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Naperville, Illinois weather · now

73°

Mostly Clear

Feels
75°
High / Low
83° / 64°
Wind
21 mph NE
Humidity
100%
No precipitation expected in the next 1.5 hours.
GoodAir quality PollenTreeNoneGrassHighWeedLow
Sun 5:27 AM 8:28 PM 15h 1m
Moon Waning Crescent 19% lit

Current weather and 7-day forecast for Naperville, Illinois, sourced directly from the National Weather Service. Expect mostly cloudy today. Today's high is 83° with a low near 64°.

What to wear today

T-shirt and shorts weather

83°F today — easy summer dressing.

Next 24 hours

60° 75° 90° ↑ 83° ↓ 64° 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM 6 AM

  1. 9 AM

    74°

    4%

  2. 11 AM

    79°

    9%

  3. 1 PM

    82°

    13%

  4. 3 PM

    83°

    13%

  5. 5 PM

    81°

    2%

  6. 7 PM

    78°

    3%

  7. 9 PM

    73°

    3%

  8. 11 PM

    69°

    4%

  9. 1 AM

    67°

    1%

  10. 3 AM

    65°

    1%

  11. 5 AM

    64°

    1%

  12. 7 AM

    67°

    0%

Live radar

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7 days

  1. Today 7/10 Mostly Cloudy 13% 83° · 64°
    1. 9 AM 74° Partly Sunny 4%
    2. 10 AM 76° Mostly Cloudy 7%
    3. 11 AM 79° Partly Sunny 9%
    4. 12 PM 80° Partly Sunny 11%
    5. 1 PM 82° Partly Sunny 13%
    6. 2 PM 82° Partly Sunny 13%
    7. 3 PM 83° Mostly Cloudy 13%
    8. 4 PM 82° Mostly Cloudy 7%
    9. 5 PM 81° Mostly Cloudy 2%
    10. 6 PM 80° Mostly Cloudy 3%
    11. 7 PM 78° Mostly Cloudy 3%
    12. 8 PM 76° Mostly Cloudy 3%
    13. 9 PM 73° Mostly Cloudy 3%
    14. 10 PM 71° Mostly Cloudy 3%
    15. 11 PM 69° Mostly Cloudy 4%
  2. Sat 7/11 Mostly Sunny 0% 85° · 65°
    1. 12 AM 68° Mostly Cloudy 2%
    2. 1 AM 67° Mostly Cloudy 1%
    3. 2 AM 66° Mostly Cloudy 1%
    4. 3 AM 65° Mostly Cloudy 1%
    5. 4 AM 65° Partly Cloudy 1%
    6. 5 AM 64° Partly Cloudy 1%
    7. 6 AM 64° Mostly Sunny
    8. 7 AM 67° Mostly Sunny
    9. 8 AM 71° Mostly Sunny
    10. 9 AM 75° Mostly Sunny
    11. 10 AM 78° Mostly Sunny
    12. 11 AM 80° Mostly Sunny
    13. 12 PM 82° Mostly Sunny
    14. 1 PM 84° Mostly Sunny
    15. 2 PM 84° Mostly Sunny
    16. 3 PM 85° Mostly Sunny
    17. 4 PM 84° Sunny
    18. 5 PM 84° Sunny
    19. 6 PM 82° Mostly Clear
    20. 7 PM 80° Mostly Clear
    21. 8 PM 78° Mostly Cloudy
    22. 9 PM 75° Partly Cloudy
    23. 10 PM 72° Mostly Clear
    24. 11 PM 70° Mostly Clear
  3. Sun 7/12 Sunny 2% 87° · 67°
    1. 12 AM 69° Mostly Clear
    2. 1 AM 68° Mostly Clear
    3. 2 AM 67° Mostly Clear
    4. 3 AM 66° Mostly Clear
    5. 4 AM 66° Mostly Clear
    6. 5 AM 66° Mostly Clear
    7. 6 AM 67° Sunny
    8. 7 AM 68° Sunny 1%
    9. 8 AM 71° Sunny 1%
    10. 9 AM 76° Sunny 1%
    11. 10 AM 80° Sunny 1%
    12. 11 AM 83° Sunny 1%
    13. 12 PM 84° Sunny 1%
    14. 1 PM 86° Sunny 2%
    15. 2 PM 86° Sunny 2%
    16. 3 PM 87° Sunny 2%
    17. 4 PM 87° Sunny 2%
    18. 5 PM 86° Sunny 2%
    19. 6 PM 86° Mostly Clear 2%
    20. 7 PM 84° Mostly Clear 1%
    21. 8 PM 81° Mostly Clear 1%
    22. 9 PM 77° Mostly Clear 1%
    23. 10 PM 74° Mostly Clear 1%
    24. 11 PM 72° Mostly Clear 1%
  4. Mon 7/13 Sunny 0% 89° · 69°
    1. 12 AM 71° Clear 1%
    2. 1 AM 70° Clear
    3. 2 AM 68° Clear
    4. 3 AM 68° Clear
    5. 4 AM 67° Clear
    6. 5 AM 67° Clear
    7. 6 AM 68° Sunny
    8. 7 AM 69° Sunny
    9. 8 AM 73° Sunny
    10. 9 AM 78° Sunny
    11. 10 AM 82° Sunny
    12. 11 AM 85° Sunny
    13. 12 PM 87° Sunny
    14. 1 PM 88° Sunny
    15. 2 PM 89° Sunny
    16. 3 PM 89° Sunny
    17. 4 PM 89° Sunny
    18. 5 PM 89° Sunny
    19. 6 PM 88° Clear
    20. 7 PM 87° Clear
    21. 8 PM 83° Clear
    22. 9 PM 80° Clear
    23. 10 PM 77° Clear
    24. 11 PM 75° Clear
  5. Tue 7/14 Sunny 1% 91° · 71°
    1. 12 AM 74° Clear
    2. 1 AM 73° Mostly Clear
