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Naperville, Illinois weather · now

66°

Mostly Cloudy

High / Low
78° / 64°
Wind
33 mph NE
Humidity
94%
No precipitation expected in the next 1.5 hours.
ModerateAir quality PollenTreeLowGrassHighWeedNone
Sun 5:19 AM 8:31 PM 15h 12m
Moon Waxing Gibbous 93% lit

Current weather and 7-day forecast for Naperville, Illinois, sourced directly from the National Weather Service. Expect mostly sunny today. Today's high is 78° with a low near 64°.

What to wear today

T-shirt and shorts weather

78°F today — easy summer dressing.

Next 24 hours

60° 75° 85° ↑ 78° ↓ 64° 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM 6 AM

  1. 9 AM

    69°

    2%

  2. 11 AM

    74°

    2%

  3. 1 PM

    77°

    3%

  4. 3 PM

    78°

    3%

  5. 5 PM

    76°

    3%

  6. 7 PM

    74°

    4%

  7. 9 PM

    69°

    4%

  8. 11 PM

    66°

    4%

  9. 1 AM

    64°

    4%

  10. 3 AM

    64°

    4%

  11. 5 AM

    64°

    4%

  12. 7 AM

    67°

    5%

Live radar

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7 days

  1. Today 6/27 Mostly Sunny 4% 78° · 64°
    1. 9 AM 69° Mostly Sunny 2%
    2. 10 AM 72° Mostly Sunny 2%
    3. 11 AM 74° Mostly Sunny 2%
    4. 12 PM 75° Partly Sunny 3%
    5. 1 PM 77° Partly Sunny 3%
    6. 2 PM 78° Mostly Sunny 3%
    7. 3 PM 78° Mostly Sunny 3%
    8. 4 PM 78° Mostly Sunny 3%
    9. 5 PM 76° Mostly Sunny 3%
    10. 6 PM 76° Mostly Cloudy 3%
    11. 7 PM 74° Mostly Cloudy 4%
    12. 8 PM 72° Mostly Cloudy 4%
    13. 9 PM 69° Mostly Cloudy 4%
    14. 10 PM 67° Mostly Cloudy 4%
    15. 11 PM 66° Mostly Cloudy 4%
  2. Sun 6/28 Mostly Sunny 6% 86° · 75°
    1. 12 AM 65° Mostly Cloudy 4%
    2. 1 AM 64° Mostly Cloudy 4%
    3. 2 AM 64° Mostly Cloudy 4%
    4. 3 AM 64° Partly Cloudy 4%
    5. 4 AM 64° Partly Cloudy 4%
    6. 5 AM 64° Partly Cloudy 4%
    7. 6 AM 64° Mostly Sunny 4%
    8. 7 AM 67° Sunny 5%
    9. 8 AM 70° Sunny 4%
    10. 9 AM 74° Sunny 3%
    11. 10 AM 77° Sunny 3%
    12. 11 AM 80° Mostly Sunny 1%
    13. 12 PM 82° Mostly Sunny 1%
    14. 1 PM 83° Mostly Sunny 2%
    15. 2 PM 84° Partly Sunny 2%
    16. 3 PM 85° Partly Sunny 2%
    17. 4 PM 85° Partly Sunny 6%
    18. 5 PM 86° Partly Sunny 6%
    19. 6 PM 85° Mostly Cloudy 6%
    20. 7 PM 84° Mostly Cloudy 3%
    21. 8 PM 82° Mostly Cloudy 3%
    22. 9 PM 80° Mostly Cloudy 3%
    23. 10 PM 78° Partly Cloudy 3%
    24. 11 PM 77° Partly Cloudy 3%
  3. Mon 6/29 Mostly Sunny 1% 92° · 76°
    1. 12 AM 77° Partly Cloudy 3%
    2. 1 AM 76° Partly Cloudy 1%
    3. 2 AM 76° Partly Cloudy 1%
    4. 3 AM 75° Partly Cloudy 1%
    5. 4 AM 75° Partly Cloudy 1%
    6. 5 AM 75° Partly Cloudy 1%
    7. 6 AM 75° Mostly Sunny 1%
    8. 7 AM 75° Mostly Sunny
    9. 8 AM 78° Mostly Sunny
    10. 9 AM 81° Mostly Sunny
    11. 10 AM 84° Mostly Sunny
    12. 11 AM 87° Mostly Sunny
    13. 12 PM 89° Sunny
    14. 1 PM 91° Sunny
    15. 2 PM 91° Mostly Sunny
    16. 3 PM 92° Mostly Sunny
    17. 4 PM 92° Mostly Sunny
    18. 5 PM 92° Mostly Sunny
    19. 6 PM 91° Partly Cloudy
    20. 7 PM 90° Partly Cloudy
    21. 8 PM 87° Partly Cloudy
    22. 9 PM 84° Mostly Clear
    23. 10 PM 83° Mostly Clear
    24. 11 PM 81° Mostly Clear
  4. Tue 6/30 Sunny 1% 94° · 77°
    1. 12 AM 80° Mostly Clear
    2. 1 AM 79° Mostly Clear
    3. 2 AM 78° Mostly Clear
    4. 3 AM 77° Mostly Clear
    5. 4 AM 77° Mostly Clear
    6. 5 AM 76° Mostly Clear
    7. 6 AM 77° Sunny
    8. 7 AM 78° Sunny
    9. 8 AM 80° Sunny
    10. 9 AM 83° Sunny
    11. 10 AM 86° Sunny
    12. 11 AM 88° Sunny
    13. 12 PM 91° Sunny
    14. 1 PM 92° Sunny
    15. 2 PM 93° Sunny
    16. 3 PM 94° Sunny
    17. 4 PM 94° Sunny
    18. 5 PM 93° Sunny
