Oxnard, CA

California · Records since 1923–2026

☀️ 75°F
Currently in Oxnard
As of 5:00 PM PDT

Records for July 28

🔥 Record High

89°F

July 28, 1977

+11° from 78° normal

❄ Record Low

45°F

July 28, 1930

-15° from 60° normal
🌞 Normal high: 78°F 🌑 Normal low: 60°F 1991–2020 normals

All-Time Records — Oxnard

🔥
105°F
Hottest Day Ever
Sep 26, 2016
26°F
Coldest Day Ever
Jan 22, 1937
🌧
5.96"
Wettest Day Ever
Jan 26, 1956
0.0"
Most Snow in One Day
Feb 28, 2011

Top 10 Record Highs — July 28

# Temp Date
🏆 89°F July 28, 1977
2 85°F July 28, 1931
3 84°F July 28, 1998
4 84°F July 28, 1934
5 83°F July 28, 2006
6 82°F July 28, 2016
7 82°F July 28, 1976
8 82°F July 28, 1937
9 81°F July 28, 2018
10 81°F July 28, 2014

Top 5 Record Lows — July 28

# Temp Date
🥶 45°F July 28, 1930
2 49°F July 28, 1965
3 50°F July 28, 1925
4 50°F July 28, 1924
5 52°F July 28, 2012
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1923–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Oxnard

threshold: 79°F (90th percentile of historical Jun–Aug highs)
4.6
Avg heat wave length
days (historical)
88°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights ≥ 70°F
6
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

80 of 202 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1923–2026
2
2026 so far
4
Avg/year 1970–2025
8
Avg/year (last 10 complete)
18
Most in a year (1939)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Oxnard

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 19, 2018 – Aug 25, 2018 38 89°F (Aug 7) 83°F 64°F
2 Aug 21, 2019 – Sep 18, 2019 29 91°F (Sep 14) 82°F 61°F
3 Sep 17, 2015 – Oct 3, 2015 17 89°F (Sep 20) 83°F 62°F
4 Jul 30, 1971 – Aug 13, 1971 15 90°F (Aug 10) 85°F 62°F
5 Sep 18, 2016 – Oct 1, 2016 14 105°F (Sep 26) 86°F 61°F
6 Aug 31, 2022 – Sep 13, 2022 14 101°F (Sep 4) 88°F 68°F
7 Aug 13, 2020 – Aug 26, 2020 14 92°F (Aug 19) 86°F 66°F
8 Jun 22, 1931 – Jul 5, 1931 14 91°F (Jun 25) 82°F 49°F
9 Aug 6, 1983 – Aug 18, 1983 13 97°F (Aug 7) 84°F 65°F
10 Sep 20, 1978 – Oct 1, 1978 12 103°F (Sep 24) 90°F 61°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

33
2026 so far
above-normal nights
38.4
Avg / summer
1970–2020
74
Most in a summer
1993

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

6.54"
2026 YTD
Normal: 10.70"
-4.16"
0.00"
July so far
July normal: 0.03"
-0.03"
0.02"
Summer so far
Summer normal: 0.08"
-0.06"
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")