Portland Downtown, OR
Oregon · Records since 1874–2026
☀️ 81°F
Currently in Portland Downtown
As of 5:00 PM PDT
Records for July 28
🔥 Record High
105°F
July 28, 2009
+23° from 82° normal❄ Record Low
48°F
July 28, 1880
-11° from 59° normal
🌞 Normal high: 82°F 🌑 Normal low: 59°F 1991–2020 normals
All-Time Records — Portland Downtown
114°F
Hottest Day Ever
Jun 28, 2021
-2°F
Coldest Day Ever
Jan 15, 1888
6.68"
Wettest Day Ever
Dec 13, 1882
15.5"
Most Snow in One Day
Jan 21, 1943
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 105°F | July 28, 2009 |
| 2 | 100°F | July 28, 1998 |
| 3 | 97°F | July 28, 2003 |
| 4 | 97°F | July 28, 1958 |
| 5 | 95°F | July 28, 1960 |
| 6 | 94°F | July 28, 2022 |
| 7 | 94°F | July 28, 1985 |
| 8 | 94°F | July 28, 1974 |
| 9 | 93°F | July 28, 1929 |
| 10 | 92°F | July 28, 1939 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 48°F | July 28, 1880 |
| 2 | 49°F | July 28, 1890 |
| 3 | 49°F | July 28, 1882 |
| 4 | 51°F | July 28, 1986 |
| 5 | 51°F | July 28, 1959 |
Heat Wave Summary — Portland Downtown
threshold: 89°F (90th percentile of historical Jun–Aug highs)3.9
Avg heat wave length
days (historical)
97°
Avg peak temp
during heat waves
0
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
108 of 192 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1875–20264
2026 so far
10
Avg/year 1970–2025
14
Avg/year (last 10 complete)
24
Most in a year (1967)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Portland Downtown
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 25, 2009 – Aug 3, 2009 | 10 | 105°F (Jul 28) | 96°F | 66°F |
| 2 | Aug 12, 1967 – Aug 20, 1967 | 9 | 98°F (Aug 15) | 94°F | 64°F |
| 3 | Jul 22, 2018 – Jul 30, 2018 | 9 | 97°F (Jul 29) | 92°F | 61°F |
| 4 | Jul 26, 1974 – Aug 3, 1974 | 9 | 96°F (Jul 31) | 92°F | 62°F |
| 5 | Aug 6, 1981 – Aug 12, 1981 | 7 | 106°F (Aug 10) | 101°F | 66°F |
| 6 | Aug 3, 1972 – Aug 9, 1972 | 7 | 102°F (Aug 7) | 94°F | 65°F |
| 7 | Jul 25, 2022 – Jul 31, 2022 | 7 | 101°F (Jul 26) | 97°F | 67°F |
| 8 | Jul 17, 1888 – Jul 23, 1888 | 7 | 97°F (Jul 17) | 94°F | 59°F |
| 9 | Jul 12, 1911 – Jul 18, 1911 | 7 | 97°F (Jul 13) | 94°F | 65°F |
| 10 | Jun 30, 2015 – Jul 6, 2015 | 7 | 95°F (Jul 2) | 94°F | 63°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
19
2026 so far
above-normal nights
35.6
Avg / summer
1970–2020
68
Most in a summer
1958
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
19.18"
2026 YTD
Normal: 24.02"
-4.84"
0.00"
July so far
July normal: 0.43"
-0.43"
1.36"
Summer so far
Summer normal: 2.46"
-1.10"
3
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")