-04:00 UTC-04:00UTC offset decreased by
  9. UTC-05:00 UTC-05:00UTC offset decreased by
  10. UTC-04:00 UTC-04:00UTC offset decreased by

Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.

Location context

About Portsmouth

Location details for Portsmouth in Ohio, United States.

Administrative area
Ohio, United States
Population
20,409
Coordinates
38.7317° N, 82.9977° W. The elevation is 162 metres.

Nearby city clocks

Cities near Portsmouth

Nearby cities are ordered by approximate straight-line distance from Portsmouth. Times are calculated for the same instant shown above.

Sources for Portsmouth time and city facts

Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.

View 4 sources
  • GeoNames cities15000
    GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · Accessed
    City and country names, administrative area, coordinates and population.
  • IANA Time Zone Database
    Internet Assigned Numbers Authority · 2026b · Public domain · Accessed
    Time-zone names, UTC offsets and clock changes.
  • Unicode Common Locale Data Repository
    Unicode Consortium · 48.0 · Unicode License v3 · Accessed
    English display names for countries, currencies and languages.
  • Weather and Geolocation API
    WeatherAPI.com · Forecast API v1; free plan · WeatherAPI.com terms; commercial and non-commercial use permitted by plan · Accessed
    Current weather conditions, the next 24 hours and a three-day forecast.