    19. 6 PM 93° Mostly Clear
    20. 7 PM 91° Clear 1%
    21. 8 PM 88° Clear 1%
    22. 9 PM 85° Clear 1%
    23. 10 PM 83° Clear 1%
    24. 11 PM 82° Clear 1%
  5. Wed 7/1 Sunny 7% 95° · 76°
    1. 12 AM 82° Clear 1%
    2. 1 AM 81° Mostly Clear 1%
    3. 2 AM 80° Mostly Clear 1%
    4. 3 AM 79° Mostly Clear 1%
    5. 4 AM 78° Mostly Clear 1%
    6. 5 AM 77° Mostly Clear 1%
    7. 6 AM 77° Sunny 1%
    8. 7 AM 78° Sunny 2%
    9. 8 AM 80° Sunny 2%
    10. 9 AM 84° Sunny 2%
    11. 10 AM 87° Sunny 2%
    12. 11 AM 89° Sunny 2%
    13. 12 PM 91° Sunny 2%
    14. 1 PM 92° Sunny 6%
    15. 2 PM 93° Sunny 6%
    16. 3 PM 93° Sunny 6%
    17. 4 PM 93° Sunny 6%
    18. 5 PM 93° Sunny 6%
    19. 6 PM 92° Mostly Clear 6%
    20. 7 PM 91° Mostly Clear 7%
    21. 8 PM 89° Mostly Clear 7%
    22. 9 PM 86° Mostly Clear 7%
    23. 10 PM 83° Mostly Clear 7%
    24. 11 PM 81° Mostly Clear 7%
  6. Thu 7/2 Sunny then Slight Chance Showers And Thunderstorms 28% 94° · 75°
    1. 12 AM 80° Mostly Clear 7%
    2. 1 AM 79° Mostly Clear 6%
    3. 2 AM 78° Mostly Clear 6%
    4. 3 AM 77° Mostly Clear 6%
    5. 4 AM 77° Mostly Clear 6%
    6. 5 AM 76° Mostly Clear 6%
    7. 6 AM 76° Sunny 6%
    8. 7 AM 77° Sunny 14%
    9. 8 AM 80° Sunny 14%
    10. 9 AM 84° Sunny 14%
    11. 10 AM 87° Sunny 14%
    12. 11 AM 89° Sunny 14%
    13. 12 PM 91° Sunny 14%
    14. 1 PM 92° Slight Chance Showers And Thunderstorms 15%
    15. 2 PM 93° Slight Chance Showers And Thunderstorms 15%
    16. 3 PM 93° Slight Chance Showers And Thunderstorms 15%
    17. 4 PM 93° Slight Chance Showers And Thunderstorms 15%
    18. 5 PM 93° Slight Chance Showers And Thunderstorms 15%
    19. 6 PM 92° Slight Chance Showers And Thunderstorms 15%
    20. 7 PM 90° Chance Showers And Thunderstorms 28%
    21. 8 PM 87° Chance Showers And Thunderstorms 28%
    22. 9 PM 84° Chance Showers And Thunderstorms 28%
    23. 10 PM 81° Chance Showers And Thunderstorms 28%
    24. 11 PM 80° Chance Showers And Thunderstorms 28%
  7. Fri 7/3 Chance Showers And Thunderstorms 32% 92° · 72°
    1. 12 AM 79° Chance Showers And Thunderstorms 28%
    2. 1 AM 78° Slight Chance Showers And Thunderstorms 19%
    3. 2 AM 77° Slight Chance Showers And Thunderstorms 19%
    4. 3 AM 76° Slight Chance Showers And Thunderstorms 19%
    5. 4 AM 76° Slight Chance Showers And Thunderstorms 19%
    6. 5 AM 75° Slight Chance Showers And Thunderstorms 19%
    7. 6 AM 75° Slight Chance Showers And Thunderstorms 19%
    8. 7 AM 76° Slight Chance Showers And Thunderstorms 16%
    9. 8 AM 78° Slight Chance Showers And Thunderstorms 16%
    10. 9 AM 82° Slight Chance Showers And Thunderstorms 16%
    11. 10 AM 85° Slight Chance Showers And Thunderstorms 16%
    12. 11 AM 87° Slight Chance Showers And Thunderstorms 16%
    13. 12 PM 89° Slight Chance Showers And Thunderstorms 16%
    14. 1 PM 90° Chance Showers And Thunderstorms 32%
    15. 2 PM 91° Chance Showers And Thunderstorms 32%
    16. 3 PM 91° Chance Showers And Thunderstorms 32%
    17. 4 PM 91° Chance Showers And Thunderstorms 32%
    18. 5 PM 90° Chance Showers And Thunderstorms 32%
    19. 6 PM 89° Chance Showers And Thunderstorms 32%
    20. 7 PM 87° Chance Showers And Thunderstorms 28%
    21. 8 PM 84° Chance Showers And Thunderstorms 28%
Extended outlook days 8–16
  1. Sat 7/4 Drizzle 27% 92° · 73°
  2. Sun 7/5 Drizzle 20% 88° · 70°
  3. Mon 7/6 Drizzle 20% 91° · 71°
  4. Tue 7/7 Severe Thunderstorms 21% 88° · 74°
  5. Wed 7/8 Thunderstorms 24% 88° · 73°
  6. Thu 7/9 Thunderstorms 20% 82° · 64°
  7. Fri 7/10 Thunderstorms 24% 83° · 61°
  8. Sat 7/11 Sunny 26% 82° · 63°
  9. Sun 7/12 Drizzle 26% 85° · 66°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Monday, 6/29

