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NapervilleUnited States

Current time in Naperville, United States

Monday, 31 August 2026

Central Daylight TimeUTC-05:00

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Naperville time at a glance

Country
United States
Location
City in Illinois
Time zone
America/Chicago
UTC offset now
UTC-05:00
Current zone label
GMT-5
Next clock change
1 November 2026 at 01:00 GMT-6

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Weather now

Weather in Naperville

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

21°C

Light rain

Feels like
22°C
Humidity
81%
Wind
10.1 km/h S
Recent precipitation
1.9 mm

3-day forecast

  1. Light rain21°C to 29°C84% chance of precipitationWind up to 22.3 km/h
  2. Overcast21°C to 30°C31% chance of precipitationWind up to 22.7 km/h
  3. Sunny24°C to 31°C11% chance of precipitationWind up to 17.6 km/h

Forecast valid from 02:30 local time. Updated 2026-08-31T07:49:15.857Z; refresh due by 2026-08-31T08:04:15.857Z.

Time-zone identity for Naperville

IANA zone
America/Chicago
UTC offset now
UTC-05:00
Current zone label
GMT-5
Clock-change status
An offset change was found in the next 370 days.

Naperville is currently 5 hours behind UTC. The named zone, rather than the offset alone, should be used for future dates.

Next clock change in Naperville

UTC-06:00UTC-06:00

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 Naperville

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

Previous 5 years

  1. UTC-05:00 UTC-05:00UTC offset decreased by
  2. UTC-06:00 UTC-06:00UTC offset decreased by
  3. UTC-05:00 UTC-05:00UTC offset decreased by
  4. UTC-06:00 UTC-06:00UTC offset decreased by
  5. UTC-05:00 UTC-05:00UTC offset decreased by
  6. UTC-06:00 UTC-06:00UTC offset decreased by
  7. UTC-05:00 UTC-05:00UTC offset decreased by
  8. UTC-06:00 UTC-06:00UTC offset decreased by
  9. UTC-05:00 UTC-05:00UTC offset decreased by
  10. UTC-06:00 UTC-06:00UTC offset decreased by

Next 5 years

  1. UTC-06:00 UTC-06:00UTC offset decreased by
  2. UTC-05:00 UTC-05:00UTC offset decreased by
  3. UTC-06:00 UTC-06:00UTC offset decreased by
  4. UTC-05:00 UTC-05:00UTC offset decreased by
  5. UTC-06:00 UTC-06:00UTC offset decreased by
  6. UTC-05:00 UTC-05:00UTC offset decreased by
  7. UTC-06:00 UTC-06:00UTC offset decreased by
  8. UTC-05:00 UTC-05:00UTC offset decreased by
  9. UTC-06:00 UTC-06:00UTC offset decreased by
  10. UTC-05:00 UTC-05:00UTC 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 Naperville

Location details for Naperville in Illinois, United States.

Administrative area
Illinois, United States
Population
147,100
Coordinates
41.7859° N, 88.1473° W. The elevation is 216 metres.

Nearby city clocks

Cities near Naperville

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

Sources for Naperville 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.