Riverside, CA
California · Records since 1893–2026
☀️ 96°F
Feels like 92°
Currently in Riverside
As of 5:00 PM PDT
Records for July 28
🔥 Record High
116°F
July 28, 1934
+22° from 94° normal❄ Record Low
49°F
July 28, 1903
-16° from 65° normal
🌞 Normal high: 94°F 🌑 Normal low: 65°F 1991–2020 normals
All-Time Records — Riverside
118°F
Hottest Day Ever
Jul 6, 2018
19°F
Coldest Day Ever
Jan 7, 1950
4.42"
Wettest Day Ever
Mar 4, 1938
2.0"
Most Snow in One Day
Jan 11, 1949
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 116°F | July 28, 1934 |
| 2 | 109°F | July 28, 1972 |
| 3 | 106°F | July 28, 1998 |
| 4 | 106°F | July 28, 1937 |
| 5 | 105°F | July 28, 1995 |
| 6 | 105°F | July 28, 1980 |
| 7 | 105°F | July 28, 1931 |
| 8 | 104°F | July 28, 1947 |
| 9 | 103°F | July 28, 1996 |
| 10 | 102°F | July 28, 2023 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 49°F | July 28, 1903 |
| 2 | 50°F | July 28, 1930 |
| 3 | 50°F | July 28, 1918 |
| 4 | 51°F | July 28, 1955 |
| 5 | 51°F | July 28, 1950 |
Heat Wave Summary — Riverside
threshold: 101°F (90th percentile of historical Jun–Aug highs)4.2
Avg heat wave length
days (historical)
107°
Avg peak temp
during heat waves
10
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
132 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1893–202652
2026 so far
95
Avg/year 1970–2025
106
Avg/year (last 10 complete)
146
Most in a year (1917)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Riverside
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 22, 1980 – Aug 1, 1980 | 11 | 109°F (Jul 29) | 103°F | 70°F |
| 2 | Aug 12, 2020 – Aug 21, 2020 | 10 | 109°F (Aug 15) | 104°F | 72°F |
| 3 | Aug 27, 1995 – Sep 5, 1995 | 10 | 108°F (Sep 2) | 104°F | 66°F |
| 4 | Aug 26, 2009 – Sep 4, 2009 | 10 | 108°F (Aug 27) | 104°F | 69°F |
| 5 | Aug 12, 1992 – Aug 21, 1992 | 10 | 107°F (Aug 17) | 105°F | 72°F |
| 6 | Sep 10, 1913 – Sep 18, 1913 | 9 | 111°F (Sep 17) | 105°F | 58°F |
| 7 | Sep 8, 1979 – Sep 16, 1979 | 9 | 111°F (Sep 9) | 105°F | 65°F |
| 8 | Aug 30, 2022 – Sep 7, 2022 | 9 | 110°F (Sep 4) | 107°F | 75°F |
| 9 | Aug 6, 2012 – Aug 14, 2012 | 9 | 106°F (Aug 6) | 104°F | 73°F |
| 10 | Aug 24, 1922 – Sep 1, 1922 | 9 | 104°F (Aug 27) | 103°F | 62°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
33.9
Avg / summer
1970–2020
68
Most in a summer
2022
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
3.57"
2026 YTD
Normal: 6.81"
-3.24"
0.00"
July so far
July normal: 0.12"
-0.12"
0.00"
Summer so far
Summer normal: 0.15"
-0.15"
0
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")