    3. 2 AM 72° Mostly Clear
    4. 3 AM 71° Mostly Clear
    5. 4 AM 70° Mostly Clear
    6. 5 AM 69° Mostly Clear
    7. 6 AM 70° Sunny
    8. 7 AM 71° Sunny
    9. 8 AM 74° Sunny
    10. 9 AM 79° Sunny
    11. 10 AM 83° Sunny
    12. 11 AM 86° Sunny
    13. 12 PM 88° Sunny
    14. 1 PM 89° Sunny 1%
    15. 2 PM 90° Sunny 1%
    16. 3 PM 91° Sunny 1%
    17. 4 PM 91° Sunny 1%
    18. 5 PM 91° Sunny 1%
    19. 6 PM 90° Mostly Clear 1%
    20. 7 PM 88° Mostly Clear 1%
    21. 8 PM 85° Mostly Clear 1%
    22. 9 PM 82° Mostly Clear 1%
    23. 10 PM 79° Mostly Clear 1%
    24. 11 PM 77° Mostly Clear 1%
  6. Wed 7/15 Sunny 8% 91° · 71°
    1. 12 AM 76° Mostly Clear 1%
    2. 1 AM 75° Mostly Clear
    3. 2 AM 74° Mostly Clear
    4. 3 AM 73° Mostly Clear
    5. 4 AM 72° Mostly Clear
    6. 5 AM 72° Mostly Clear
    7. 6 AM 72° Sunny
    8. 7 AM 73° Sunny 1%
    9. 8 AM 76° Sunny 1%
    10. 9 AM 80° Sunny 1%
    11. 10 AM 84° Sunny 1%
    12. 11 AM 86° Sunny 1%
    13. 12 PM 88° Sunny 1%
    14. 1 PM 89° Sunny 8%
    15. 2 PM 90° Sunny 8%
    16. 3 PM 90° Sunny 8%
    17. 4 PM 90° Sunny 8%
    18. 5 PM 90° Sunny 8%
    19. 6 PM 89° Mostly Clear 8%
    20. 7 PM 87° Mostly Clear 5%
    21. 8 PM 84° Mostly Clear 5%
    22. 9 PM 81° Mostly Clear 5%
    23. 10 PM 78° Mostly Clear 5%
    24. 11 PM 76° Mostly Clear 5%
  7. Thu 7/16 Sunny 13% 90° · 70°
    1. 12 AM 75° Mostly Clear 5%
    2. 1 AM 74° Partly Cloudy 5%
    3. 2 AM 73° Partly Cloudy 5%
    4. 3 AM 72° Partly Cloudy 5%
    5. 4 AM 72° Partly Cloudy 5%
    6. 5 AM 71° Partly Cloudy 5%
    7. 6 AM 71° Mostly Sunny 5%
    8. 7 AM 72° Sunny 4%
    9. 8 AM 75° Sunny 4%
    10. 9 AM 78° Sunny 4%
    11. 10 AM 82° Sunny 4%
    12. 11 AM 84° Sunny 4%
    13. 12 PM 86° Sunny 4%
    14. 1 PM 87° Sunny 9%
    15. 2 PM 88° Sunny 9%
    16. 3 PM 89° Sunny 9%
    17. 4 PM 89° Sunny 9%
    18. 5 PM 88° Sunny 9%
    19. 6 PM 87° Mostly Clear 9%
    20. 7 PM 85° Mostly Clear 6%
    21. 8 PM 82° Mostly Clear 6%
Extended outlook days 8–16
  1. Fri 7/17 Drizzle 15% 88° · 70°
  2. Sat 7/18 Drizzle 19% 88° · 70°
  3. Sun 7/19 Drizzle 21% 76° · 66°
  4. Mon 7/20 Cloudy 10% 80° · 65°
  5. Tue 7/21 Cloudy 26% 79° · 65°
  6. Wed 7/22 Drizzle 26% 85° · 68°
  7. Thu 7/23 Drizzle 19% 90° · 74°
  8. Fri 7/24 Rain Showers 19% 85° · 68°
  9. Sat 7/25 Cloudy 26% 81° · 67°

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.

Saturday, 7/11

Mostly Sunny, 85° / 65°

  1. Tomorrow85°65°
  2. Sun87°67°
  3. Mon89°69°
  4. Tue91°71°
  5. Wed91°71°
  6. Thu90°70°

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 74°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf9 AM

    comfortable at 74°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic9 AM

    comfortable at 74°F · calm wind · 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°
5 days graded
1 day out
±4°
4 days graded
3 days out
±4°
4 days graded
7 days out
±7°
6 days graded
Day-by-day, 1 day out4 days
  1. Yesterday±3°
    High86°86°0°
    Low67°70°-3°
  2. Wed, Jul 8±3°
    High86°88°-2°
    Low69°66°+3°
  3. Sun, Jul 5±3°
    High80°79°+1°
    Low65°68°-3°
  4. Sat, Jul 4±5°
    High87°82°+5°
    Low69°70°-1°

Climate normals

What weather to expect in Naperville

Naperville in July typically averages 83° highs and 66° lows, with about 20 days of rain. The hottest stretch is June (average high 83°); the coldest is January (average low 14°).

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 cloudy. High near 83, with temperatures falling to around 81 in the afternoon. Northeast wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 85. Northeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 87. East northeast wind 0 to 5 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 89.

Forecast details

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