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Weather Joliet: Current forecast

Joliet / Illinois (IL) / United States

32.1 °C
Feels like 44.8 °C
Min 22 °C / Max 35 °C
Weather Joliet: Partly cloudy, 32 °C Partly cloudy
14.4 km/h NNW
Wind
21.7 km/h NNW
Gusts
1012 hPa
Pressure
0.6 mm
Precipitation
52 %
Humidity
1
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Moderate
Mugwort None
Ragweed None
05:34 / 20:23
Sunrise / Sunset
10:26 / 22:48
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 1:16 CEST Jul 18, 2026, 18:16 CDT

Today's Summary

If you head out in Joliet today, you'll see a partly cloudy sky. The thermometer currently shows 32.1°C. With wind from the north-north-west, it feels noticeably colder, around 44.8°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 22.2°C and 35°C.

Hourly forecast – Joliet, today

Jul 18, 19:00
23 °C
Clear
Joliet Jul 18, 19:00: Clear, 23 °C
Jul 18, 20:00
23 °C
Clear
Joliet Jul 18, 20:00: Clear, 23 °C
Jul 18, 21:00
22 °C
Clear
Joliet Jul 18, 21:00: Clear, 22 °C
Jul 18, 22:00
22 °C
Clear
Joliet Jul 18, 22:00: Clear, 22 °C
Jul 18, 23:00
21 °C
Clear
Joliet Jul 18, 23:00: Clear, 21 °C
Jul 19, 00:00
20 °C
Clear
Joliet Jul 19, 00:00: Clear, 20 °C
Jul 19, 01:00
20 °C
Clear
Joliet Jul 19, 01:00: Clear, 20 °C
Jul 19, 02:00
20 °C
Clear
Joliet Jul 19, 02:00: Clear, 20 °C
Jul 19, 03:00
19 °C
Clear
Joliet Jul 19, 03:00: Clear, 19 °C
Jul 19, 04:00
19 °C
Sunny
Joliet Jul 19, 04:00: Sunny, 19 °C
Jul 19, 05:00
20 °C
Sunny
Joliet Jul 19, 05:00: Sunny, 20 °C
Jul 19, 06:00
22 °C
Sunny
Joliet Jul 19, 06:00: Sunny, 22 °C
Jul 19, 07:00
23 °C
Sunny
Joliet Jul 19, 07:00: Sunny, 23 °C
Jul 19, 08:00
25 °C
Sunny
Joliet Jul 19, 08:00: Sunny, 25 °C
Jul 19, 09:00
26 °C
Sunny
Joliet Jul 19, 09:00: Sunny, 26 °C
Jul 19, 10:00
27 °C
Sunny
Joliet Jul 19, 10:00: Sunny, 27 °C
Jul 19, 11:00
28 °C
Sunny
Joliet Jul 19, 11:00: Sunny, 28 °C
Jul 19, 12:00
28 °C
Sunny
Joliet Jul 19, 12:00: Sunny, 28 °C
Jul 19, 13:00
28 °C
Sunny
Joliet Jul 19, 13:00: Sunny, 28 °C
Jul 19, 14:00
28 °C
Sunny
Joliet Jul 19, 14:00: Sunny, 28 °C
Jul 19, 15:00
28 °C
Sunny
Joliet Jul 19, 15:00: Sunny, 28 °C
Jul 19, 16:00
27 °C
Sunny
Joliet Jul 19, 16:00: Sunny, 27 °C
Jul 19, 17:00
25 °C
Patchy rain possible
Joliet Jul 19, 17:00: Patchy rain possible, 25 °C
Jul 19, 18:00
22 °C
Sunny
Joliet Jul 19, 18:00: Sunny, 22 °C
Time
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
Joliet Jul 18, 19:00: Clear
Joliet Jul 18, 20:00: Clear
Joliet Jul 18, 21:00: Clear
Joliet Jul 18, 22:00: Clear
Joliet Jul 18, 23:00: Clear
Joliet Jul 19, 00:00: Clear
Joliet Jul 19, 01:00: Clear
Joliet Jul 19, 02:00: Clear
Joliet Jul 19, 03:00: Clear
Joliet Jul 19, 04:00: Sunny
Joliet Jul 19, 05:00: Sunny
Joliet Jul 19, 06:00: Sunny
Joliet Jul 19, 07:00: Sunny
Joliet Jul 19, 08:00: Sunny
Joliet Jul 19, 09:00: Sunny
Joliet Jul 19, 10:00: Sunny
Joliet Jul 19, 11:00: Sunny
Joliet Jul 19, 12:00: Sunny
Joliet Jul 19, 13:00: Sunny
Joliet Jul 19, 14:00: Sunny
Joliet Jul 19, 15:00: Sunny
Joliet Jul 19, 16:00: Sunny
Joliet Jul 19, 17:00: Patchy rain possible
Joliet Jul 19, 18:00: Sunny
Temperature (°C)
Chance of rain (%)
10
12
12
11
10
10
12
12
11
12
11
8
6
4
3
2
2
2
2
2
3
5
13
8
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0 mm
—
Wind (km/h)
ENE
10
ENE
12
ENE
11
NE
10
NE
11
NE
9
NNE
9
NE
9
NNE
9
NNE
8
NE
7
ENE
9
ENE
9
NE
8
ENE
8
NE
7
ENE
5
ENE
4
ENE
4
ENE
4
E
4
ESE
4
ESE
5
ESE
7
Pressure (hPa)
1013
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1015
Humidity (%)
82 %
86 %
88 %
86 %
83 %
83 %
86 %
87 %
86 %
87 %
84 %
76 %
69 %
62 %
57 %
53 %
50 %
47 %
46 %
46 %
50 %
60 %
70 %
75 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
1 %
0 %
0 %
2 %
8 %
7 %
6 %
6 %
4 %
3 %
4 %
13 %
19 %
22 %
22 %
21 %
73 %
7 %