Mostly Sunny, 92° / 76°

  1. Tomorrow86°75°
  2. Mon92°76°
  3. Tue94°77°
  4. Wed95°76°
  5. Thu94°75°
  6. Fri92°72°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    comfortable at 64°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Bike9 AM

    comfortable at 69°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf9 AM

    comfortable at 69°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic9 AM

    comfortable at 69°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

How well did we do?

Average miss by lead time.

Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.

Same day
±3°
4 days graded
1 day out
±4°
4 days graded
3 days out
±5°
3 days graded
7 days out
±3°
2 days graded
Day-by-day, 1 day out4 days
  1. Yesterday±4°
    High74°70°+4°
    Low60°61°-1°
  2. Thu, Jun 25±2°
    High79°81°-2°
    Low58°59°-1°
  3. Wed, Jun 24±3°
    High78°77°+1°
    Low60°57°+3°
  4. Sat, Jun 20±6°
    High79°77°+2°
    Low58°64°-6°

Climate normals

What weather to expect in Naperville

Naperville in June typically averages 83° highs and 64° lows, with about 15 days of rain. The hottest stretch is June (average high 83°); the coldest is January (average low 14°). July is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan28°14°12
Feb37°21°8
Mar53°33°15
Apr62°43°18
May70°50°14
Jun83°64°15
Jul83°66°20
Aug82°64°12
Sep78°59°6
Oct67°48°7
Nov50°37°13
Dec35°22°15

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Naperville

Other cities in Illinois

Detailed forecast (NWS)

Today
Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. East northeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 86. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 94.

Forecast details

NWS gridpoint
LOT 58,66
Radar station
KLOT
Time zone
America/Chicago
Coordinates
41.751, -88.153