Chicago, IL
Illinois · Records since 1872–2026
🌙 59°F
Currently in Chicago
As of 12:45 AM CDT
Records for June 27
🔥 Record High
101°F
June 27, 1971
+18° from 83° normal❄ Record Low
47°F
June 27, 1992
-17° from 64° normal
🌞 Normal high: 83°F
🌑 Normal low: 64°F
1991–2020 normals
All-Time Records — Chicago
105°F
Hottest Day Ever
Jul 24, 1934
-27°F
Coldest Day Ever
Jan 20, 1985
6.86"
Wettest Day Ever
Jul 23, 2011
18.6"
Most Snow in One Day
Jan 2, 1999
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
91 of 176 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1970–20261
2026 so far
19
Avg/year 1970–2025
21
Avg/year (last 10 complete)
47
Most in a year (1988)
Top 10 Record Highs — June 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 101°F | June 27, 1971 |
| 2 | 100°F | June 27, 1944 |
| 3 | 100°F | June 27, 1933 |
| 4 | 97°F | June 27, 1943 |
| 5 | 96°F | June 27, 1963 |
| 6 | 96°F | June 27, 1913 |
| 7 | 95°F | June 27, 2005 |
| 8 | 95°F | June 27, 1998 |
| 9 | 95°F | June 27, 1964 |
| 10 | 95°F | June 27, 1874 |
Top 5 Record Lows — June 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 47°F | June 27, 1992 |
| 2 | 49°F | June 27, 1981 |
| 3 | 50°F | June 27, 2017 |
| 4 | 50°F | June 27, 1926 |
| 5 | 51°F | June 27, 1988 |
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
20.56"
2026 YTD
Normal: 18.12"
+2.44"
4.97"
June so far
June normal: 4.10"
+0.87"
4.97"
Summer so far
Summer normal: 12.06"
-7.09"
5
2026 heavy rain days
Days with ≥ 1.0"
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Even when annual totals stay similar, storms can become more intense and concentrated
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
10
2026 so far
above-normal nights
35.8
Avg / summer
1970–2020
65
Most in a summer
2020
Above-Normal Summer Nights Per Year
Average June–August Low Temperature by Decade
Decade averages of the actual overnight low