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Joliet, Illinois weather · now

79°

Showers And Thunderstorms

Feels
84°
High / Low
84° / 69°
Wind
0 mph N
Humidity
93%
Currently precipitating; clearing around 1:00 PM (77 min).

Precipitation · next 12 hrs

Peak 95% · 11 AM

11 AM
·
·
2 PM
·
·
5 PM
·
·
8 PM
·
10 PM
ModerateAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 5:57 AM 7:57 PM 14h 1m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Joliet, Illinois, sourced directly from the National Weather Service. Expect showers and thunderstorms today. Today's high is 84° with a low near 69°. 1 active weather alert in effect.

What to wear today

Rain jacket and umbrella

Plan for showers (95%). Skip cotton or anything that dries slow.

Next 24 hours

65° 80° 90° ↑ 83° ↓ 69° 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM 8 AM

  1. 11 AM

    78°

    95%

  2. 1 PM

    80°

    82%

  3. 3 PM

    81°

    45%

  4. 5 PM

    82°

    53%

  5. 7 PM

    81°

    48%

  6. 9 PM

    76°

    50%

  7. 11 PM

    73°

    52%

  8. 1 AM

    72°

    53%

  9. 3 AM

    71°

    44%

  10. 5 AM

    70°

    23%

  11. 7 AM

    70°

    22%

  12. 9 AM

    74°

    29%

Live radar

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7 days

  1. Today 8/11 Showers And Thunderstorms 95% 84° · 69°
    1. 11 AM 78° Showers And Thunderstorms 95%
    2. 12 PM 79° Showers And Thunderstorms 81%
    3. 1 PM 80° Showers And Thunderstorms 82%
    4. 2 PM 81° Showers And Thunderstorms 75%
    5. 3 PM 81° Chance Showers And Thunderstorms 45%
    6. 4 PM 83° Chance Showers And Thunderstorms 40%
    7. 5 PM 82° Chance Showers And Thunderstorms 53%
    8. 6 PM 82° Chance Showers And Thunderstorms 39%
    9. 7 PM 81° Chance Showers And Thunderstorms 48%
    10. 8 PM 78° Chance Showers And Thunderstorms 36%
    11. 9 PM 76° Chance Showers And Thunderstorms 50%
    12. 10 PM 74° Chance Showers And Thunderstorms 48%
    13. 11 PM 73° Chance Showers And Thunderstorms 52%
  2. Wed 8/12 Chance Showers And Thunderstorms 61% 83° · 68°
    1. 12 AM 72° Chance Showers And Thunderstorms 50%
    2. 1 AM 72° Chance Showers And Thunderstorms 53%
    3. 2 AM 71° Chance Showers And Thunderstorms 45%
    4. 3 AM 71° Chance Showers And Thunderstorms 44%
    5. 4 AM 70° Chance Showers And Thunderstorms 30%
    6. 5 AM 70° Slight Chance Showers And Thunderstorms 23%
    7. 6 AM 69° Slight Chance Showers And Thunderstorms 18%
    8. 7 AM 70° Slight Chance Showers And Thunderstorms 22%
    9. 8 AM 72° Chance Showers And Thunderstorms 43%
    10. 9 AM 74° Chance Showers And Thunderstorms 29%
    11. 10 AM 76° Chance Showers And Thunderstorms 45%
    12. 11 AM 78° Chance Showers And Thunderstorms 49%
    13. 12 PM 80° Chance Showers And Thunderstorms 52%
    14. 1 PM 80° Chance Showers And Thunderstorms 42%
    15. 2 PM 81° Chance Showers And Thunderstorms 30%
    16. 3 PM 82° Chance Showers And Thunderstorms 47%
    17. 4 PM 81° Chance Showers And Thunderstorms 47%
    18. 5 PM 81° Slight Chance Showers And Thunderstorms 17%
    19. 6 PM 81° Slight Chance Showers And Thunderstorms 16%
    20. 7 PM 79° Slight Chance Showers And Thunderstorms 24%
    21. 8 PM 78° Slight Chance Showers And Thunderstorms 22%
    22. 9 PM 76° Mostly Cloudy 6%
    23. 10 PM 74° Mostly Cloudy 4%
    24. 11 PM 72° Mostly Cloudy 7%
  3. Thu 8/13 Showers And Thunderstorms 76% 80° · 67°
    1. 12 AM 72° Slight Chance Showers And Thunderstorms 19%
    2. 1 AM 71° Slight Chance Showers And Thunderstorms 21%
    3. 2 AM 70° Mostly Cloudy 14%
    4. 3 AM 70° Chance Showers And Thunderstorms 33%
    5. 4 AM 70° Rain Showers Likely 61%
    6. 5 AM 69° Chance Rain Showers 30%
    7. 6 AM 69° Chance Rain Showers 47%
    8. 7 AM 70° Rain Showers Likely 64%
    9. 8 AM 71° Rain Showers Likely 64%
    10. 9 AM 74° Rain Showers Likely 64%
    11. 10 AM 76° Rain Showers Likely 64%
    12. 11 AM 77° Rain Showers Likely 64%
    13. 12 PM 78° Rain Showers Likely 64%
    14. 1 PM 78° Showers And Thunderstorms 76%
    15. 2 PM 78° Showers And Thunderstorms 76%
    16. 3 PM 78° Showers And Thunderstorms 76%
    17. 4 PM 78° Showers And Thunderstorms 76%
    18. 5 PM 77° Showers And Thunderstorms 76%
    19. 6 PM 77° Showers And Thunderstorms 76%
    20. 7 PM 76° Showers And Thunderstorms Likely 60%
    21. 8 PM 75° Showers And Thunderstorms Likely 60%
    22. 9 PM 74° Showers And Thunderstorms Likely 60%
    23. 10 PM 72° Rain Showers Likely 60%
    24. 11 PM 71° Rain Showers Likely 60%
  4. Fri 8/14 Chance Rain Showers 51% 80° · 66°
    1. 12 AM 71° Rain Showers Likely 60%
    2. 1 AM 70° Chance Rain Showers 51%
    3. 2 AM 70° Chance Rain Showers 51%
    4. 3 AM 69° Chance Rain Showers 51%
