Chicago, IL 14-Day Forecast
Illinois, United States 🇺🇸
75°
Partly Cloudy right now
Today: high 79°, low 65°
Updated 8 min ago
Chicago weather for the next 14 days
Friday, August 7
Patchy rain nearby High 82° Low 68°Precipitation
73%
· 0.11 in
Max wind
8 mph
Humidity
86%
UV index
8 - High
Sunrise / sunset
05:50 AM / 08:02 PM
Saturday, August 8
Sunny High 84° Low 70°Precipitation
57%
· 0.06 in
Max wind
7 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:51 AM / 08:00 PM
Sunday, August 9
Sunny High 72° Low 68°Precipitation
86%
· 1.37 in
Max wind
19 mph
Humidity
89%
UV index
7 - High
Sunrise / sunset
05:52 AM / 07:59 PM
Monday, August 10
Patchy rain nearby High 76° Low 71°Precipitation
86%
· 0.47 in
Max wind
13 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
05:53 AM / 07:58 PM
Tuesday, August 11
Patchy rain nearby High 74° Low 68°Precipitation
88%
· 2.14 in
Max wind
10 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
05:54 AM / 07:56 PM
Wednesday, August 12
Sunny High 80° Low 66°Precipitation
74%
· 0.26 in
Max wind
8 mph
Humidity
84%
UV index
7 - High
Sunrise / sunset
05:55 AM / 07:55 PM
Thursday, August 13
Mist High 72° Low 68°Precipitation
48%
· 0.03 in
Max wind
9 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:56 AM / 07:54 PM
Friday, August 14
Sunny High 75° Low 65°Precipitation
67%
· 0.33 in
Max wind
11 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
05:57 AM / 07:52 PM
Saturday, August 15
Light drizzle High 68° Low 64°Precipitation
94%
· 0.46 in
Max wind
14 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
05:58 AM / 07:51 PM
Sunday, August 16
Patchy rain nearby High 72° Low 67°Precipitation
71%
· 0.04 in
Max wind
12 mph
Humidity
89%
UV index
5 - Moderate
Sunrise / sunset
05:59 AM / 07:49 PM
Monday, August 17
Sunny High 71° Low 66°Precipitation
11%
· 0.0 in
Max wind
14 mph
Humidity
70%
UV index
6 - High
Sunrise / sunset
06:01 AM / 07:48 PM
Tuesday, August 18
Sunny High 74° Low 63°Precipitation
4%
· 0.0 in
Max wind
10 mph
Humidity
64%
UV index
6 - High
Sunrise / sunset
06:02 AM / 07:46 PM
Wednesday, August 19
Sunny High 78° Low 63°Precipitation
5%
· 0.0 in
Max wind
13 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
06:03 AM / 07:45 PM
Chicago 14-day outlook: the story
The warmest day of Chicago's 14-day outlook is Saturday, August 8 with a high near 84°F (29°C); the coolest night comes Tuesday, August 18, dipping to 63°F (17°C). The trend points cooler: week two runs about 5°F below week one. Highs over the next two weeks average 78°F (26°C), right in line with the typical August high of 80°F (26°C).
Precipitation is most likely on Thursday 6, Friday 7, Saturday 8, Sunday 9 and beyond; the wettest day looks like Tuesday, August 11 with about 2.14 in (54.5 mm) expected. For the weekend, expect Saturday 84°F (29°C) and sunny / Sunday 72°F (22°C) and sunny.
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 10 of the next 14 days, peaking around Tuesday, August 11.
What will be the warmest day in Chicago over the next 14 days?
Saturday, August 8, with a forecast high near 84°F (29°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% |
14-day forecasts nearby