San Jose, CA
California · Records since 1893–2026
☀️ 74°F
Currently in San Jose
As of 5:00 PM PDT
Records for July 28
🔥 Record High
100°F
July 28, 1954
+19° from 81° normal❄ Record Low
40°F
July 28, 1893
-19° from 59° normal
🌞 Normal high: 81°F 🌑 Normal low: 59°F 1991–2020 normals
All-Time Records — San Jose
109°F
Hottest Day Ever
Sep 6, 2022
18°F
Coldest Day Ever
Jan 6, 1894
4.32"
Wettest Day Ever
Sep 12, 1918
1.0"
Most Snow in One Day
Dec 11, 1932
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | July 28, 1954 |
| 2 | 96°F | July 28, 1996 |
| 3 | 94°F | July 28, 2015 |
| 4 | 93°F | July 28, 1952 |
| 5 | 92°F | July 28, 1980 |
| 6 | 92°F | July 28, 1943 |
| 7 | 91°F | July 28, 1967 |
| 8 | 90°F | July 28, 1937 |
| 9 | 90°F | July 28, 1923 |
| 10 | 89°F | July 28, 1988 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 40°F | July 28, 1893 |
| 2 | 45°F | July 28, 1916 |
| 3 | 46°F | July 28, 1895 |
| 4 | 47°F | July 28, 1909 |
| 5 | 48°F | July 28, 1904 |
Heat Wave Summary — San Jose
threshold: 90°F (90th percentile of historical Jun–Aug highs)3.7
Avg heat wave length
days (historical)
98°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
113 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1893–20264
2026 so far
16
Avg/year 1970–2025
20
Avg/year (last 10 complete)
43
Most in a year (1996)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — San Jose
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Sep 30, 2024 – Oct 7, 2024 | 8 | 106°F (Oct 2) | 100°F | 64°F |
| 2 | Sep 16, 1939 – Sep 23, 1939 | 8 | 101°F (Sep 21) | 96°F | 63°F |
| 3 | Aug 9, 1996 – Aug 16, 1996 | 8 | 100°F (Aug 12) | 94°F | 62°F |
| 4 | Jun 15, 1981 – Jun 22, 1981 | 8 | 97°F (Jun 19) | 95°F | 63°F |
| 5 | Jul 3, 1905 – Jul 9, 1905 | 7 | 108°F (Jul 7) | 101°F | 59°F |
| 6 | Aug 13, 2020 – Aug 19, 2020 | 7 | 103°F (Aug 14) | 97°F | 70°F |
| 7 | Jun 23, 1976 – Jun 29, 1976 | 7 | 102°F (Jun 27) | 99°F | 61°F |
| 8 | Jun 1, 1996 – Jun 7, 1996 | 7 | 100°F (Jun 2) | 96°F | 59°F |
| 9 | Sep 4, 2022 – Sep 9, 2022 | 6 | 109°F (Sep 6) | 101°F | 68°F |
| 10 | Jul 20, 2006 – Jul 25, 2006 | 6 | 104°F (Jul 23) | 98°F | 70°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
32
2026 so far
above-normal nights
34.7
Avg / summer
1970–2020
78
Most in a summer
2024
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
7.37"
2026 YTD
Normal: 9.21"
-1.84"
0.00"
July so far
0.00"
Summer so far
Summer normal: 0.23"
-0.23"
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")