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WilliamsportUnited States

Current time in Williamsport, United States

Monday, 31 August 2026

Eastern Daylight TimeUTC-04:00

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Williamsport time at a glance

Country
United States
Location
City in Pennsylvania
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 Williamsport

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

21°C

Light rain shower

Feels like
24°C
Humidity
83%
Wind
3.6 km/h W
Recent precipitation
0.2 mm

3-day forecast

  1. Light drizzle19°C to 24°C87% chance of precipitationWind up to 8.3 km/h
  2. Light rain shower18°C to 29°C82% chance of precipitationWind up to 6.5 km/h
  3. Thundery outbreaks in nearby20°C to 33°C85% chance of precipitationWind up to 9.4 km/h

Forecast valid from 15:30 local time. Updated 2026-08-31T19:36:47.176Z; refresh due by 2026-08-31T19:51:47.176Z.

Time-zone identity for Williamsport

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.

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

Next clock change in Williamsport

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 Williamsport

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 Williamsport

Location details for Williamsport in Pennsylvania, United States.

Administrative area
Pennsylvania, United States
Population
29,201
Coordinates
41.2412° N, 77.0011° W. The elevation is 158 metres.

Nearby city clocks

Cities near Williamsport

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

Sources for Williamsport 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.