Joliet, Illinois · now
Mostly Cloudy
- High / Low
- 64° / 41°
- Wind
- 25 mph NNW
- Humidity
- 65%
Tomorrow· Thursday70°/49°· Sunny
7° warmer than yesterday at this time
Current weather and 7-day forecast for Joliet, Illinois, sourced directly from the National Weather Service. Expect partly sunny today. Today's high is 64° with a low near 41°.
What to wear today
Long sleeves or short — your call
Sweet spot at 64°F. Most people will be comfortable in either.
Temperature · next 24 hours
Next 24 hours
-
7 AM
52°
0%
-
9 AM
54°
0%
-
11 AM
56°
0%
-
1 PM
60°
0%
-
3 PM
63°
0%
-
5 PM
64°
0%
-
7 PM
61°
0%
-
9 PM
54°
0%
-
11 PM
48°
0%
-
1 AM
45°
0%
-
3 AM
42°
0%
-
5 AM
41°
0%
Live radar
View full radar →7 days
- Today 5/13 Partly Sunny 0% 64° · 41°
- Thu 5/14 Sunny 31% 70° · 49°
- Fri 5/15
Chance Rain Showers 40% 76° · 57° - Sat 5/16
Chance Showers And Thunderstorms 64% 87° · 60° - Sun 5/17 Chance Showers And Thunderstorms 47% 83° · 64°
- Mon 5/18 Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 62% 89° · 62°
- Tue 5/19 Rain Showers Likely 71% 76° · 54°
Extended outlook days 8–16
- Wed 5/20
Drizzle 47% 58° · 49° - Thu 5/21 Mostly Sunny 19% 70° · 47°
- Fri 5/22
Partly Cloudy 19% 77° · 55° - Sat 5/23
Cloudy 21% 82° · 59° - Sun 5/24 Drizzle 20% 81° · 70°
- Mon 5/25 Drizzle 29% 83° · 69°
- Tue 5/26 Drizzle 23% 71° · 67°
- Wed 5/27 Drizzle 22% 74° · 57°
- Thu 5/28 Partly Cloudy 40% 63° · 47°
Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.
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.
- Run8 AM
comfortable at 53°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Bike1 PM
comfortable at 60°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent99 / 100 - Golf1 PM
comfortable at 60°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Picnic4 PM
cool but workable at 64°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent93 / 100
Climate normals
What weather to expect in Joliet
Joliet in May typically averages 70° highs and 50° lows, with about 16 days of rain. The hottest stretch is June (average high 83°); the coldest is January (average low 15°). July is the wettest month on average.
| Month | Avg high | Avg low | Rainy days |
|---|---|---|---|
| Jan | 29° | 15° | 11 |
| Feb | 38° | 22° | 9 |
| Mar | 55° | 34° | 16 |
| Apr | 63° | 44° | 17 |
| May | 70° | 50° | 16 |
| Jun | 83° | 64° | 15 |
| Jul | 83° | 66° | 18 |
| Aug | 82° | 64° | 12 |
| Sep | 78° | 59° | 8 |
| Oct | 67° | 49° | 7 |
| Nov | 50° | 37° | 11 |
| Dec | 36° | 22° | 14 |
Normals derived from the past two years of observations via Open-Meteo's historical archive.
More for Joliet
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