Chicago, IL 14-Day Forecast
Illinois, United States 🇺🇸
72°
Clear right now
Today: high 86°, low 63°
Updated 2 hours ago
Chicago weather for the next 14 days
Thursday, August 27
Sunny High 83° Low 64°Precipitation
5%
· 0.0 in
Max wind
7 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
06:11 AM / 07:32 PM
Friday, August 28
Sunny High 84° Low 66°Precipitation
4%
· 0.0 in
Max wind
9 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
06:12 AM / 07:31 PM
Saturday, August 29
Overcast High 80° Low 65°Precipitation
14%
· 0.0 in
Max wind
10 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
06:13 AM / 07:29 PM
Sunday, August 30
Overcast High 87° Low 68°Precipitation
57%
· 0.04 in
Max wind
14 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
06:14 AM / 07:28 PM
Monday, August 31
Overcast High 86° Low 74°Precipitation
57%
· 0.04 in
Max wind
11 mph
Humidity
62%
UV index
6 - High
Sunrise / sunset
06:15 AM / 07:26 PM
Tuesday, September 1
Patchy rain nearby High 90° Low 72°Precipitation
57%
· 0.08 in
Max wind
11 mph
Humidity
71%
UV index
8 - Very High
Sunrise / sunset
06:16 AM / 07:24 PM
Wednesday, September 2
Sunny High 92° Low 78°Precipitation
5%
· 0.0 in
Max wind
9 mph
Humidity
59%
UV index
8 - Very High
Sunrise / sunset
06:17 AM / 07:23 PM
Thursday, September 3
Overcast High 93° Low 75°Precipitation
12%
· 0.0 in
Max wind
11 mph
Humidity
64%
UV index
8 - Very High
Sunrise / sunset
06:18 AM / 07:21 PM
Friday, September 4
Sunny High 89° Low 74°Precipitation
59%
· 0.07 in
Max wind
15 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
06:19 AM / 07:19 PM
Saturday, September 5
Patchy rain nearby High 72° Low 68°Precipitation
30%
· 0.0 in
Max wind
11 mph
Humidity
82%
UV index
5 - Moderate
Sunrise / sunset
06:20 AM / 07:17 PM
Sunday, September 6
Overcast High 79° Low 65°Precipitation
6%
· 0.0 in
Max wind
8 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
06:21 AM / 07:16 PM
Monday, September 7
Sunny High 72° Low 61°Precipitation
7%
· 0.0 in
Max wind
12 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:22 AM / 07:14 PM
Tuesday, September 8
Overcast High 66° Low 57°Precipitation
79%
· 0.34 in
Max wind
10 mph
Humidity
72%
UV index
4 - Moderate
Sunrise / sunset
06:23 AM / 07:12 PM
Chicago 14-day outlook: the story
The warmest day of Chicago's 14-day outlook is Thursday, September 3 with a high near 93°F (34°C); the coolest night comes Tuesday, September 8, dipping to 57°F (14°C). The trend points cooler: week two runs about 5°F below week one. Highs over the next two weeks average 85°F (30°C), about 5°F (3°C) above the typical August high of 80°F (26°C).
Precipitation is most likely on Sunday 30, Monday 31, Tuesday 1, Friday 4 and beyond; the wettest day looks like Tuesday, September 8 with about 0.34 in (8.7 mm) expected. For the weekend, expect Saturday 80°F (27°C) and overcast / Sunday 87°F (30°C) and overcast.
For typical conditions month by month, see the Chicago climate & average temperatures guide.
Chicago forecast questions
Will it rain in Chicago this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Tuesday, September 8.
What will be the warmest day in Chicago over the next 14 days?
Thursday, September 3, with a forecast high near 93°F (34°C).
How accurate is a 14-day forecast for Chicago?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Chicago by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 20° | 10 | 2.6 in | 4.9 h/day | 76% |
| February | 36° | 20° | 9 | 2.4 in | 6.8 h/day | 73% |
| March | 45° | 31° | 11 | 3.5 in | 7.9 h/day | 74% |
| April | 54° | 39° | 14 | 4.2 in | 8.8 h/day | 73% |
| May | 66° | 50° | 13 | 5.3 in | 10.1 h/day | 76% |
| June | 77° | 61° | 12 | 4.5 in | 11.6 h/day | 73% |
| July | 80° | 67° | 12 | 6.0 in | 11.8 h/day | 77% |
| August | 80° | 66° | 12 | 4.2 in | 11.5 h/day | 76% |
| September | 75° | 62° | 10 | 3.8 in | 9.6 h/day | 74% |
| October | 62° | 49° | 12 | 4.8 in | 7.5 h/day | 72% |
| November | 48° | 36° | 8 | 2.5 in | 6.0 h/day | 73% |
| December | 39° | 28° | 9 | 2.6 in | 5.0 h/day | 75% |