    5. 4 AM 68° Chance Rain Showers 51%
    6. 5 AM 68° Chance Rain Showers 51%
    7. 6 AM 67° Chance Rain Showers 51%
    8. 7 AM 68° Slight Chance Rain Showers 23%
    9. 8 AM 70° Slight Chance Rain Showers 23%
    10. 9 AM 72° Slight Chance Rain Showers 23%
    11. 10 AM 75° Slight Chance Rain Showers 23%
    12. 11 AM 77° Slight Chance Rain Showers 23%
    13. 12 PM 78° Slight Chance Rain Showers 23%
    14. 1 PM 79° Partly Sunny 7%
    15. 2 PM 79° Partly Sunny 7%
    16. 3 PM 79° Partly Sunny 7%
    17. 4 PM 78° Partly Sunny 7%
    18. 5 PM 78° Partly Sunny 7%
    19. 6 PM 77° Mostly Cloudy 7%
    20. 7 PM 76° Partly Cloudy 14%
    21. 8 PM 75° Partly Cloudy 14%
    22. 9 PM 73° Partly Cloudy 14%
    23. 10 PM 72° Partly Cloudy 14%
    24. 11 PM 71° Partly Cloudy 14%
  5. Sat 8/15 Chance Showers And Thunderstorms 53% 84° · 71°
    1. 12 AM 70° Partly Cloudy 14%
    2. 1 AM 70° Chance Showers And Thunderstorms 51%
    3. 2 AM 69° Chance Showers And Thunderstorms 51%
    4. 3 AM 69° Chance Showers And Thunderstorms 51%
    5. 4 AM 68° Chance Showers And Thunderstorms 51%
    6. 5 AM 68° Chance Showers And Thunderstorms 51%
    7. 6 AM 67° Chance Showers And Thunderstorms 51%
    8. 7 AM 68° Chance Showers And Thunderstorms 53%
    9. 8 AM 69° Chance Showers And Thunderstorms 53%
    10. 9 AM 72° Chance Showers And Thunderstorms 53%
    11. 10 AM 74° Chance Showers And Thunderstorms 53%
    12. 11 AM 76° Chance Showers And Thunderstorms 53%
    13. 12 PM 78° Chance Showers And Thunderstorms 53%
    14. 1 PM 80° Slight Chance Showers And Thunderstorms 15%
    15. 2 PM 81° Slight Chance Showers And Thunderstorms 15%
    16. 3 PM 82° Slight Chance Showers And Thunderstorms 15%
    17. 4 PM 83° Slight Chance Showers And Thunderstorms 15%
    18. 5 PM 83° Slight Chance Showers And Thunderstorms 15%
    19. 6 PM 83° Slight Chance Showers And Thunderstorms 15%
    20. 7 PM 82° Slight Chance Showers And Thunderstorms 24%
    21. 8 PM 80° Slight Chance Showers And Thunderstorms 24%
    22. 9 PM 78° Slight Chance Showers And Thunderstorms 24%
    23. 10 PM 77° Slight Chance Showers And Thunderstorms 24%
    24. 11 PM 76° Slight Chance Showers And Thunderstorms 24%
  6. Sun 8/16 Chance Showers And Thunderstorms 48% 85° · 67°
    1. 12 AM 75° Slight Chance Showers And Thunderstorms 24%
    2. 1 AM 74° Chance Showers And Thunderstorms 48%
    3. 2 AM 74° Chance Showers And Thunderstorms 48%
    4. 3 AM 73° Chance Showers And Thunderstorms 48%
    5. 4 AM 73° Chance Showers And Thunderstorms 48%
    6. 5 AM 72° Chance Showers And Thunderstorms 48%
    7. 6 AM 71° Chance Showers And Thunderstorms 48%
    8. 7 AM 71° Slight Chance Showers And Thunderstorms 20%
    9. 8 AM 74° Slight Chance Showers And Thunderstorms 20%
    10. 9 AM 76° Slight Chance Showers And Thunderstorms 20%
    11. 10 AM 79° Slight Chance Showers And Thunderstorms 20%
    12. 11 AM 81° Slight Chance Showers And Thunderstorms 20%
    13. 12 PM 83° Slight Chance Showers And Thunderstorms 20%
    14. 1 PM 84° Chance Showers And Thunderstorms 31%
    15. 2 PM 84° Chance Showers And Thunderstorms 31%
    16. 3 PM 84° Chance Showers And Thunderstorms 31%
    17. 4 PM 83° Chance Showers And Thunderstorms 31%
    18. 5 PM 82° Chance Showers And Thunderstorms 31%
    19. 6 PM 82° Chance Showers And Thunderstorms 31%
    20. 7 PM 80° Slight Chance Rain Showers 20%
    21. 8 PM 78° Slight Chance Rain Showers 20%
    22. 9 PM 76° Slight Chance Rain Showers 20%
    23. 10 PM 74° Slight Chance Rain Showers 20%
    24. 11 PM 72° Slight Chance Rain Showers 20%
  7. Mon 8/17 Mostly Sunny 12% 80° · 63°
    1. 12 AM 72° Slight Chance Rain Showers 20%
    2. 1 AM 71° Partly Cloudy 10%
    3. 2 AM 70° Partly Cloudy 10%
    4. 3 AM 69° Partly Cloudy 10%
    5. 4 AM 68° Partly Cloudy 10%
    6. 5 AM 67° Partly Cloudy 10%
    7. 6 AM 67° Mostly Sunny 10%
    8. 7 AM 67° Mostly Sunny 6%
    9. 8 AM 70° Mostly Sunny 6%
    10. 9 AM 72° Mostly Sunny 6%
    11. 10 AM 75° Mostly Sunny 6%
    12. 11 AM 77° Mostly Sunny 6%
    13. 12 PM 78° Mostly Sunny 6%
    14. 1 PM 79° Partly Sunny 12%
    15. 2 PM 79° Partly Sunny 12%
    16. 3 PM 78° Mostly Sunny 12%
    17. 4 PM 78° Mostly Sunny 12%
    18. 5 PM 77° Mostly Sunny 12%
    19. 6 PM 76° Partly Cloudy 12%
    20. 7 PM 75° Partly Cloudy 7%
    21. 8 PM 73° Partly Cloudy 7%
    22. 9 PM 71° Partly Cloudy 7%
    23. 10 PM 69° Partly Cloudy 7%
Extended outlook days 8–16
  1. Tue 8/18 Cloudy 6% 76° · 58°
  2. Wed 8/19 Drizzle 15% 80° · 63°
  3. Thu 8/20 Cloudy 16% 80° · 64°
  4. Fri 8/21 Drizzle 13% 91° · 74°
  5. Sat 8/22 Drizzle 19% 74° · 62°
  6. Sun 8/23 Cloudy 14% 69° · 55°
  7. Mon 8/24 Mostly Sunny 15% 70° · 52°
  8. Tue 8/25 Cloudy 32% 71° · 49°
  9. Wed 8/26 Cloudy 17% 76° · 55°

