San Diego, CA
California · Records since 1874–2026
⛅ 77°F
Feels like 82°
Currently in San Diego
As of 5:00 PM PDT
Records for July 28
🔥 Record High
92°F
July 28, 1972
+16° from 76° normal❄ Record Low
59°F
July 28, 1909
-8° from 67° normal
🌞 Normal high: 76°F 🌑 Normal low: 67°F 1991–2020 normals
All-Time Records — San Diego
111°F
Hottest Day Ever
Sep 26, 1963
25°F
Coldest Day Ever
Jan 7, 1913
3.34"
Wettest Day Ever
Dec 2, 1854
0.0"
Most Snow in One Day
Jul 26, 2026
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 92°F | July 28, 1972 |
| 2 | 86°F | July 28, 1977 |
| 3 | 86°F | July 28, 1947 |
| 4 | 84°F | July 28, 2014 |
| 5 | 84°F | July 28, 1980 |
| 6 | 84°F | July 28, 1967 |
| 7 | 84°F | July 28, 1931 |
| 8 | 83°F | July 28, 2006 |
| 9 | 83°F | July 28, 1960 |
| 10 | 82°F | July 28, 1984 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 59°F | July 28, 1909 |
| 2 | 60°F | July 28, 1930 |
| 3 | 60°F | July 28, 1881 |
| 4 | 61°F | July 28, 1916 |
| 5 | 61°F | July 28, 1914 |
Heat Wave Summary — San Diego
threshold: 80°F (90th percentile of historical Jun–Aug highs)4.6
Avg heat wave length
days (historical)
88°
Avg peak temp
during heat waves
8
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
125 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1874–20260
2026 so far
3
Avg/year 1970–2025
6
Avg/year (last 10 complete)
13
Most in a year (2014)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — San Diego
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 23, 1983 – Sep 21, 1983 | 30 | 92°F (Sep 10) | 84°F | 72°F |
| 2 | Sep 2, 1984 – Sep 20, 1984 | 19 | 100°F (Sep 8) | 86°F | 75°F |
| 3 | Jul 29, 2018 – Aug 14, 2018 | 17 | 91°F (Aug 7) | 86°F | 74°F |
| 4 | Jul 18, 1960 – Aug 3, 1960 | 17 | 89°F (Jul 23) | 83°F | 68°F |
| 5 | Jul 9, 1981 – Jul 24, 1981 | 16 | 85°F (Jul 21) | 82°F | 71°F |
| 6 | Aug 30, 2022 – Sep 13, 2022 | 15 | 95°F (Sep 3) | 87°F | 72°F |
| 7 | Aug 25, 1995 – Sep 8, 1995 | 15 | 88°F (Sep 2) | 83°F | 67°F |
| 8 | Aug 25, 1952 – Sep 7, 1952 | 14 | 90°F (Sep 6) | 84°F | 66°F |
| 9 | Jul 7, 1984 – Jul 20, 1984 | 14 | 90°F (Jul 15) | 85°F | 73°F |
| 10 | Sep 10, 1979 – Sep 22, 1979 | 13 | 100°F (Sep 15) | 88°F | 71°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
39
2026 so far
above-normal nights
35.3
Avg / summer
1970–2020
91
Most in a summer
1981
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
5.37"
2026 YTD
Normal: 6.69"
-1.32"
0.00"
July so far
July normal: 0.08"
-0.08"
0.00"
Summer so far
Summer normal: 0.14"
-0.14"
1
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")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")