14-day weather forecast – Joliet

14-day trend for Joliet: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 12.1°C at night, with daytime highs up to 35°C.

Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Joliet July 18, 2026: Sunny
Joliet July 19, 2026: Sunny
Joliet July 20, 2026: Sunny
Joliet July 21, 2026: Patchy rain possible
Joliet July 22, 2026: Sunny
Joliet July 23, 2026: Sunny
Joliet July 24, 2026: Light rain shower
Joliet July 25, 2026: Fog
Joliet July 26, 2026: Sunny
Joliet July 27, 2026: Patchy rain possible
Joliet July 28, 2026: Patchy rain possible
Joliet July 29, 2026: Sunny
Joliet July 30, 2026: Sunny
Joliet July 31, 2026: Partly cloudy
Temperature (°C)
Chance of rain (%)
72
6
19
76
22
5
88
49
57
87
46
7
36
24
Precipitation
14.7 mm
0 mm
0.1 mm
6.6 mm
0.2 mm
—
28 mm
0.4 mm
1.5 mm
15.4 mm
0.6 mm
—
0.3 mm
0.3 mm
Wind max (km/h)
24
11
21
23
16
7
25
17
15
22
25
16
12
10
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 Joliet July 18, 2026: Sunny Sunny 22 °C 35 °C 05:34 20:23 10:26 22:48 Waxing Crescent (23 %)
July 19, 2026 Joliet July 19, 2026: Sunny Sunny 19 °C 28 °C 05:35 20:22 11:39 23:11 First Quarter (33 %)
July 20, 2026 Joliet July 20, 2026: Sunny Sunny 17 °C 27 °C 05:35 20:21 12:50 23:35 First Quarter (43 %)
July 21, 2026 Joliet July 21, 2026: Patchy rain possible Patchy rain possible 20 °C 28 °C 05:36 20:20 14:00 Does not set today First Quarter (53 %)
July 22, 2026 Joliet July 22, 2026: Sunny Sunny 13 °C 22 °C 05:37 20:19 15:09 00:01 First Quarter (64 %)
July 23, 2026 Joliet July 23, 2026: Sunny Sunny 12 °C 24 °C 05:38 20:19 16:16 00:32 Waxing Moon (74 %)
July 24, 2026 Joliet July 24, 2026: Light rain shower Light rain shower 14 °C 21 °C 05:39 20:18 17:19 01:09 Waxing Moon (82 %)
July 25, 2026 Joliet July 25, 2026: Fog Fog 17 °C 24 °C 05:40 20:17 18:14 01:54 Waxing Moon (90 %)
July 26, 2026 Joliet July 26, 2026: Sunny Sunny 16 °C 25 °C 05:41 20:16 19:02 02:46 Waxing Moon (95 %)
July 27, 2026 Joliet July 27, 2026: Patchy rain possible Patchy rain possible 18 °C 27 °C 05:42 20:15 19:40 03:44 Full Moon (99 %)
July 28, 2026 Joliet July 28, 2026: Patchy rain possible Patchy rain possible 17 °C 23 °C 05:43 20:14 20:12 04:46 Full Moon (100 %)
July 29, 2026 Joliet July 29, 2026: Sunny Sunny 16 °C 26 °C 05:44 20:13 20:39 05:49 Full Moon (99 %)
July 30, 2026 Joliet July 30, 2026: Sunny Sunny 16 °C 27 °C 05:45 20:12 21:01 06:52 Waning Moon (96 %)
July 31, 2026 Joliet July 31, 2026: Partly cloudy Partly cloudy 18 °C 28 °C 05:46 20:11 21:21 07:54 Waning Moon (91 %)
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