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, 8/17

Mostly Sunny, 80° / 63°

  1. Tomorrow83°68°
  2. Thu80°67°
  3. Fri80°66°
  4. Sat84°71°
  5. Sun85°67°
  6. Mon80°63°

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

    warm at 67°F · calm wind · slight chance of rain (10%) · rain should clear by 6 AM · pollen moderate today

    Excellent96 / 100
  • BikeTomorrow 6 AM

    comfortable at 69°F · calm wind · slight chance of rain (18%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • GolfTomorrow 6 AM

    comfortable at 69°F · calm wind · slight chance of rain (18%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • PicnicTomorrow 6 AM

    comfortable at 69°F · calm wind · slight chance of rain (18%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • Magic ShowAnytime

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

    Corporate Magician Scott Henderson

Climate normals

What weather to expect in Joliet

Joliet in August typically averages 81° highs and 64° lows, with about 13 days of rain. The hottest stretch is July (average high 84°); the coldest is January (average low 15°). April is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan29°15°11
Feb38°22°9
Mar55°34°16
Apr63°44°17
May70°50°14
Jun80°63°16
Jul84°68°17
Aug81°64°13
Sep78°59°8
Oct67°49°7
Nov50°37°11
Dec36°22°14

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

More for Joliet

Other cities in Illinois

Detailed forecast (NWS)

Today
Showers and thunderstorms before 3pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. High near 84, with temperatures falling to around 82 in the afternoon. South southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 5pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. South southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers likely before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 80. East wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.
Friday
A chance of rain showers before 1pm. Partly sunny, with a high near 80.

Forecast details

NWS gridpoint
LOT 61,56
Radar station
KLOT
Time zone
America/Chicago
Coordinates
41.525, -88.082